2015 年全国硕士研究生入学统一考试试题

2015年全国硕士研究生入学统一考试计算机科学与技术学科联考计算机学科专业基础综合试题h一、单项选择题：第1〜40小题，每小题2分，共80分。

下列每题给出的四个选项中，只有一>选项最符甜题要求。

1.已知程序如下：int S(int n){ return (n<=0)?0:s(n-1)+n;}void main 0 { cout« S ⑴；}程序运行时使用栈来保存调用过程的信息，自找底到栈顶保存的信息依次对应的是 _____ 。

A.mainO—S(l)—S(0)B. S(0)—S(l)—main。

B.mainO—S(0)—S(l) D. S(l)—S(0)—main。

2.先序序列为Uwl的不同二叉树的个数是。

A.13B. 14C. 15D. 163.下列选项给出的是从根分别到达两个叶结点路径上的权值序列，能属于同一棵哈夫曼树的A.24,10,5和24,10,7B. 24,10,5和24,12,7C.24,10,10和24,14,11D. 24,10,5和24,14,64.现有一棵无重复关键字的平衡二叉树(AVL树)，对其进行中序遍历可得到一个降序序列。

下列关于该平衡二叉树的叙述中，正确的是 _____ 。

A.根结点的度一定为2B.树中最小元素一定是叶结点C.最后插入的元素一定是叶结点D.树中最大元素一定是无左子树5.设有向图 G=(V，E)，顶点集VyVftVbViVd，E={<V0,V I>,<V0,V2>><V0,V3>.灯^3>}。

若从顶点V0开始对图进行深度优先遍历，则可能得到的不同遍历序列个数是。

A. 2B. 3C. 4D. 56.求下面带权图的最小(代价)生成树时，可能是克鲁斯卡(Kruskal)算法第2次选中但不是普MM (Prim)算法(从V4开始)第2次选中的边是__________ 。

A.(V1(V3)B. (V1(V4)C. (V2，V3)D. (V3,V4)7._________________________________________________ 下列选项中，不能构成折半查找中关键字比较序列的是_________________________________________ 。

2015年考研英语一真题及答案详细解析2015年全国硕士研究生入学统一考试英语（一）试题及答案详细解析Section I Use of English :Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B,C or D on the ANSWER SHEET. (10 points)Though not biologically related, friends are as “related” as fourth cousins, sharing about 1% of genes. That is _(1)_a study, published from the University of California and Yale University in the Proceedings of the National Academy of Sciences, has__(2)_.The study is a genome-wide analysis conducted _(3)__1,932 unique subjects which __(4)__pairs of unrelated friends and unrelated strangers. The same people were used in both_(5)_.While 1% may seem_(6)_,it is not so to a geneticist. As James Fowler, professor of medical genetics at UC San Diego, says, “Most people do not even _(7)_their fourth cousins but somehow manage to select as friends the people who_(8)_our kin.”The study_(9)_found that the genes for smell were something shared in friends but not genes for immunity .Why this similarity exists in smell genes is difficult to explain, for now,_(10)_,as the team suggests, it draws us to similar environments but there is more_(11)_it. There could be many mechanisms working together that _(12)_us in choosing genetically similar frien ds_(13)_”functional Kinship” of being friends with_(14)_!One of the remarkable findings of the study was the similar genes seem to be evolution_(15)_than other genes Studying this could help_(16)_why human evolution picked pace in the last 30,000 years, with social environment being a major_(17)_factor.The findings do not simply explain people’s_(18)_to befriend those of similar_(19)_backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care was taken to_(20)_that all subjects, friends and strangers, were taken from the same population.1. [A] when [B] why [C] how [D] what2. [A] defended [B] concluded [C] withdrawn [D] advised3. [A] for [B] with [C] on [D] by4. [A] compared [B] sought [C] separated [D] connected5. [A] tests [B] objects [C]samples [D] examples6. [A] insignificant [B] unexpected [C]unbelievable [D] incredible7. [A] visit [B] miss [C] seek [D] know8. [A] resemble [B] influence [C] favor [D] surpass9. [A] again [B] also [C] instead [D] thus10. [A] Meanwhile [B] Furthermore [C] Likewise [D] Perhaps11. [A] about [B] to [C]from [D]like12. [A] drive [B] observe [C] confuse [D]limit13. [A] according to [B] rather than [C] regardless of [D] along with14. [A] chances [B]responses [C]missions [D]benefits15. [A] later [B]slower [C] faster [D] earlier16. [A]forecast [B]remember [C]understand [D]express17. [A] unpredictable [B]contributory [C] controllable [D] disruptive18. [A] endeavor [B]decision [C]arrangement [D] tendency19. [A] political [B] religious [C] ethnic [D] economic20. [A] see [B] show [C] prove [D] tellSection II Reading ComprehensionPart ADirections:Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET. (40 points)Text 1King Juan Carlos of Spain once insisted “kings don’t abdicate, they dare in their sleep.” But embarrassing scandals and the popularity of the republican left in the recent Euro-elections have forced him to eat his words and stand down. So, does the Spanish crisis suggest that monarchy is seeing its last days? Does that mean the writing is on the wall for all European royals, with their magnificent uniforms and majestic lifestyle?The Spanish case provides arguments both for and against monarchy. When public opinion is particularly polarised, as it was following the end of the Franco regime, monarchs can rise above “mere” politics and “embody” a spirit of national unity.It is this apparent transcendence of politics that explains monarchs’ continuing popularity polarized. And also, the Middle East excepted, Europe is the most monarch-infested region in the world, with 10 kingdoms (not counting Vatican City and Andorra). But unlike their absolutist counterparts in the Gulf and Asia, most royal families have survived because they allow voters to avoid the difficult search for a non-controversial but respected public figure.Even so, kings and queens undoubtedly have a downside. Symbolic of national unity as they claim to be, their very history—and sometimes the way they behave today –embodies outdated and indefensible privileges and inequalities. At a time when Thomas Piketty and other economists are warning of rising inequality and the increasing power of inherited wealth, it is bizarre that wealthy aristocratic families should still be the symbolic heart of modern democratic states.The most successful monarchies strive to abandon or hide their old aristocratic ways. Princes and princesses have day-jobs and ride bicycles, not horses (or helicopters). Even so, these are wealthy families who party with the international 1%, and media intrusiveness makes it increasingly difficult to maintain the right image.While Europe’s monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.It is only the Queen who has preserved the monarchy’s reputation with her ratherordinary (if well-heeled) granny style. The danger will come with Charles, who has both an expensive taste of lifestyle and a pretty hierarchical view of the world. He has failed to understand that monarchies have largely survived because they provide a service – as non-controversial and non-political heads of state. Charles ought to know that as English history shows, it is kings, not republicans, who are the monarchy’s worst enemies.21. According to the first two Paragraphs, King Juan Carlos of Spain[A] used turn enjoy high public support[B] was unpopular among European royals[C] cased his relationship with his rivals[D]ended his reign in embarrassment22. Monarchs are kept as heads of state in Europe mostly[A] owing to their undoubted and respectable status[B] to achieve a balance between tradition and reality[C] to give voter more public figures to look up to[D]due to their everlasting political embodiment23. Which of the following is shown to be odd, according to Paragraph 4?[A] Aristocrats’ excessive reliance on inherited wealth[B] The role of the nobility in modern democracies[C] The simple lifestyle of the aristocratic families[D]The nobility’s adherence to their privileges24. The British royals “have most to fear” because Charles[A] takes a rough line on political issues[B] fails to change his lifestyle as advised[C] takes republicans as his potential allies[D] fails to adapt himself to his future role25. Which of the following is the best title of the text?[A] Carlos, Glory and Disgrace Combined[B] Charles, Anxious to Succeed to the Throne[C] Carlos, a Lesson for All European Monarchs[D]Charles, Slow to React to the Coming ThreatsText 2Just how much does the Constitution protect your digital data? The Supreme Court will now consider whether police can search the contents of a mobile phone without a warrant if the phone is on or around a person during an arrest.California has asked the justices to refrain from a sweeping ruling particularly one that upsets the old assumption that authorities may search through the possessions of suspects at the time of their arrest. It is hard, the state argues, for judges to assess the implications of new and rapidly changing technologies.The co urt would be recklessly modest if it followed California’s advice. Enough of the implications are discernable, even obvious, so that the justices can and should provide updated guidelines to police, lawyers and defendants.They should start by discarding California’s lame argument that exploring the contentsof a smart phone — a vast storehouse of digital information — is similar to, say, rifling through a suspect’s purse. The court has ruled that police don’t violate the Fo urth Amendment when they sift through the wallet or pocketbook of an arrestee without a warrant. But exploring one’s smart phone is more like entering his or her home. A smart phone may contain an arrestee’s reading history, financial history, medical history and comprehensive records of recent correspondence. The development of “cloud computing,” meanwhile, has made that exploration so much the easier.Americans should take steps to protect their digital privacy. But keeping sensitive information on these devices is increasingly a requirement of normal life. Citizens still have a right to expect private documents to remain private and protected by the Constitution’s prohibition on unreasonable searches.As so often is the case, stating that principle do esn’t ease the challenge of line-drawing. In many cases, it would not be overly onerous for authorities to obtain a warrant to search through phone contents. They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending. The court, though, may want to allow room for police to cite situations where they are entitled to more freedom.But the justices sho uld not swallow California’s argument whole. New, disruptive technology sometimes demands novel applications of the Constitution’s protections. Orin Kerr, a law professor, compares the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th: The justices had to specify novel rules for the new personal domain of the passenger car then; they must sort out how the Fourth Amendment applies to digital information now.26. The Supreme Court will work out whether, during an arrest, it is legitimate to[A] prevent suspects from deleting their phone contents.[B] search for suspects’ mobile phones without a warrant.[C] check suspects’ phone contents without bei ng authorized.[D]prohibit suspects from using their mobile phones.27. The author’s attitude toward California’s argument is one of[A] disapproval.[B] indifference.[C] tolerance.[D]cautiousness.28. The author believes that exploring one’s phone contents is comparable to[A] getting into one’s residence.[B] handling one’s historical records.[C] scanning one’s correspondences.[D] going through one’s wallet.29. In Paragraph 5 and 6, the author shows his concern that[A] principles are hard to be clearly expressed.[B] the court is giving police less room for action.[C] citizens’ privacy is not effectively protected.[D] phones are used to store sensitive information.30. Orin Kerr’s comparison is quoted to indica te that[A] the Constitution should be implemented flexibly.[B] new technology requires reinterpretation of the Constitution.[C]California’s argument violates principles of the Constitution.[D]principles of the Constitution should never be alteredText 3The journal Science is adding an extra round of statistical checks to its peer-review process, editor-in-chief Marcia McNutt announced today. The policy follows similar efforts from other journals, after widespread concern that basic mistakes in data analysis are contributing to the irreproducibility of many published research findings.“Readers must have confidence in the conclusions published in our journal,” writes McNutt in an editorial. Working with the American Statistical Association, the journal has appointed seven experts to a statistics board of reviewing editors(SBoRE). Manuscript will be flagged up for additional scrutiny by the journal’s internal editors, or by its existing Board of Reviewing Editors or by outside peer reviewers. The SBoRE panel will then find external statisticians to review these manuscripts.Asked whether any particular papers had impelled the change, McNutt said: “The creation of the ‘statistics board’ was motivated by concerns broadly with the applicat ion of statistics and data analysis in scientific research and is part of Science’s overall drive to increase reproducibility in the research we publish.”Giovanni Parmigiani, a biostatistician at the Harvard School of Public Health, a member of the SBoR E group. He says he expects the board to “play primarily an advisory role.” He agreed to join because he “found the foresight behind the establishment of the SBoRE to be novel, unique and likely to have a lasting impact. This impact will not only be through the publications in Science itself, but hopefully through a larger group of publishing places that may want to model their approach after Science.”John Ioannidis, a physician who studies research methodology, says that the policy is “a most welcome st ep forward” and “long overdue.” “Most journals are weak in statistical review, and this damages the quality of what they publish. I think that, for the majority of scientific papers nowadays, statistical review is more essential than expert review,” he say s. But he noted that biomedical journals such as Annals of Internal Medicine, the Journal of the American Medical Association and The Lancet pay strong attention to statistical review.Professional scientists are expected to know how to analyze data, but statistical errors are alarmingly common in published research, according to David Vaux, a cell biologist. Researchers should improve their standards, he wrote in 2012, but journals should also take a tougher line, “engaging reviewers who are statisticall y literate and editors who can verify the process”. Vaux says that Science’s idea to pass some papers to statisticians “has some merit, but a weakness is that it relies on the board of reviewing editors to identify ‘the papers that need scrutiny’ in the first place”.31. It can be learned from Paragraph 1 that[A] Science intends to simplify their peer-review process.[B] journals are strengthening their statistical checks.[C] few journals are blamed for mistakes in data analysis.[D] lack of data analysis is common in research projects.32. The phrase “flagged up” (Para. 2) is the closest in meaning to[A] found.[B] marked.[C] revised.[D] stored.33. Giovanni Parmigiani believes that the establishment of the SBoRE may[A] pose a threat to all its peers.[B] meet with strong opposition.[C] increase Science’s circulation.[D]set an example for other journals.34. David Vaux holds that what Science is doing now[A] adds to researchers’ workload.[B] diminishes the role of reviewers.[C] has room for further improvement.[D]is to fail in the foreseeable future35. Which of the following is the best title of the text?[A] Science Joins Push to Screen Statistics in Papers.[B] Professional Statisticians Deserve More Respect[C] Data Analysis Finds Its Way onto Editors’ Desks[D] Statisticians Are Coming Back with ScienceText 4Two years ago, Rupert Murdoch’s daughter ,Elisabeth ,spoke of the “unsettling dearth of integrity across so many of our instituti ons” Integrity had collapsed, she argued, because of a collective acceptance that the only “sorting mechanism ”in society should be profit and the market .But “it’s us ,human beings ,we the people who create the society we want ,not profit ”.Driving her point home, she continued: “It’s increasingly apparent that the absence of purpose, of a moral language within government, media or business could become one of the most dangerous foals for capitalism and freedom.” This same absence of moral purpose was w ounding companies such as News International ,shield thought ,making it more likely that it would lose its way as it had with widespread illegal telephone hacking .As the hacking trial concludes –finding guilty ones-editor of the News of the World, Andy Coulson, for conspiring to hack phones ,and finding his predecessor, Rebekah Brooks, innocent of the same charge –the winder issue of dearth of integrity still standstill, Journalists are known to have hacked the phones of up to 5,500 people .This is hacking on an industrial scale ,as was acknowledged by Glenn Mulcaire, the man hired by the News of the World in 2001 to be the point person for phone hacking. Others await trial. This long story still unfolds.In many respects, the dearth of moral purpose frames not only the fact of such widespread phone hacking but the terms on which the trial took place .One of the astonishing revelations was how little Rebekah Brooks knew of what went on in her newsroom, wow little she thought to ask and the fact that she never inquired wow the stories arrived. The core of her successful defence was that she knew nothing.In today’s world, title has become normal that well—paid executives should not beaccountable for what happens in the organizations that they run perhaps we should not be so surprised. For a generation, the collective doctrine has been that the sorting mechanism of society should be profit. The words that have mattered are efficiency, flexibility, shareholder value, business–friendly, wealth generation, sales, impact and, in newspapers, circulation. Words degraded to the margin have been justice fairness, tolerance, proportionality and accountability.The purpose of editing the News of the World was not to promote reader understanding to be fair in what was written or to betray any common humanity. It was to ruin lives in the quest for circulation and impact. Ms Brooks may or may not have had suspicions about how her journalists got their stories, but she asked no questions, gave no instructions—nor received traceable, recorded answers.36. According to the first two paragraphs, Elisabeth was upset by[A] the consequences of the current sorting mechanism[B] companies’ financial loss due to immoral practices.[C] governmental ineffectiveness on moral issues.[D]the wide misuse of integrity among institutions.37. It can be inferred from Paragraph 3 that[A] Glem Mulcaire may deny phone hacking as a crime[B] more journalists may be found guilty of phone hacking.[C] Andy Coulson should be held innocent of the charge.[D] phone hacking will be accepted on certain occasions.38. The author believes the Rebekah Books’s deference[A] revealed a cunning personality[B] centered on trivial issues[C] was hardly convincing[D] was part of a conspiracy39. The author holds that the current collective doctrine shows[A] generally distorted values[B] unfair wealth distribution[C] a marginalized lifestyle[D] a rigid moral cote40. Which of the following is suggested in the last paragraph?[A] The quality of writing is of primary importance.[B] Common humanity is central news reporting.[C] Moral awareness matters in exciting a newspaper.[D] Journalists need stricter industrial regulations.Part BDirections:In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the fist A-G to fit into each of the numbered blanks. Mark your answers on ANSWER SHEET. (10 points)How does your reading proceed? Clearly you try to comprehend, in the sense of identifying meanings for individual words and working out relationships between them, drawingon your explicit knowledge of English grammar (41) ______you begin to infer a context for the text, for instance, by making decisions about what kind of speech event is involved: who is making the utterance, to whom, when and where.The ways of reading indicated here are without doubt kinds of of comprehension. But they show comprehension to consist not just passive assimilation but of active engagement inference and problem-solving. You infer information you feel the writer has invited you to grasp by presenting you with specific evidence and cues (42) _______Conceived in this way, comprehension will not follow exactly the same track for each reader. What is in question is not the retrieval of an absolute, fixed or “true” meaning that can be read off and clocked for accuracy, or some timeless relation of the text to the world. (43) _______ Such background material inevit ably reflects who we are, (44) _______This doesn’t, however, make interpretation merely relative or even pointless. Precisely because readers from different historical periods, places and social experiences produce different but overlapping readings of the same words on the page-including for texts that engage with fundamental human concerns-debates about texts can play an important role in social discussion of beliefs and values.How we read a given text also depends to some extent on our particular interest in reading it. (45)_______such dimensions of read suggest-as others introduced later in the book will also do-that we bring an implicit (often unacknowledged) agenda to any act of reading. It doesn’t then necessarily follow that one kind of reading is fuller, more advanced or more worthwhile than another. Ideally, different kinds of reading inform each other, and act as useful reference points for and counterbalances to one another. Together, they make up the reading component of your overall literacy or relationship to your surrounding textual environment.[A] Are we studying that text and trying to respond in a way that fulfils the requirement of a given course? Reading it simply for pleasure? Skimming it for information? Ways of reading on a train or in bed are likely to differ considerably from reading in a seminar room.[B] Factors such as the place and period in which we are reading, our gender ethnicity, age and social class will encourage us towards certain interpretation but at the same time obscure or even close off others.[C] If you are unfamiliar with words or idioms, you guess at their meaning, using clues presented in the contest. On the assumption that they will become relevant later, you make a mental note of discourse entities as well as possible links between them.[D]In effect, you try to reconstruct the likely meanings or effects that any given sentence, image or reference might have had: These might be the ones the author intended.[E]You make further inferences, for instance, about how the test may be significant to you, or about its validity—inferences that form the basis of a personal response for which the author will inevitably be far less responsible.[F]In plays，novels and narrative poems, characters speak as constructs created by the author, not necessarily as mouthpieces for the author’s own thoughts.[G]Rather, we ascribe meanings to test on the basis of interaction between what we might call textual and contextual material: between kinds of organization or patterning we perceive in a text’s formal structures (so especially its language structures) and various kinds of background, social knowledge, belief and attitude that we bring to the text.Section III TranslationDirections:Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on ANSWER SHEET. (10 points)Within the span of a hundred years, in the seventeenth and early eighteenth centuries, a tide of emigration—one of the great folk wanderings of history—swept from Europe to America.46) This movement, driven by powerful and diverse motivations, built a nation out of a wilderness and, by its nature, shaped the character and destiny of an uncharted continent.47) The United States is the product of two principal forces-the immigration of European peoples with their varied ideas, customs, and national characteristics and the impact of a new country which modified these traits. Of necessity, colonial America was a projection of Europe. Across the Atlantic came successive groups of Englishmen, Frenchmen, Germans, Scots, Irishmen, Dutchmen, Swedes, and many others who attempted to transplant their habits and traditions to the new world.48) But, the force of geographic conditions peculiar to America, the interplay of the varied national groups upon one another, and the sheer difficulty of maintaining old-world ways in a raw, new continent caused significant changes. These changes were gradual and at first scarcely visible. But the result was a new social pattern which, although it resembled European society in many ways, had a character that was distinctly American.49) The first shiploads of immigrants bound for the territory which is now the United States crossed the Atlantic more than a hundred years after the 15th- and 16th-century explorations of North America. In the meantime, thriving Spanish colonies had been established in Mexico, the West Indies, and South America. These travelers to North America came in small, unmercifully overcrowded craft. During their six- to twelve-week voyage, they subsisted on barely enough food allotted to them. Many of the ship were lost in storms, many passengers died of disease, and infants rarely survived the journey. Sometimes storms blew the vessels far off their course, and often calm brought unbearably long delay.“To the anxious travelers the sight of the American shore brought almost inexpressible relief.” said one recorder of events, “The air at twelve leagues’ distance smelt as s weet as a new-blown garden.” The colonists’ first glimpse of the new land was a sight of dense woods. 50) The virgin forest with its richness and variety of trees was a veritable real treasure-house which extended from Maine all the way down to Georgia. Here was abundant fuel and lumber. Here was the raw material of houses and furniture, ships and potash, dyes and naval stores.Section IV WritingPart A51. Directions:You are going to host a club reading session. Write an email of about 100 words recommending a book to the club members.You should state reasons for your recommendation.You should write neatly on the ANSWER SHEET.Do not sign your own name at the end of the letter. Use Li Ming instead.Do not write the address. (10 points)Part B52. Directions:Write an essay of 160-200 words based on the following drawing. In your essay you should1) describe the drawing briefly2) explain its intended meaning, and3) give your commentsYou should write neatly on ANSWER SHEET. (20 points)手机时代的聚会参考答案及详细解析I cloze1. [A] when [B] why [C] how [D] what【答案】[D] what【解析】该题考查的是语法知识。

2015年考研政治真题及答案2015年全国硕士研究生入学统一考试思想政治理论试题一、单项选择题：1～16小题，每小题1分，共16分。

下列每题给出的四个选项中，只有一个选项是符合题目要求的。

请在答题卡上将所选项的字母涂黑。

1.中国工程院院士袁隆平曾结合自己的科研经历，语重心长地对年轻人说：“书本知识非常重要，电脑技术也很重要，但是书本电脑里种不出水稻来，只有在田里才能种出水稻来。

”这表明（答案：B）A．实践水平的提高有赖于认识水平的提高B．实践是人类认识的基础和来源C．理论对实践的指导作用没有正确与错误之分D．由实践到认识的第一次飞跃比认识到实践的第二次飞跃更加重要2.社会存在决定社会意识，社会意识是社会存在的反映。

社会意识具有相对独立性，即它在反映社会存在的同时，还有自己特有的发展形式和规律。

社会意识相对独立性最突出的表现是（答案：D）A．社会意识内部各种形式之间的相互作用和影响B．社会意识与社会存在发展的不完全同步性C．社会意识各种形式各自具有其历史继承性D．社会意识对社会存在具有能动的反作用3.第二次世界大战以后，资本主义国家经历了第三次科技革命，机器大工业发展到自动化阶段。

只能化工厂创造出了较高的生产效率，显露出巨大的竞争力。

企业在“机器换人”中取得了一定的经济效益。

这意味着率先使用机器人的个别企业（答案：B）A．剩余价值来源的改变B．资本技术构成的提高C．所生产商品价值提高D.获得更多的社会平均利润4.马克思主义政党是科学社会主义与工人运动相结合的产物，是工人阶级的先锋队，这表明（答案：A）A．马克思主义政党以工人阶级为基础B.马克思主义政党即工人阶级本身C．马克思主义政党的阶级性是其先进性的根本前提D．马克思主义政党的先进性决定了工人阶级的先进性5.新中国的工业化是在苏联的影响下起步的。

走中国工业化道路，是中国共产党初步探索我国社会主义建设道路的一个重要思想。

当时所讲的工业化道路问题，主要是指（答案：D）A．经济建设和国防建设的关系问题B．中央和地方的关系问题C．沿海工业和内地工业的关系问题D．重工业、轻工业和农业的发展关系问题6．党的十三大召开前夕，邓小平强调指出：“社会主义本身是共产主义的初阶段，而我们中国又处在社会主义的初级阶段，就是不发达的阶段。

2015年全国硕士研究生入学统一考试数学二试题及答案解析一、选择题：（1~8小题,每小题4分，共32分。

下列每题给出的四个选项中，只有一个选项是符合题目要求的。

）(1)下列反常积分中收敛的是(A) (B)(C) (D)【答案】D。

【解析】题干中给出4个反常积分，分别判断敛散性即可得到正确答案。

；；；，因此(D)是收敛的。

综上所述，本题正确答案是D。

【考点】高等数学—一元函数积分学—反常积分(2)函数在(-∞,+∞)内(A) (B)有可去间断点(C)有跳跃间断点 (D)有无穷间断点【答案】B【解析】这是“”型极限，直接有,在处无定义，且所以是的可去间断点，选B。

综上所述，本题正确答案是B。

【考点】高等数学—函数、极限、连续—两个重要极限(3)设函数().若(A) (B)(C) (D)【答案】A【解析】易求出再有于是，存在此时.当，，=因此，在连续。

选A综上所述，本题正确答案是C。

【考点】高等数学—函数、极限、连续—函数连续的概念，函数的左极限和右极限(4)设函数在(-∞,+∞)内连续，其二阶导函数的图形如右图所示，则曲线的拐点个数为 A O B(A) (B)(C) (D)【答案】C【解析】在(-∞,+∞)内连续，除点外处处二阶可导。

的可疑拐点是的点及不存在的点。

的零点有两个，如上图所示，A点两侧恒正，对应的点不是拐点，B点两侧，对应的点就是的拐点。

虽然不存在，但点两侧异号，因而() 是的拐点。

综上所述，本题正确答案是C。

【考点】高等数学—函数、极限、连续—函数单调性，曲线的凹凸性和拐点(5)设函数满足则与依次是(A)(B)(C)(D)【答案】D【解析】先求出令于是因此综上所述，本题正确答案是D。

【考点】高等数学-多元函数微分学-多元函数的偏导数和全微分(6)设D是第一象限中由曲线与直线围成的平面区域，函数在D上连续，则(A)(B)(C)(D)【答案】B【解析】D是第一象限中由曲线与直线围成的平面区域，作极坐标变换，将化为累次积分。

2015年硕士研究生入学考试试题（教育学311）一、单项选择题：1-45小题，每小题2分，共90分。

下列每题给出的四个选项中，只有一个选项符合试题要求。

I •夸美纽斯《大教学论》理论论证采用的主要方法是（）。

A •自然类比B •哲学思辨C.经验描述D •科学实验【解析】B。

近代科学产生以后，教育研究进入分析为主的方法论时期。

从夸美纽斯的《大教学论》到新进步主义教育运动的兴起。

这一时期的教育研究方法是同认识论糅合在一起的，采用归纳法和演绎法，重思辨轻实践经验。

自然类比和经验描述属于直觉观察时期，科学实验属于形成独立学科时期。

9•麦克菲尔的体谅模式中所使用的人际或社会问题情境教材是（）。

A .《学会关心》B .《生命线》C.《中学道德教育》D.《社会与道德教育》【解析】B。

麦克菲尔等人编制了一套独具特色的人际一社会情境问题教材一一《生命线丛书》。

这套教材是实施体谅模式的支柱，由三部分组成，循序渐进地向学生呈现越来越复杂的人际与社会情境。

第一部分：《设身处地》；第二部分：《证明规则》；第三部分：《你会怎么办？》。

10•教师在长期压力的体验下，会出现情感、态度和行为的衰竭状态，消极应对工作。

这种问题属于（）。

A •职业倦怠B •职业迷茫C 职业逃避D・职业道德失范【解析】A。

教师的职业倦怠定义为由于教师长期工作在压力的情境下，工作中持续的疲劳及在与他人相处中各种矛盾，冲突而引起的挫折感加剧，最终导致一种在情绪、认知、行为等方面表现出精疲力竭、麻木不仁的高度精神疲劳和紧张状态，是属于一种非正常的行为和心理。

II •《国家中长期教育改革和发展规划纲要（2010-2020）»指出，在普通高中深入推出课程改革，积极开展研究性学习、社区服务和社会实践，建立科学的教育质量评价体系，建立学生发展指导制度。

采取这些措施的主要目的是（）。

A .普通高中教育多样化B .普通高中教育特色化C・全面普及普通高中教育 D •全面提高普通高中学生综合素质【解析】D。

2015年考研英语一真题及答案详细解析2015年全国硕士研究生入学统一考试英语（一）试题及答案详细解析Section I Use of English :Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B,C or D on the ANSWER SHEET. (10 points)Though not biologically related, friends are as “related” as fourth cousins, sharing about 1% of genes. That is _(1)_a study, published from the University of California and Yale University in the Proceedings of the National Academy of Sciences, has__(2)_.The study is a genome-wide analysis conducted _(3)__1,932 unique subjects which __(4)__pairs of unrelated friends and unrelated strangers. The same people were used in both_(5)_.While 1% may seem_(6)_,it is not so to a geneticist. As James Fowler, professor of medical genetics at UC San Diego, says, “Most people do not even _(7)_their fourth cousins but somehow manage to select as friends the people who_(8)_our kin.”The study_(9)_found that the genes for smell were something shared in friends but not genes for immunity .Why this similarity exists in smell genes is difficult to explain, for now,_(10)_,as the team suggests, it draws us to similar environments but there is more_(11)_it. There could be many mechanisms working together that _(12)_us in choosing genetically similar friends_(13)_”functional Kinship” of being friends with_(14)_!One of the remarkable findings of the study was the similar genes seem to be evolution_(15)_than other genes Studying this could help_(16)_why human evolution picked pace in the last 30,000 years, with social environment being a major_(17)_factor.The findings do not simply explain people’s_(18)_to befriend those of similar_(19)_backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care was taken to_(20)_that all subjects, friends and strangers, were taken from the same population.1. [A] when [B] why [C] how [D] what2. [A] defended [B] concluded [C] withdrawn [D] advised3. [A] for [B] with [C] on [D] by4. [A] compared [B] sought [C] separated [D] connected5. [A] tests [B] objects [C]samples [D] examples6. [A] insignificant [B] unexpected [C]unbelievable [D] incredible7. [A] visit [B] miss [C] seek [D] know8. [A] resemble [B] influence [C] favor [D] surpass9. [A] again [B] also [C] instead [D] thus10. [A] Meanwhile [B] Furthermore [C] Likewise [D] Perhaps11. [A] about [B] to [C]from [D]like12. [A] drive [B] observe [C] confuse [D]limit13. [A] according to [B] rather than [C] regardless of [D] along with14. [A] chances [B]responses [C]missions [D]benefits15. [A] later [B]slower [C] faster [D] earlier16. [A]forecast [B]remember [C]understand [D]express17. [A] unpredictable [B]contributory [C] controllable [D] disruptive18. [A] endeavor [B]decision [C]arrangement [D] tendency19. [A] political [B] religious [C] ethnic [D] economic20. [A] see [B] show [C] prove [D] tellSection II Reading ComprehensionPart ADirections:Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET. (40 points)Text 1King Juan Carlos of Spain once insisted “kings don’t abdicate, they dare in their sleep.” But embarrassing scandals and the popularity of the republican left in the recent Euro-elections have forced him to eat his words and stand down. So, does the Spanish crisis suggest that monarchy is seeing its last days? Does that mean the writing is on the wall for all European royals, with their magnificent uniforms and majestic lifestyle?The Spanish case provides arguments both for and against monarchy. When public opinion is particularly polarised, as it was following the end of the Franco regime, monarchs can rise above “mere” politics and “embody” a spirit of national unity.It is this apparent transcendence of politics that explains monarchs’ continuing popularity polarized. And also, the Middle East excepted, Europe is the most monarch-infested region in the world, with 10 kingdoms (not counting Vatican City and Andorra). But unlike their absolutist counterparts in the Gulf and Asia, most royal families have survived because they allow voters to avoid the difficult search for a non-controversial but respected public figure.Even so, kings and queens undoubtedly have a downside. Symbolic of national unity as they claim to be, their very history—and sometimes the way they behave today –embodies outdated and indefensible privileges and inequalities. At a time when Thomas Piketty and other economists are warning of rising inequality and the increasing power of inherited wealth, it is bizarre that wealthy aristocratic families should still be the symbolic heart of modern democratic states.The most successful monarchies strive to abandon or hide their old aristocratic ways. Princes and princesses have day-jobs and ride bicycles, not horses (or helicopters). Even so, these are wealthy families who party with the international 1%, and media intrusiveness makes it increasingly difficult to maintain the right image.While Europe’s monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.It is only th e Queen who has preserved the monarchy’s reputation with her ratherordinary (if well-heeled) granny style. The danger will come with Charles, who has both an expensive taste of lifestyle and a pretty hierarchical view of the world. He has failed to understand that monarchies have largely survived because they provide a service – as non-controversial and non-political heads of state. Charles ought to know that as English history shows, it is kings, not republicans, who are the monarchy’s worst enemies.21. According to the first two Paragraphs, King Juan Carlos of Spain[A] used turn enjoy high public support[B] was unpopular among European royals[C] cased his relationship with his rivals[D]ended his reign in embarrassment22. Monarchs are kept as heads of state in Europe mostly[A] owing to their undoubted and respectable status[B] to achieve a balance between tradition and reality[C] to give voter more public figures to look up to[D]due to their everlasting political embodiment23. Which of the following is shown to be odd, according to Paragraph 4?[A] Aristocrats’ excessive reliance on inherited wealth[B] The role of the nobility in modern democracies[C] The simple lifestyle of the aristocratic families[D]The nobility’s adherence to their privileges24. The British royals “have most to fear” because Charles[A] takes a rough line on political issues[B] fails to change his lifestyle as advised[C] takes republicans as his potential allies[D] fails to adapt himself to his future role25. Which of the following is the best title of the text?[A] Carlos, Glory and Disgrace Combined[B] Charles, Anxious to Succeed to the Throne[C] Carlos, a Lesson for All European Monarchs[D]Charles, Slow to React to the Coming ThreatsText 2Just how much does the Constitution protect your digital data? The Supreme Court will now consider whether police can search the contents of a mobile phone without a warrant if the phone is on or around a person during an arrest.California has asked the justices to refrain from a sweeping ruling particularly one that upsets the old assumption that authorities may search through the possessions of suspects at the time of their arrest. It is hard, the state argues, for judges to assess the implications of new and rapidly changing technologies.The court would be recklessly modest if it followed California’s advice. Enough of the implications are discernable, even obvious, so that the justices can and should provide updated guidelines to police, lawyers and defendants.They should start by discarding California’s lame argument that exploring the contentsof a smart phone — a vast storehouse of digital information — is similar to, say, rifling through a suspect’s purse. The court has ruled that police don’t violate the Fourth Amendment when they sift through the wallet or pocketbook of an arrestee without a warrant. But exploring one’s smart phone is more like entering his or her home. A smart phone may contain an arrestee’s r eading history, financial history, medical history and comprehensive records of recent correspondence. The development of “cloud computing,” meanwhile, has made that exploration so much the easier.Americans should take steps to protect their digital privacy. But keeping sensitive information on these devices is increasingly a requirement of normal life. Citizens still have a right to expect private documents to remain private and protected by the Constitution’s prohibition on unreasonable searches.As so often is the case, stating that principle doesn’t ease the challenge of line-drawing. In many cases, it would not be overly onerous for authorities to obtain a warrant to search through phone contents. They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending. The court, though, may want to allow room for police to cite situations where they are entitled to more freedom.But the justices should not swallow California’s argument whole. New, disruptive technology sometimes demands novel applications of the Constitution’s protections. Orin Kerr, a law professor, compares the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th: The justices had to specify novel rules for the new personal domain of the passenger car then; they must sort out how the Fourth Amendment applies to digital information now.26. The Supreme Court will work out whether, during an arrest, it is legitimate to[A] prevent suspects from deleting their phone contents.[B] search for suspects’ mobile phones without a warrant.[C] check suspects’ phone contents without being authorized.[D]prohibit suspects from using their mobile phones.27. The author’s attitude toward California’s argument is one of[A] disapproval.[B] indifference.[C] tolerance.[D]cautiousness.28. The author believes that exploring one’s phone contents is comparable to[A] getting into one’s residence.[B] handling one’s historical records.[C] scanning one’s correspondences.[D] going through one’s wallet.29. In Paragraph 5 and 6, the author shows his concern that[A] principles are hard to be clearly expressed.[B] the court is giving police less room for action.[C] citizens’ privacy is not effectively protected.[D] phones are used to store sensitive information.30. Orin Kerr’s comparison is quoted to indicate that[A] the Constitution should be implemented flexibly.[B] new technology requires reinterpretation of the Constitution.[C]California’s argument violates principles of the Constitution.[D]principles of the Constitution should never be alteredText 3The journal Science is adding an extra round of statistical checks to its peer-review process, editor-in-chief Marcia McNutt announced today. The policy follows similar efforts from other journals, after widespread concern that basic mistakes in data analysis are contributing to the irreproducibility of many published research findings.“Readers must have confidence in the conclusions published in our journal,” writes McNutt in an editorial. Working with the American Statistical Association, the journal has appointed seven experts to a statistics board of reviewing editors(SBoRE). Manuscript will be flagged up for additional scrutiny by the journal’s internal editors, or by its existing Board of Reviewing Editors or by outside peer reviewers. The SBoRE panel will then find external statisticians to review these manuscripts.Asked whether any particular papers had impelled the change, McNutt said: “The creation of the ‘statistics board’ was motivated by concerns broadly with the application of statistics and data analysis in scientific research and is part of Science’s overall drive to increase reproducibility in the research we publish.”Giovanni Parmigiani, a biostatistician at the Harvard School of Public Health, a member of the SBoRE group. He says he expects the board to “play primarily an advisory role.” He agreed to join because he “found the foresight behind the establishment of the SBoRE to be novel, unique and likely to have a lasting impact. This impact will not only be through the publications in Science itself, but hopefully through a larger group of publishing places that may want to model their approach after Science.”John Ioannidis, a physician who studies research methodology, says that the policy is “a most welcome step forward” and “long overdue.” “Most journals are weak in statistical review, and this damages the quality of what they publish. I think that, for the majority of scientific papers nowadays, statistical review is more essential than expert review,” he says. But he noted that biomedical journals such as Annals of Internal Medicine, the Journal of the American Medical Association and The Lancet pay strong attention to statistical review.Professional scientists are expected to know how to analyze data, but statistical errors are alarmingly common in published research, according to David Vaux, a cell biologist. Researchers should improve their standards, he wrote in 2012, but journals should also take a tougher line, “e ngaging reviewers who are statistically literate and editors who can verify the process”. Vaux says that Science’s idea to pass some papers to statisticians “has some merit, but a weakness is that it relies on the board of reviewing editors to identify ‘th e papers that need scrutiny’ in the first place”.31. It can be learned from Paragraph 1 that[A] Science intends to simplify their peer-review process.[B] journals are strengthening their statistical checks.[C] few journals are blamed for mistakes in data analysis.[D] lack of data analysis is common in research projects.32. The phrase “flagged up” (Para. 2) is the closest in meaning to[A] found.[B] marked.[C] revised.[D] stored.33. Giovanni Parmigiani believes that the establishment of the SBoRE may[A] pose a threat to all its peers.[B] meet with strong opposition.[C] increase Science’s circulation.[D]set an example for other journals.34. David Vaux holds that what Science is doing now[A] adds to resear chers’ workload.[B] diminishes the role of reviewers.[C] has room for further improvement.[D]is to fail in the foreseeable future35. Which of the following is the best title of the text?[A] Science Joins Push to Screen Statistics in Papers.[B] Professional Statisticians Deserve More Respect[C] Data Analysis Finds Its Way onto Editors’ Desks[D] Statisticians Are Coming Back with ScienceText 4Two years ago, Rupert Murdoch’s daughter ,Elisabeth ,spoke of the “unsettling dearth of integrity across so many of our institutions” Integrity had collapsed, she argued, because of a collective acceptance that the only “sorting mechanism ”in society should be profit and the market .But “it’s us ,human beings ,we the people who create the society we want ,not profit ”.Driving her point home, she continued: “It’s increasingly apparent that the absence of purpose, of a moral language within government, media or business could become one of the most dangerous foals for capitalism and freedom.” This same absence of moral purpose was wounding companies such as News International ,shield thought ,making it more likely that it would lose its way as it had with widespread illegal telephone hacking .As the hacking trial concludes –finding guilty ones-editor of the News of the World, Andy Coulson, for conspiring to hack phones ,and finding his predecessor, Rebekah Brooks, innocent of the same charge –the winder issue of dearth of integrity still standstill, Journalists are known to have hacked the phones of up to 5,500 people .This is hacking on an industrial scale ,as was acknowledged by Glenn Mulcaire, the man hired by the News of the World in 2001 to be the point person for phone hacking. Others await trial. This long story still unfolds.In many respects, the dearth of moral purpose frames not only the fact of such widespread phone hacking but the terms on which the trial took place .One of the astonishing revelations was how little Rebekah Brooks knew of what went on in her newsroom, wow little she thought to ask and the fact that she never inquired wow the stories arrived. The core of her successful defence was that she knew nothing.In today’s world, title has become normal that well—paid executives should not beaccountable for what happens in the organizations that they run perhaps we should not be so surprised. For a generation, the collective doctrine has been that the sorting mechanism of society should be profit. The words that have mattered are efficiency, flexibility, shareholder value, business–friendly, wealth generation, sales, impact and, in newspapers, circulation. Words degraded to the margin have been justice fairness, tolerance, proportionality and accountability.The purpose of editing the News of the World was not to promote reader understanding to be fair in what was written or to betray any common humanity. It was to ruin lives in the quest for circulation and impact. Ms Brooks may or may not have had suspicions about how her journalists got their stories, but she asked no questions, gave no instructions—nor received traceable, recorded answers.36. According to the first two paragraphs, Elisabeth was upset by[A] the consequences of the current sorting mechanism[B] companies’ financial loss due to immoral practices.[C] governmental ineffectiveness on moral issues.[D]the wide misuse of integrity among institutions.37. It can be inferred from Paragraph 3 that[A] Glem Mulcaire may deny phone hacking as a crime[B] more journalists may be found guilty of phone hacking.[C] Andy Coulson should be held innocent of the charge.[D] phone hacking will be accepted on certain occasions.38. The author believes the Rebekah Books’s deference[A] revealed a cunning personality[B] centered on trivial issues[C] was hardly convincing[D] was part of a conspiracy39. The author holds that the current collective doctrine shows[A] generally distorted values[B] unfair wealth distribution[C] a marginalized lifestyle[D] a rigid moral cote40. Which of the following is suggested in the last paragraph?[A] The quality of writing is of primary importance.[B] Common humanity is central news reporting.[C] Moral awareness matters in exciting a newspaper.[D] Journalists need stricter industrial regulations.Part BDirections:In the following text, some sentences have been removed. For Questions 41-45, choose the most suitable one from the fist A-G to fit into each of the numbered blanks. Mark your answers on ANSWER SHEET. (10 points)How does your reading proceed? Clearly you try to comprehend, in the sense of identifying meanings for individual words and working out relationships between them, drawingon your explicit knowledge of English grammar (41) ______you begin to infer a context for the text, for instance, by making decisions about what kind of speech event is involved: who is making the utterance, to whom, when and where.The ways of reading indicated here are without doubt kinds of of comprehension. But they show comprehension to consist not just passive assimilation but of active engagement inference and problem-solving. You infer information you feel the writer has invited you to grasp by presenting you with specific evidence and cues (42) _______Conceived in this way, comprehension will not follow exactly the same track for each reader. What is in question is not the retrieval of an absolute, fixed or “true” meaning that can be read off and clocked for accuracy, or some timeless relation of the text to the world. (43) _______ Such background material inevitably reflects who we are, (44) _______This doesn’t, however, make interpretation merely relative or even pointless. Precisely because readers from different historical periods, places and social experiences produce different but overlapping readings of the same words on the page-including for texts that engage with fundamental human concerns-debates about texts can play an important role in social discussion of beliefs and values.How we read a given text also depends to some extent on our particular interest in reading it. (45)_______such dimensions of read suggest-as others introduced later in the book will also do-that we bring an implicit (often unacknowledged) agenda to any act of reading. It doesn’t then necessarily follow that one kind of reading is fuller, more advanced or more worthwhile than another. Ideally, different kinds of reading inform each other, and act as useful reference points for and counterbalances to one another. Together, they make up the reading component of your overall literacy or relationship to your surrounding textual environment.[A] Are we studying that text and trying to respond in a way that fulfils the requirement of a given course? Reading it simply for pleasure? Skimming it for information? Ways of reading on a train or in bed are likely to differ considerably from reading in a seminar room.[B] Factors such as the place and period in which we are reading, our gender ethnicity, age and social class will encourage us towards certain interpretation but at the same time obscure or even close off others.[C] If you are unfamiliar with words or idioms, you guess at their meaning, using clues presented in the contest. On the assumption that they will become relevant later, you make a mental note of discourse entities as well as possible links between them.[D]In effect, you try to reconstruct the likely meanings or effects that any given sentence, image or reference might have had: These might be the ones the author intended.[E]You make further inferences, for instance, about how the test may be significant to you, or about its validity—inferences that form the basis of a personal response for which the author will inevitably be far less responsible.[F]In plays，novels and narrative poems, characters speak as constructs created by the author, not necessarily as mouthpieces for the author’s own thoughts.[G]Rather, we ascribe meanings to test on the basis of interaction between what we might call textual and contextual material: between kinds of organization or patterning we perceive in a text’s formal structures (so especially its language structures) and various kinds of background, social knowledge, belief and attitude that we bring to the text.Section III TranslationDirections:Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on ANSWER SHEET. (10 points)Within the span of a hundred years, in the seventeenth and early eighteenth centuries, a tide of emigration—one of the great folk wanderings of history—swept from Europe to America.46) This movement, driven by powerful and diverse motivations, built a nation out of a wilderness and, by its nature, shaped the character and destiny of an uncharted continent.47) The United States is the product of two principal forces-the immigration of European peoples with their varied ideas, customs, and national characteristics and the impact of a new country which modified these traits. Of necessity, colonial America was a projection of Europe. Across the Atlantic came successive groups of Englishmen, Frenchmen, Germans, Scots, Irishmen, Dutchmen, Swedes, and many others who attempted to transplant their habits and traditions to the new world.48) But, the force of geographic conditions peculiar to America, the interplay of the varied national groups upon one another, and the sheer difficulty of maintaining old-world ways in a raw, new continent caused significant changes. These changes were gradual and at first scarcely visible. But the result was a new social pattern which, although it resembled European society in many ways, had a character that was distinctly American.49) The first shiploads of immigrants bound for the territory which is now the United States crossed the Atlantic more than a hundred years after the 15th- and 16th-century explorations of North America. In the meantime, thriving Spanish colonies had been established in Mexico, the West Indies, and South America. These travelers to North America came in small, unmercifully overcrowded craft. During their six- to twelve-week voyage, they subsisted on barely enough food allotted to them. Many of the ship were lost in storms, many passengers died of disease, and infants rarely survived the journey. Sometimes storms blew the vessels far off their course, and often calm brought unbearably long delay.“To the anxious travelers the sight of the American shore brought almost inexpressible relief.” said one recorder of events, “The air at twelve leagues’ distance smelt as sweet as a new-blown garden.” The colonists’ first glimpse of the new land was a sight of dense woods. 50) The virgin forest with its richness and variety of trees was a veritable real treasure-house which extended from Maine all the way down to Georgia. Here was abundant fuel and lumber. Here was the raw material of houses and furniture, ships and potash, dyes and naval stores.Section IV WritingPart A51. Directions:You are going to host a club reading session. Write an email of about 100 words recommending a book to the club members.You should state reasons for your recommendation.You should write neatly on the ANSWER SHEET.Do not sign your own name at the end of the letter. Use Li Ming instead.Do not write the address. (10 points)Part B52. Directions:Write an essay of 160-200 words based on the following drawing. In your essay you should1) describe the drawing briefly2) explain its intended meaning, and3) give your commentsYou should write neatly on ANSWER SHEET. (20 points)手机时代的聚会参考答案及详细解析I cloze1. [A] when [B] why [C] how [D] what【答案】[D] what【解析】该题考查的是语法知识。

一、问题求解（本大题15小题，每小题3分，共45分）下列每题给出的五个选项中，只有一项是符合试题要求的，请在答题卡上将所选项的字母涂黑。

1.某精密仪表商降价5%售出了一台仪器，获利5250元，而以七五折售出，商家将亏损1750元，则此商品的成本是（）万元A 2.8 B2.6 C2.4 D2.2 E.22.已知一个班级的考试成绩为：男生平均成绩为90分，女生平均成绩为81分，全班平均成绩为84分，如果a为男生人数，b为女生人数，则下述一定正确的是（）A a＞bB a＝bC a＜bD a≤bE a≥b3 一项工程，甲单独做比甲、乙两人合作多用4天，乙单独做比甲、乙两个合作多用9天，则乙单独做需（）天。

A.12B.15C.18D.20E.224一列匀速行驶的列车，通过450米长的铁桥，从车头上桥到车尾下桥共用33秒：同一列车穿过760米长的隧道，整个车身在隧道内的时间是22秒，则该列车的长度是（）A.320米B.480米C.240米D.266米E.276米5.有X名同学参加了单循环制的围棋比赛，其中有两人各比赛了3场后退出了比赛，且这两名同学间未进行比赛，这样该项比赛共进行了84场，则X值为（）A.30B.25C.20D.15E.186.某宾馆一楼客房比二楼少5间，某旅游团有48人，若全安排在一楼，每间4人，房间不够：每间5人，有房间没有住满，又若安排住二楼，每间3人，房间不够，每间4人，又有房间没有住满，则该宾馆一楼有客房（）间A.7B.8C.9D.10E.117.汽车从甲地开往乙地，若汽车等速行驶2小时后减速20%，则到乙地后会延误1小时：若汽车等速行驶到最后100公里，才减速20%，到乙地只延误20分钟，那么，甲、乙两地距离的公里数是（）A.380B.410C.450D.460E.4708.相同的5个白球和相同的10个黑球排成一行，要求每个白球的左邻必须是黑球，则共有（A）种不同的排法。

9.A.252B.469C.320D.3270E.649010.在某校举办的足球比赛中规定：胜一场得3分：平一场得1分：负一场得0分，某班足球队参加了12场比赛，共得22分，已知这个队只输了2场，则此队胜了（）场A.8B.7C.6D.5E.411.甲花费5万元购买了股票，随后他将这些股票转卖给乙获利10%，不久乙又将这些股票返卖给甲，但乙损失了10%，最后甲按乙卖给他的价格为9折把这些股票卖掉了，不计交易费，甲在上述股票交易中（）A.不盈不亏B.盈利100元C.盈利50元D.亏损100元E.亏损50元11.在1，2，3，4，5，这个五个数字组成的没有重复数字的三位数中，各位数字之和为奇数的共有（）A.24个B.16个C.28个D.14个E.30个12.某城市按以下规定收取每月煤气费，用煤气如果不超过60立方米，按每立方米0.80元收费：如果超过60立方米。

2015 年全国硕士研究生入一试题Section I Use of EnglishDirections:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)We have more genes in common with people we pick to be our friends than with strangers.Though not biologically related, friends are as "related" as fourth cousins, sharing about 1% of genes. That is 1 a from the University of California and Yale University in theProceedings of the National Academy of Sciences, has 2 .The study is a genome-wide analysis conducted 3 1932 unique subjects which 4 pairs of unrelated friends and unrelated strangers. The same people were used in both 5.While 1% may seem 6 , it is not so to a geneticist. As co-author of the study James Fowler, professor of medical genetics at UC San Diego says, "Most people do not even 7their fourth cousins but somehow manage to select as friends the people who 8 our kin."The team 9 developed a "friendship score" which can predict who will be your friend based on their genes.The study also found that the genes for smell were something shared in friends but not genes for immunity. Why this similarity in olfactory genes is difficult to explain, for now. 10, as the team suggests, it draws us11similar environments but there is more to it. There could be many mechanisms working in tandem that 12us in choosing genetically similar friends 13 "functional kinship" of being friends with 14 !One of the remarkable findings of the study was that the similar genes seem to be evolving 15 than other genes. Studying this could help 16 why human evolution picked pace in the last 30,000 years, with social environment being a major 17 factor.The findings do not simply corroborate people's 18to befriend those ofsimilar et 19 backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care was taken to 20that all subjects, friends and strangers were taken from the same population. The team also controlled the data to check ancestry of subjects.1.[A] what [B] why [C] how [D] when2.[A] defended [B] concluded [C] withdrawn[D] advised3.[A] for [B] with [C] by [D] on4.[A] separated [B] sought [C] compared [D] connected5.[A] tests [B] objects [C] samples [D] examples6.[A] insignificant [B] unexpected [C] unreliable [D] incredi ble7.[A] visit[B] miss[C] know [D] seek8.[A] surpass [B] influence [C] favor [D] resemble9.[A] again [B] also[C] instead [D] thus10.[A] Meanwhile [B] Furthermore [C] Likewise[D] Perhaps 11.[A] about [B] to [C] from [D] like12.[A] limit [B] observe [C] confuse [D] drive13.[A]according to [B] ratherthan [C] regardlessof [D]alongwith 14.[A] chances [B] responses [C] benefits [D] missions15.[A] faster [B] slower [C] later [D] earlier16.[A] forecast [B] remember [C] express [D] understand17.[A] unpredictable [B] contributory [C] controllable [D] disruptive18.[A] tendency [B] decision [C] arrangement [D] endeavor19.[A] political [B] religious [C] ethnic [D] economic20.[A] see [B] show[C] prove [D] tellSection ⅡReading ComprehensionPart A Directions:Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. (40 points)Text1King JuanCarlos of Spain once insited”kings don’t abdicate, they diein their sleep.” But embarrassing scandals and the popularity of the republican left in the recenet Euro-elections have forced him to eat his words and stand down. So does the Spanish crisis suggestthat monarchy is seeing its last days? Does that mean the writing is on the wall for all European royals, withtheir magnificent uniforms andmajestic lifestyles?The Spanish case provides arguments both for and against monarchy. When public opinion is particularly polarized, as it was following the end of the Franco regime, monarchs can rise above”mere”politics and “embody” a spirit of national unity.Itis this apparenttranscendence of politics that explains monarchs continuing popularity as heads of state. And so, the Middle East excepted, Europe is the mostmonarch- infested region in the world, with 10 kingdoms (not counting Vatican City and Andorra).But unlike their absolutist counterpartsin the Gulf and Asia, most royal families have survived because they allow voters to avoid the difficult searchfor a non-controversial but respected public figure.Even so, kings and queens undoubtedly have a downside. Symbolic of national unity as they claim to be, their very history-and sometimes the way they behave today-embodies outdated and indefensible privileges and inequalities. At a time when Thomas Piketty and other economists are warming of rising inequality and the increasing power of inherited wealth, it is bizarre that wealthy aristocratic families should still be the symbolic heart of modern democratic states.The most successful monarchies strive to abandon or hide their old aristocratic ways. Princes and princesses have day-jobs and ride bicycles, not horses(or helicopters). Even so, these are wealthy families who party with the international 1%, and media intrusiveness makes it increasingly difficult to maintain the right image.While Europe’s monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.It is only the Queen who has preserved the monarchy’s reputation withher rather ordinary (if well-heeled) granny style.The danger will come with Charles. Who has both an expensive taste of lifestyle and a pretty hierarchical view of theworld. He has failed to understand that monarchieshave largely survived because they provide a service- as non-controversial and non-political heads of state. Charles ought to know that as English history shows, it is kings, not republicans, who are the monarchy’s worst enemies.21.According to the first two paragraphs, King Juan Carlos of Spain[A] used to enjoy high public support[B] was unpopular among European royals [C] eased his relationship with his rivals[D] ended his reign in embarrassment22.Monarchs are kept as heads of state in Europe mostly[A] owing to their undoubted and respectable status [B] to achieve a balance between tradition and reality [C] to give voters more public figures to look up to [D] due to their everlasting political embodiment23.Which of the following is shown to be odd, according to Paragraph 4?[A] Aristocrats’ excessive reliance on inherited wealth [B] The role of the nobility in modern democracies[C] The simple lifestyle of the aristocratic families [D] The nobility’s adherence to their privileges24.The British royals ”have most of fear” because Charles[A] takes a tough line on political issues [B] fails to change his lifestyle as advised [C] takes republicans as his potential allies [D] fails to adapt himself to his future role25.Which of the following is the best title of the text?[A] Carlos, Glory and Disgrace Combined[B] Charles, Anxious to Succeed to the Throne[C] Carlos, a Lesson for All European Monarchs[D] Charles, Slow to React to the Coming Threats.Text2JUST HOW much does the Constitution protect your digital data? The Supreme Court is only just coming to grips with that question. On Tuesday, contents of a mobile phonewithout a warrant if the phone is on or around a person during an arrest.California has asked the justices to refrain from a sweeping ruling, particularly one that upsets the old assumption that authorities may search through the effects of suspects at the time of their arrest. Even if the justices are tempted, the state argues, it is hard for judges to assess the implications of new and rapidly changing technologies.The court would be recklessly modest if it followed California’s advice. Enough of the implications are discernable, even obvious, that the justices can and should provide updated guidelines to police, lawyers and defendants.They should start by discarding California’s lame argument thatexploring the contents of a smartphone — a vast storehouse of digital information — is similar to, say, rifling through a suspect’s purse. The court has ruled that police don’t violate the Fourth Amendment when theysift through the wallet or pocketbook of an arrestee without a warrant. But exploring one’s smartphone is more like entering his or her home. A smartphone may contain an arrestee’s reading history,financial history, medical history and comprehensive records of recent correspondence. The development of “cloud computing,” meanwhile, means that police officers could conceivably access even more information with a few swipes on a touchscreen.Americans should take steps to protect their digital privacy. But keeping sensitive information on these devices is increasingly a requirement of normal life. Citizens still have a right to expect private documents to remain private and protected by the Constitution’s prohibition on unreasonable searches.As so often is the case, stating that principle doesn’t ease the challenge of line-drawing. In many cases, it would not be overly onerous for authorities to obtain a warrant to search through phone contents. They could still trump Fourth Amendment protections when facing severe, exigent circumstances, such as the threat of immediate harm, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending. The court, though, may want to allow room for police to cite situations where they are entitled to more leeway.But the justices should not swallow California’s argument whole. New, disruptive technology sometimes demands novel applications of the Constitution’s protections. Orin Kerr, a law professor who blogs on The Post’s Volokh Conspiracy, the explosion and accessibility of digital information in the 21st century with the establishment of automobile use as a virtual necessity of life in the 20th: The justices had to specify novel rules for the new personal domain of the passenger car then; they must sort out how the Fourth Amendment applies to digital information now.26.The Supreme court, will work out whether, during an arrest, it islegitimate to[A] search for suspects’ mobile phones without a warrant.[B] check suspects’ phone contents without being authorized. [C] prevent suspects from deleting their phone contents.[D] prohibit suspects from using their mobile phones.27.The author’s attitude toward California’s argument is one of[A] tolerance. [B] indifference. [C] disapproval.[D] cautiousness.28.The author believes that exploring one’s phone content is comparable to[A] getting into one’s residence.[B] handing one’s historical records. [C] scanning one’s correspondences.[D] going through one’s wallet.29.In Paragraph 5 and 6, the author shows his concern that[A] principles are hard to be clearly expressed. [B] the court is giving police less room for action.[C] phones are used to store sensitive information. [D] citizens’ privacy is not effective protected.30.Orin Kerr’s comparison is quoted to indicate that(A)the Constitution should be implemented flexibly.(B)New technology requires reinterpretation of the Constitution.(C)California’s argument violates principles of the Constitution.(D)Principles of the Constitution should never be altered.Text3The journal Science is adding an extra round of statistical checks to its peer-review process, editor-in-chief Marcia McNutt announced today. The policy follows similar efforts from other journals, after widespread concern that basic mistakes in data analysis are contributing to theirreproducibility of many published research findings.“Readers must have confidence in the conclusions published in our journal,” writes McNutt in an editorial. Working with the American Statistical Association, the journal has appointed seven experts to a statistics board of reviewing editors (SBoRE). Manuscript will be flagged up for additional scrutiny by the journal’s internal editors, or by its existing Board of Reviewing Editors or by outside peer reviewers. The SBoRE panel will then find external statisticians to review these manuscripts.Asked whether any particular papers had impelled the change, McNutt said: “The creation of the ‘statistics board’ was motivated by concerns broadly with the application of statistics and data analysis in scientific research and is part of Science’s overall drive to increase reproducibility in the research we publish.”Giovanni Parmigiani, a biostatistician at the Harvard School of Public Health, a member of the SBoRE group, says he expects the board to “play primarily an advisory role.” He agreed to join because he “found the foresight behind the establishment of the SBoRE to be novel, unique andlikely to have a lasting impact. This impact will not only be through the publications in Science itself, but hopefully through a larger group of publishing places that may want to model their approachafter Science.”31.According to Nancy Koehn,office language has become[A]more emotional[B]more object[C]less energetic[D]less stratcgic32.”Team”oriented corporate vocabulary is closely related to[A]historical incidents [B]gender difference[C]sport culture[D]athletic executives33.Khurana believes that the importation of terminology to[A]revive historical terms [B]promote company image[C]foster corporate cooperation [D]strengthen cmployee loyalty34.It can bo inferred that Lean In .[A]voices for working women [B]appeals to passionate workholics [C]triggers debates among mommies [D]parises motivated employees35.Which of the following statements is true about office speak?[A]Managers admire it avoid it[B] Linguists believe it to be nonsense[C]Companies find it to be fundamental[D]Regular people mock it but accept itText4Two years ago, Rupert Murdoch’s daughter, Elisabeth, spoke of the “unsettling dearth of integrity across so many of our institutions”. Integrity had collapsed, she argued, because of a collective acceptance that the only “sorting mechanism” in society should be profit and the market. But “it’s us, human beings, we the people who create the society we want, not profit”.Driving her point home, she continued: “It’s increasingly apparent that the absence of purpose, of a moral language within government, media or business could become one of the most dangerous goals for capitalism and freedom.” This same absence of moral purpose was wounding companies such as News International, she thought, making it more likely that it would lose its way as it had with widespread illegal telephone hacking.As the hacking trial concludes—finding guilty one ex-editor of the News of the World, Andy Coulson, for conspiring to hack phones, and finding his predecessor, Rebekah Brooks, innocent ofthe same charge—the wider issue of dearth of integrity still stands. Journalists are known to have hacked the phones of up to 5,500 people. Thisis hacking on an industrial scale, as was acknowledged by Glenn Mulcaire, the man hired by the News of the World in 2001 to be the point person for phone hacking. Others await trial. This saga still unfolds.In many respects, the dearth of moral purpose frames not only the fact of such widespread phone hacking but the terms on which the trial took place. One of the astonishing revelations was how little Rebekah Brooks knew of what went on in her newsroom, how little she thought to ask and the fact that she never inquired how the stories arrived. The core of her successful defence was that she knew nothing.In today’s world, it has become normal that well-paid executives should not be accountable for what happens in the organisations that they run. Perhaps we should not be so surprised. For a generation, the collective doctrine has been that the sorting mechanism of society should be profit. The words that have mattered are efficiency, flexibility, shareholder value, business-friendly, wealth generation, sales, impact and, in newspapers, circulation. Words degraded to the margin have been justice, fairness, tolerance, proportionality and accountability.The purpose of editing the News of the World was not to promote reader understanding, to be fair in what was written or to betray any common humanity. It was to ruin lives in the quest for circulation and impact. Ms Brooks may or may not have had suspicions about how her journalists got their stories, but she asked no questions, gave no instructions—nor received traceable, recorded answers.36.Accordign to the first two paragraphs, Elisabeth was upset by(A)the consequences of the current sorting mechanism.(B)companies’ financial loss due to immoral practices(C)governmental ineffectiveness on moral issues.(D)the wide misuse of integrity among institutions.37.It can be inferred from Paragraph 3 that(A)Glenn Mulcaire may deny phone hacking as a crime.(B)more journalists may be found guilty of phone hacking.(C)Andy Coulson should be held innocent of the charge.(D)phone hacking will be accepted on certain occasions.38.The author believes that Rebekah Brooks’s defence(A)revealed a cunning personality.(B)centered on trivial issues.(C)was hardly convincing.(D)was part of a conspiracy.39.The author holds that the current collective doctrine shows(A)generally distorted values.(B)unfair wealth distribution.(C)a marginalized lifestyle.(D)a rigid moral code.40 Which of the following is suggested in the last paragraph?(A)The quality of writings is of primary importance.(B)Common humanity is central to news reporting.(C)Moral awareness matters in editing a newspaper.(D)Journalists need stricter industrial regulations.Part BHow does your reading proceed? Clearly you try to comprehend, in the sense of identifying meanings for individual words and working out relationships between them, drawing on your implicit knowledge of English grammar. (41) You begin to infer a context for the text, for instance by making decisions about what kind of speech event is involved: who is making the utterance, to whom, when and where.The ways of reading indicated here are without doubt kinds of comprehension. But they show comprehension to consist not just of passive assimilation but of active engagement in inference and problem-solving. You infer information you feel the writer has invited you to grasp by presenting you with specific evidence and clues; (42)Conceived in this way, comprehension will not follow exactly the same track for each reader.What is in question is not the retrieval of an absolute, fixed or ‘true’meaning that can be read off and checked for accuracy, or some timeless relation of the text to the world.(43)Such background material inevitably reflects who we are.(44)This doesn’t, however, make interpretation merely relative or even pointless. Precisely because readers from different historical periods. Place and social experiences produce different but overlapping readings of the same words on the page—includingfor texts that engage with fundamental human concerns—debates about texts can play an important in the social discussion of beliefs and values.How we read a given text also depends to some extent on our particularinterest in reading it.(45)Such dimensions of reading suggest — as other introduced later in the book will also do — that webring an implicit（often unacknowledged）agenda to any act of reading. It doesn’t then necessarily follow that one kind of reading is fuller,more advanced and more worthwhile than another. Ideally, different kinds of reading inform each other, and act as useful reference points for and counterbalances to one another. Together, they make up the reading component of your overall literacy, or relationship to your surrounding textual environment.A.Are we studying that text and trying to respond in a way that fulfils the requirement of a give course? Reading it simply for pleasure? Skimming it for information? Ways of reading on a train or in bed are likely to differ considerably from reading in a seminar room.B.Factors such as the place and period in which we are reading, our gender, ethnicity, age and social class will encourage us towards certain interpretations but at the same time obscure or even close off others.C.If you are unfamiliar with words or idioms, you guess at their meaning, using clues presented in the context. On the ash emption that they will become relevant later, you make a mental note of discourse entities as wellas possible links between them.D.In effect, you try to reconstruct the likely meaning or effects that any given sentence, image or reference might have had: These might be theones author intended.E.You make further inferences, for instance, about how the text may be significant to you, or about its validity — inferences that from the basisof personal response for which the author will inevitably be far less responsible.F.In plays, novels and narrative poems, characters speak as constructs created the author, not necessarily as mouthpieces for the author’s own thoughts.G.Rather, we ascribe meanings to texts on the basis of interaction between what we might call textual and contextual material: between kinds of organization or pattering we perceive in a text’s formal structures (so especially its language structures) and various kinds of background, social knowledge, belief and attitude that we bring to the text.Part CDirections:Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written neatly on the ANSWER SHEET. (10 pionts)Within the span of a hundred years, in the seventeenth and early eighteenth centuries, a tide if emigration- one of the great folk wanderings of history- swept from Europe to America. (46) This movement, driven by powerful and diverse motivations, built a nation out of a wilderness and, by its nature, shaped the character and destiny of an uncharted continent.(47) The United States is the product of two principal forces- the immigration of European people with their varied ideas, customs, and national characteristics and the impact of a new country which modified these traits. Of necessity, colonial America was a projection of Europe. Across theAtlantic came successive groups of Englishmen, Frenchmen, Germans, Scots, Irishmen, Dutchmen, Swedes, and many others who attempt to transplant their habits and traditions to new world. (48) But the force of geographic conditions peculiar to America, the interplay of the varied national groups upon once another, and the sheer difficulty of maintaining old-world ways in a raw, new continent caused significant changes. These changes were gradual and at first scarcely visible. But the result was a new social pattern which, although it resembled European society in many ways, has a character that was distinctly American.(49) The first shiploads of immigrants bound for the territory which is now the United States crossed the Atlantic more than a hundred years after the 15th-and- 16th century explorations of North America. In the meantime, thriving Spanish colonies had been established in Mexico, the West Indies, and South America. These travelers to North America came in small, unmercifully overcrowded craft. During their six-to twelve-week voyage, they survived on barely enough food allotted to them. Many of the ships were lost in storms, many passengers died of disease, and infants rarely survived the journey. Sometimes storms blew the vessels far off their course, and often calm brought unbearably long delay.To the anxious travelers the sight of the American shore brought almost inexpressible relief. Said one recorder of events, “ The air at twelve leagues’ distance smelt as sweet as a new-blown garden.” The colonists’first glimpse of the new land was a sight of dense woods. (50) The virgin forest with its richness and variety of trees was a real treasure-house whichextended from Maine all the way down to Georgia. Here was abundant fuel and lumber……Section III WritingPart A51.Directions：You are going to host a club reading session. Write an email of about 100 words recommending a book to the club members.You should state reasons for you recommendation. You should write neatly onthe ANSWER SHEET.Do not sign your own name at the end of the letter. Use “Li Ming”instead.Do not write the address.(10 points)Part B52．Directions：Write an essay of 160-200 words based on the following picture. In your essay, you should(1)Describe the picture briefly,(2)Interpret its intended meaning, and(3)Give your comments.You should write neatly on the ANSWER SHEET.(20 point)1. 【答案】[D] what【解析】该题考查的是语法知识。