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博士研究生入学考试英语试题及详解Doctoral Entrance Examination in EnglishPart I: Reading Comprehension (40 points)Directions: In this section, there are four passages followed by questions or incomplete statements. Read the passages carefully and choose the best answer to each question or complete each statement.Passage 1:Climate Change and Global WarmingClimate change refers to long-term changes in average weather patterns in a specific region or globally. Global warming, on the other hand, specifically refers to the increase in Earth's average surface temperature due to human activities. While some argue that global warming is a natural phenomenon, the overwhelming majority of scientists agree that human activities, such as the burning of fossil fuels and deforestation, are the primary causes of climate change.1. According to the passage, what is the main cause of global warming?A. Natural phenomenaB. Human activitiesC. Average weather patternsD. Long-term changes in climateAnswer: B. Human activities2. What is the difference between climate change and global warming?A. Climate change is caused by human activities, while global warming is natural.B. Global warming refers specifically to changes in average weather patterns.C. Climate change refers to long-term changes in climate, while global warming is due to human activities.D. Global warming specifically refers to the increase in Earth's average surface temperature due to human activities.Answer: D. Global warming specifically refers to the increase in Earth's average surface temperature due to human activities.Passage 2:The Importance of BiodiversityBiodiversity refers to the variety of plant and animal species within a certain ecosystem. It plays a crucial role in maintaining the balance of the environment and supporting the overall health of ecosystems. Loss of biodiversity is a significant concern as it can lead to negative impacts on food security, climate stability, and overall ecosystem function.3. What is biodiversity?A. The variety of plant and animal species within a certain ecosystem.B. The balance of the environment.C. The health of ecosystems.D. The stability of climate.Answer: A. The variety of plant and animal species within a certain ecosystem.4. Why is loss of biodiversity a concern?A. It leads to an increase in food security.B. It has no impact on climate stability.C. It can negatively affect food security, climate stability, and ecosystem function.D. It supports overall ecosystem function.Answer: C. It can negatively affect food security, climate stability, and ecosystem function.Part II: Writing (60 points)Directions: In this section, write an essay on one of the following topics. Your essay should be approximately 400 words in length.1. The Impact of Technology on Society2. Education in the Digital Age3. The Importance of Cross-Cultural Communication4. Sustainable Development and Environmental ConservationPart III: Speaking (60 points)Directions: In this section, you will be asked to discuss one of the following topics. You will have five minutes to prepare your response and three minutes to present it.1. The Advantages and Disadvantages of Online Learning2. The Influence of Social Media on Relationships3. Effective Strategies for Time Management4. The Role of Government in Promoting Renewable EnergyDetailed explanations and model answers for Part II and Part III will be provided during the examination.Good luck with your doctoral entrance examination in English!。
四川大学英语考研题目及答案I. Vocabulary and Grammar (20 points)1. The committee is expected to make a decision by the end of the month.- A) to make- B) making- C) made- D) having madeAnswer: A2. The book provides an _______ insight into the life of the famous scientist.- A) in-depth- B) in-deep- C) depth- D) deeplyAnswer: A3. Despite the heavy rain, the construction work was _______ on schedule.- A) behind- B) ahead- C) on- D) offAnswer: C4. The new policy has been _______ to improve the workingconditions of the employees.- A) implemented- B) implied- C) simplified- D) multipliedAnswer: A5. The teacher asked the students to _______ the text and then write a summary.- A) analyze- B) announce- C) announce- D) assembleAnswer: AII. Reading Comprehension (40 points)Passage 1: The Impact of Technology on Education6. What is the main idea of the passage?- A) Technology has a negative impact on education.- B) The integration of technology in education is inevitable.- C) Technology has completely replaced traditional teaching methods.- D) Technology has both advantages and disadvantages in education.Answer: B7. According to the passage, which of the following is NOT a benefit of using technology in education?- A) It can make learning more interactive.- B) It can provide personalized learning experiences.- C) It can reduce the need for physical textbooks.- D) It can increase the cost of education.Answer: DPassage 2: The Importance of Cultural Exchange8. What does the author suggest about cultural exchange?- A) It is essential for global understanding.- B) It is only beneficial for developing countries.- C) It should be limited to certain cultural groups.- D) It is a waste of time and resources.Answer: A9. The author uses the example of the _______ to illustrate the benefits of cultural exchange.- A) United Nations- B) Olympic Games- C) World Trade Organization- D) International Space StationAnswer: BIII. Cloze Test (20 points)[Passage with 10 blanks to be filled with the appropriate word from the given options.]10. The _______ of the new bridge has greatly facilitated the transportation between the two cities.- A) completion- B) commencement- C) cancellation- D) collapseAnswer: A11. The _______ of the old building was due to its historical significance.- A) preservation- B) demolition- C) renovation- D) abandonmentAnswer: AIV. Translation (English to Chinese) (10 points)12. The government has pledged to tackle the issue of air pollution with a series of new measures.- 政府承诺将采取一系列新措施解决空气污染问题。
1.马克思主义通货膨胀理论与西方货币学派比较2.价值的生产与分配理论3.资本的周转与循环理论2012年四川大学博士生入学试题《资本论》与社会主义市场经济理论1.马克思地租理论及其现实意义；2.马克思价格理论及其现实意义；3.马克思失业理论与西方经济学失业理论的比较.2012年四川大学博士生入学试题《政治经济学研究》1.从经济增长方面看通胀的管理；2.欧债危机；3.工业化、城镇化和现代农业化三化关系。
2010年四川大学博士生入学试题《政治经济学研究》1、论我国城镇化中的土地流转2、论我国现阶段的收入分配3、论新时期我国的宏观经济政策2011年四川大学博士生入学试题《资本论》与社会主义市场经济理论1.大宗商品价格波动的意义及其传导机制2.社会主义的生产目的；3.我国的工资理论2011年四川大学博士生入学试题《政治经济学研究》1.马克思的通货膨胀理论及其与西方通货膨胀理论比较2.实体经济与虚拟经济的关系3.论述转变经济发展方式2007年四川大学博士生入学试题《资本论》与社会主义市场经济理论1.马克思的商品理论及其现实意义2.马克思的扩大再生产理论？3.马克思的收入分配理论与西方经济学的收入分配理论比较1.马克思的货币理论及其现实意义2.马克思的资本循环与周转理论3.马克思的经济危机理论与西方经济周期理论的比较2009年四川大学博士生入学试题1.马克思的经济理论与当前金融危机2.马克思的地租理论及其现实意义3.劳动力价格的形成四川大学博士考试辅导，结合中央经济工作会议，我们提出以下问题请加以思考：1.实现经济自主增长的意义及途径（从原来的政策推动经济增长转到……）2.通货膨胀的成因及对策3.高通胀与低增长之间的关系（统筹速度、结构、物价三者的关系）4.经济风险的形成原因及化解对策5.金融风险的形成原因及化解对策6.发展实体经济的意义及途径7.提供发展包容性的途径8.经济金融潜在风险与宏观调控的方向及途径9.宏观调控的“稳中求进”的意义及其途径学科专业代码、专业名称及研究方向导师姓名招生人数考试科目101 经济学院 45人020101 政治经济学 12人01 中国经济改革杨继瑞杨明洪陈永正① 1001 英语或 1002 日语或 1003 俄语② 2001 《资本论》与市场经济理论③ 3001 政治经济学研究020102 经济思想史 3人01 马克思主义经济理论的形成与发展研究蒋永穆蒋和胜陈永正① 1001 英语或 1002 日语或 1003 俄语② 2001 《资本论》与市场经济理论③ 3002 经济思想史四川大学经济学院定于2012年3月12～19日开设“《资本论》与社会主义经济理论”专题研讨班。
四川大学2004年博士研究生入学考试英语试卷参考答案与解读Part Ⅰ Listening Comprehension(略>Part Ⅱ Vocabulary and StructuresSection A16．【答案】B【解读】本题空格处是说现代民主的本质。
B项的essence“本质”符合题意。
其他三项loop“循环”；equivalent“等价物”；velocity“速度，速率”都不正确。
b5E2RGbCAP17．【答案】D【解读】本题中，credible的意思是“可信的，可靠的”；undeniable的意思是“不可否认的”；dynamic的意思是“动态的”；tangible的意思是“可触摸的，有形的，切实的”。
四个选项中，只有D项符合题意。
p1EanqFDPw18．【答案】C【解读】本题中，dissection的意思是“剖析”；casualty的意思是“伤亡”；criteria的意思是“标准”；necessity的意思是“必需品”。
只有C项符合题意。
DXDiTa9E3d19．【答案】A【解读】本题空格处是说蒙古人和他们亚洲祖先的遗产。
A项的legacy“遗产(祖先、前人或过去传下来的某种东西>”符合题意。
其他三项bequest“遗产，遗赠”；converse“相反的事物”；miracle“奇迹”都不正确。
RTCrpUDGiT20．【答案】D【解读】本题中，D项的plausible“似乎有理的”符合题意，如：a plausible excuse(看似有理的借口>。
其他三项stable“稳定的”；absolute“绝对的”；immortal“不朽的”都不正确。
5PCzVD7HxA21．【答案】B【解读】本题空格处是说发现了令人信服的证据。
B项的compelling“强制性的，令人信服的，引人注目的”符合题意，如：compelling ambition and egotism(令人信服的志气和自负>。
四川大学考博英语模拟试卷1(题后含答案及解析)题型有：1. Reading Comprehension 2. Structure and V ocabulary 3. Cloze 4. English-Chinese Translation 5. Chinese-English Translation 6. WritingReading ComprehensionThe table before which we sit may be, as the scientist maintains, composed of dancing atoms, but it does not reveal itself to us as anything of the kind, and it is not with dancing atoms but a solid and motionless object that we live. So remote is this “real” table—and most of the other “realities” with which science deals—that it cannot be discussed in terms which have any human value, and though it may receive out purely intellectual credence it cannot be woven into the pattern of life as it is led, in contradistinction to life as we attempt to think about it. Vibrations in the either are so totally unlike, let us say, the color purple that the gulf between them cannot be bridged, and they are, to all intents and purposes, not one but two separate things of which the second and less “real” must be the most significant for us. And just as the sensation which has led us to attribute an objective reality to a non-existent thing which we call “purple”is more important for human life than the conception of vibrations of a certain frequency, so too the belief in God, however ill founded, has been more important in the life of man than the germ theory of decay, however true the latter may be. We may, if we like, speak of consequence, as certain mystics love to do, of the different levels or orders of truth. We may adopt what is essentially a Platonist trick of thought and insist upon postulating the existence of external realities which correspond to the needs and modes of human feeling and which, so we may insist, have their being is some part of the universe unreachable by science. But to do so is to make an unwarrantable assumption and to be guilty of the metaphysical fallacy of failing to distinguish between a truth of feeling and that other sort of truth which is described as a “truth of correspondence,” and it is better perhaps, at least for those of us who have grown up in an age of scientific thought, to steer clear of such confusions and to rest content with the admission that, though the universe with which science deals is the real universe, yet we do not and cannot have any but fleeting and imperfect contacts with it; that the most important part of our lives-our sensations, emotions, desires, and aspirations-takes place in a universe of illusions which science can attenuate or destroy, but which it is powerless to enrich.1．According to this passage, a scientist would conceive of a “table”as being______.A．a solid motionless objectB．certain characteristic vibrations in “ether”C．a form fixed in space and timeD．a mass of atoms on motion正确答案：D解析：文章第1句话指出了桌子在科学家眼中是无数跳动着的原子，进而建立了事物的本质与日常生活中人们对事物的感觉的不同，因此科学家把桌子假想成D。
考博英语（词汇）历年真题试卷汇编33(题后含答案及解析)题型有：1. Structure and V ocabularyStructure and V ocabulary1．India’s internal structure can never be ______ with Europe’s.A．sameB．similarC．identicalD．equal正确答案：C解析：identical(with)a.同一个：完全相同的(如：That is the identical pen I lost．The fingerprints of no two persons are identical．This copy is identical with the ones you bought last week．)。
same a.相同的，一样的(习惯上与定冠词the连用)。
similar(to)a.相似的，类似的。
equal(to／with)a.相等的，同样的：平等的；胜任的。
2．Louis was asked to ______ the man who stole her purse.A．identifyB．recognizeC．claimD．confirm正确答案：A解析：identify vt．认出，鉴定(身份)；认为……等同于(with)(如：She identified him as her attacker．I cannot identify this signature．Wealth cannot be identified with happiness．)。
recognize vt．认出，识别；承认。
claim vt．声称，主张；说……是自己的，索取。
confirm vt．确定，批准，使巩固，使有效。
3．There was snow everywhere, so that the shape of things was difficult to ______. (2010年四川大学考博试题)A．identifyB．authorizeC．justifyD．rationalize正确答案：A解析：在给出的选项中：identify“识别，鉴定，认明，认同，感同身受”：authorize“授权给，全权委托，允许，认可，批准”；justify“替……辩护，证明合法”：rationalize“使合理化，使有理化”。
2011年四川大学考博英语真题试卷(题后含答案及解析)题型有：1. Reading Comprehension 2. Structure and V ocabulary 3. Cloze 4. English-Chinese Translation 5. Chinese-English Translation 6. WritingReading ComprehensionConcern with money, and then more money, in order to buy the conveniences and luxuries of modern life, has brought great changes to the lives of most Frenchmen. More people are working than ever before in France. In the cities the traditional leisurely midday meal is disappearing. Offices, shops, and factories are discovering the great efficiency of a short lunch hour in company lunchrooms. In almost all lines of work emphasis now falls on ever-increasing output. Thus the “typical”Frenchman produces more, earns more, and buys more goods than his counterpart of the last generation. He gains in creating comforts and ease of life. What he loses to some extent is his sense of persona, uniqueness, or individuality. Some say that France has been Americanized. This is because the U. S. is a world symbol of the technological society and its consumer products, The so-called Americanization of France has its critics. They fear that “assembly -line life”will lead to the disappearance of the pleasures of the more graceful and leisurely(but less productive)old French style. What will happen, they ask, to taste, elegance, and the cultivation of the good things in life-joy in the smell of a freshly picked apple, a stroll by the river, or just happy hours of conversation in a local cafe? Since the late 1950s life in France has indeed taken on qualities of rush, tension, and the pursuit of material gain. Some of the strongest critics of the new way of life are the young, especially university students. They are concerned with the future, and they fear that France is threatened by the triumph of this competitive, goods-oriented culture. Occasionally, they have reacted against the trend with considerable violence. In spite of critics, however, countless Frenchmen are committed to keeping France in the forefront of the modern economic world. They find that the present life brings more rewards, conveniences, and pleasures than that of the past. They believe that a modern, industrial France is preferable to the old.1．The old French way of life is characterized by______.A．leisure, elegance, and efficiencyB．elegance, efficiency, and tasteC．leisure, elegance, and tasteD．leisure, efficiency, and taste正确答案：C解析：细节事实题。
博士生英语考试真题试卷一、词汇与语法（共10题）1. The new discovery ______ a significant impact on the field of medicine.A. makes.B. has.C. gives.D. takes.答案：B。
解析：“have an impact on...”是固定搭配，表示“对……有影响”，这里主语是“the new discovery”，为第三人称单数，所以用“has”。
2. She was so ______ in her work that she didn't notice the time passing.A. absorbed.B. attracted.C. drawn.D. concentrated.答案：A。
解析：“be absorbed in...”是固定短语，意为“专心于……”；“be attracted to...”表示“被……吸引”；“concentrate on”（集中精力于），这里需要用“absorbed”。
3. It is essential that every student ______ a good command of English.A. has.B. had.C. have.D. will have.答案：C。
解析：在“It is essential that...”句型中，从句要用虚拟语气，即“should + 动词原形”，“should”可以省略，所以这里用“have”。
4. The committee ______ of fifteen members.A. consists.B. composes.C. makes up.D. is made up.答案：A。
解析：“consist of”表示“由……组成”，主动形式；“be made up of”也表示“由……组成”，但为被动形式；“compose”的用法是“be composed of”，这里主语是“the committee”，所以用“consists”。
四川大学2005年博士研究生入学英语考试题Passage 1As the horizons of science have expanded, two main groups of scientists have emerged. One is the pure scientist; the other, the applied scientist.The pure or theoretical scientist does original research in order to understand the basic laws of nature that govern our world. The applied scientist adapts this knowledge to practical problems. Neither is more important than the other, however, for the two groups are very much related. Sometimes, however, the applied scientist finds the "problem" for the theoretical scientist to work on. Let's take a particular problem of the aircraft industry: heat-resistant metals. Many of the metals and alloys which perform satisfactorily in a car cannot be used in a jet-propelled plane. New alloys must be used, because the jet engine operates at a much higher temperature than an automobile engine. The turbine wheel in a turbojet must withstand temperatures as high as 1,600 degrees Fahrenheit, so aircraft designers had to turn to the research metallurgist for the development of metals and alloys that would do the job in jet-propelled planes.Dividing scientists into two groups is only one broad way of classifying them, however. When scientific knowledge was very limited, there was no need for men to specialize. Today, with the great body of scientific knowledge, scientistsspecialize in many different fields. Within each field, there is even further subdivision. And, with finer and finer subdivisions, the various sciences have become more and more interrelated until no one branch is entirely independent of the' others. Many new specialties --geophysics and biochemistry, for example -- have resulted from combining the knowledge of two or more sciences.1. The applied scientist ______.A. is not always interested in practical problemsB. provides the basic knowledge for practiceC. applies the results of research to practiceD. does original research to understand the basic laws of nature2. The example given in the passage illustrates how ___.A. pure science operates independently of applied scienceB. the appliedscientist discovers the basic laws of natureC. applied science defines all the areas in which basic research is doneD. applied science suggests problems for the basic scientist3. The problem discussed in the second paragraph called for____.A. selecting the best hear-resistant metal from existing metalsB. developing a turbine wheel capable of generating heat up to 1,600 degrees FahrenheitC. developing metals and alloys that would withstand terrific temperaturesD. causing the jet engine to operate at higher temperatures4. Finer mad finer subdivision in the field of science has resulted in_____.A. greater independence of each scienceB. greater interdependence of all the various sciencesC. the eradication of the need for specialistsD. the need for onlyon classification of scientists5. "The horizons of science have expanded" means that____.A. the horizon changes its size from year to yearB. science has developed more fields of endeavorC. scientists have made great progress in studying the horizonD. scientists can see further out into spacechow Passage 2In The Disuniting of America: Reflections on a Multicultural Society, Revised and Enlarged Edition (W. W. Norton) Schlesinger provides deep insights into the crises of nationhood in America. A new chapter assesses the impact both of radical multiculturalism and radical monoculturalism on the Bill of rights. Written with his usual clarity and force, the book brings a noted historian's wisdom and perspective to bear on America's "culture wars".Schlesinger addresses the questions: What holds a nation together? And what does it mean to be an American? Describing the emerging cult of ethnicity, Schlesinger praises its healthy effect on a nation long shamed by a history of prejudice and narrow-mindedness. But he warns against the campaign of multicultural advocates to divide the nation into separate ethnic and racial communities. From the start, he observes, the United States has been a multicultural nation, rich in its diversity but held together by a shared commitment to the democratic process and by the freedom of intermarriage. It was this national talent for assimilation that impressed foreign visitors like Alexis de Tocqueville and James Bryce, and it is this historic goal that Schlesinger champions as the best hope for the future. Schlesinger analyzes whathe sees as grim consequences of identity politics: the widening of differences. Attacks on the First Amendment, he argues, threaten intellectual freedom and, ultimately, the future of the ethnic groups. His criticisms are not limited to the left. As a former target of McCarthyism, he understands that the radical right is even more willing than the radical left to restrict and weaken the Bill of Rights.The author does not minimize the injustices concealed by the "melting pot" dream. The Disuniting of America is both academic and personal, forceful in argument, balanced in judgment. It is a book that will no doubt anger some readers, but it will surely make all of them think again. The winner of Pulitzer Prizes for history and for biography, an authoritative voice ofAmerican liberalism, Schlesinger is uniquely positioned to bring bold answers and healing wisdom to this passionate debate over who we are and what we should become.6. According to Schlesinger, the United States is_____.A. a melting potB. a nation with diverse cultures held together by the democratic processC. a federation of ethnic and racial communitiesD. a nation with various ethnic and racial groups7. We can infer from the passage that Schlesinger______.A. advocates the assimilation of different cultures into one nationhoodB. prefers multiculturalism to monoculturalismC. gives full support to the emerging cult of ethnicityD. holds that each racial group should keep its distinct identity8. The author wants to tell us that America_____.A. is experiencing a crisis of nationhoodB. is trying to restrict the Bill of RightC. has ended its history of racial prejudiceD. has tried to obstruct intellectual freedom9. According to the author, Schlesinger's book will____.A. cause anger among the radical rightB. cause anger among the radical leftC. put an end to the culture wars in AmericaD. provoke thinking among the readers10. This passage is most probably taken from __.A. a history bookB. a book introductionC. a book reviewD. a journal of literary criticismchow Passage 3The El Nino ("little boy" in Spanish) that pounded the globe between the summers of1997 and 1998 was in some measure the most destructive in this century. Worldwide damage estimates exceed ~20 billion --not to mention the human death toll caused by resulting droughts, floods and bushfires. El Nino and La Nina ("little girl") are part of a seesawing of winds and currents in the equatorial Pacific called ENSO (El Nino Southern Oscillation) that appears every two to eight years. Normally, westward-blowing trade winds caused by the rotation of the earth and conditions in the Tropics push surface water across the Pacific towards Asia. The warm water piles up along the coasts of Indonesia, Australia and the Philippines, raising sea levels more than a foot above those on the South American side of the Pacific. As El Nino builds the normal east-to-west trade winds wane. Like water splashing in a giant bathtub, the elevated pool of warm water washes from Asian shores back towards South America.In last season's cycle, surface temperatures off the west coast of South America soared from a normal high of 23°C degrees to 28°C degrees. This area of warm water, twice the size of the continental US, interacted with the atmosphere, creating storms and displacing high-altitude winds. El Nino brought rain that flooded normally dry coastal areas of Ecuador, Chile and Peru, while droughts struck Australia and Indonesia. Fires destroyed some five million acres of Indonesian forest. The drought, along with the economic crisis, left about five million people desperate for food and water. These conditions helped set the stage for riots that led to the downfall of President Suharto. El Nino also took the blame for extreme temperatures in Texas last summer over 38°C degrees for a record 30 days in a row. In Florida, lush vegetation turned to tinder and bushfires raged. Even Britain has been sweltering with our hottest year on record in 1997.11. As El Sino builds, _____ .A. the normal westward trade winds weakenB. the normal eastward trade winds weakenC. the normal westward trade winds strengthenD. the normal eastward trade winds strengthen12. Which of the following statements is true?A. El Nino results from droughts, floods and bushfires.B. El Nino brought rain to most areas that were affected,C. When El Nino appeared, some of the world's rainforests were attacked by droughts.D. Most areas that were affected by El Nino got droughts.13. Once El Nino even played a role in the political world. What was it?A. President Suharto was overthrown by the drought caused by El Nino.B. El Nino caused riots that led to the downfall of President Suharto.C. President Suharto resigned because of the drought caused by El Nino.D. The drought caused by El Nino together with the economic crisis prevailing in Indonesia helped to overthrow President Suharto.14. The phrase "in a row" in the last paragraph means____.A. continuouslyB. in a lineC. awfullyD. now and then15. The writer of this passage is most likely to be____.A. an Australia observerB. a British nationalC. an American geographerD. an Indonesia journalistchow Passage 4In patients with Huntington's disease, it's the part of the brain called the basal ganglia that's destroyed. While these victims have perfectly intact explicit memory systems, they can't learn new motor skills. An Alzheimer's patient can learn to draw in a mirror but can't remember doing it: a Huntington's patient can't do it but can remember trying to learn. Yet anotherregion of the brain, an almond-size knot of neural tissue seems to be crucial in forming and triggering the recall of a special subclass of memories that is tied to strong emotion, especially fear. These are just some of the major divisions. Within the category implicit memory, for example, lie the subcategories of associative memory –the phenomenon that famously led Parlov's dogs to salivate at the sound of a bell which they had learned to associate with food and of habituation, in which we unconsciously file away unchanging features of the environment so we can pay closer attention to what's new and different upon encountering a new experience.Within explicit, or declarative memory, on the other hand, there are specific subsystems that handle shapes, textures such as faces, names -- even distinct systems to remember nouns vs. verbs. All of these different types of memory are ultimately stored in the brain's cortex, within its deeply furrowed outer layer -- a component of the brain dauntingly more complex than comparable parts in other species. Experts in brain imaging are only beginning to understand what goes where, and how the parts are reassembled into a coherent whole that seems to be a single memory is actually a complex construction. Think of a hammer, and your brain hurriedly retrieves the tool's name, its appearance, its function, its heft and the sound of its clang, each extracted from a different region of the brain. Fail to connect person's name with his or her face, and you experience the breakdown of that assembly process that many of us begin to experience in our 20s and that becomes downrightworrisome when we reach our 50s.It was this weakening of memory and the parallel loss of ability to learn new things easily that led biologist Joe Tsien to the experiments reported last week. "This age-dependent loss of function," he says, "appears in many animals, and it begins with the onset of sexual maturity."What's happening when the brain forms memories -- and what fails with aging, injury and disease -- involves a phenomenon known as "plasticity". It's obvious that something in the brain changes as we learn and remember new things, but it's equally obvious that the organ doesn't change its overall structure or grow new nerve cells wholesale. Instead, it's the connections between new cells -- and particularly the strength of these connections that are altered by experience. Hear a word over and over, and the repeated firing of certain cells in a certain order makes it easier to repeat the firing pattern later on. It is the pattern that represents each specific memory.16. Which of the following symptoms can be observed in a person who suffers from the Huntington's disease?A. He cannot remember what he has done but can remember trying to learn.B. He cannot do something new but he can remember doing it.C. He suffers from a bad memory and lack of motor skills.D. He suffers from a poor basal ganglia and has intact explicit memory.17. According to the passage, which of the following memories has nothing to do with implicit memory?A. Associating a signal with an action.B. Recognizing of new features.C. Focusing on new environment.D. Remembering a familiar face of a friend.18. Which of the following may happen to a patient who suffered from damages tohis explicit memory?A. When he is in a new environment, he is always frightened.B. When he plays football, he cannot learn new tricks.C. When he sees a friend, it's hard for him to remember his name.D. When he finds a hammer, he cannot tell anything about it.19. The word "extract" in the second paragraph means_____.A. obtainB. removeC. pullD. derive20. We can draw a conclusion from the passage that_____.A. Scientists have found the mechanism underlying the memorizing activitiesB. More research must be done to determine the brain structure.C. Some researchers are not content with the findings.D. It is obvious that something in the brain changes as we learn and remember. chow Passage 5Mobility of individual members and family groups tends to split up family relationships. Occasionally the movement of a family away from a situation which has been the source of friction results in greater family organization, but on the whole mobility is disorganizing. Individuals and families are involved in three types of mobility: movement in space, movement up or down in social status, and the movement of ideas. These are termed respectively spatial, vertical and ideational mobility.A great increase in spatial mobility has gone along with improvements in rail and water transportation, the invention and use of the automobile, and the availability of airplane passenger service. Spatial mobility results in a decline in the importance of the traditional home with its emphasis on family continuity and stability. It also means that when individual family members or the family as a whole move away from a community, the person or the family is removed from the pressures of relatives, friends, and community institutions for conventionality and stability. Even more important is the fact that spatial mobility permits some members of a family to come in contact with and possibly adopt attitudes, values, and ways of thinking different from those held by other family members. The presence of different attitudes values, and ways of thinking within a family may, and often does, result in conflict and family disorganization. Potential disorganization is present in thosefamilies in which the husband, wife and children are spatially separated over a long period, or are living together but see each other only briefly because of different work schedules.One index of the increase in vertical mobility is the great increase in the proportion of sons, and to some extent daughters who engage in occupations other than those of the parents. Another index of vertical mobility is the degree of intermarriage between social classes. This occurs almost exclusively between classes which are adjacent to each other. Engaging in a different occupation, or intermarriage, like spatial mobility, allows one to come in contact with ways of behavior different from those of the parental home, and tends to separate parents and their children.The increase in ideational mobility is measured by the increase in publications, such as newspapers, periodicals and books, the increase in the percentage of the population owning radios, and the increase in television sets. All these tend to introduce new ideas into the home. When individual family members are exposed to and adopt the new ideas, the tendency is for conflict to arise and for those in conflict to become psychologically separated from each other.21. What the passage tells us can be summarized by the statement___.A. potential disorganization is present in the American familyB. social development results in a decline in the importance of traditional familiesC. the movement of a family is one of the factors in raising its social statusD. family disorganization is more or less the result of mobility22. According to the passage, those who live in a traditional family ___A. can get more help from their family members if the are in troubleB. will have more freedom of action and thought if they move away from itC. are less likely to quarrel with others because of conventionality and stabilityD. have to depend on their relatives and friends if they do not move away from it23. Potential disorganization exists in those families in which ____A. the family members are subject to social pressuresB. both parents have to work full timeC. the husband, wife and children, and children seldom get togetherD. the husband, wife and children work too hard24. Intermarriage and different occupations play an important role in family disorganization because____.A. they enable the children to travel around without their parentsB. they enable the children to better understand the ways of behavior of their parentsC. they allow one to find a good job and improve one's social statusD. they permit one to come into contact with different ways of behavior and thinking25. This passage suggests that a well-organized family is a family whose members __A. are not psychologically withdrawn from one anotherB. seldom quarrel with each other even when they disagreeC. often help each other with true love and affectionD. are exposed to the same new ideas introduced by books, radios and TV sets chow Passage 6A design for a remotely-controlled fire engine could make long road or rail tunnels safer. It is the brainchild of an Italian fire safety engineer, who claims that his invention -- dubbed Robogat -- could have cut the death toll in the disastrous Mont Blanc tunnel fire in March 1999 which killed 41 people.Most of the people who perished dies within 15 minutes of smoke first being detected. Quick action is needed when fire breaks out in a tunnel. Robogat can travel at about 50 kilometers per hour. The Mont Blanc fire was 5 kilometers from the French end of the tunnel, so a machine could have got there in about six minutes.The Robogat has been designed and patented by Domenico Piatti of the Naples fire department. It runs on a monorail suspended from the roof of the tunnel. When the Robogat reaches a fire, it plugs into a modified water main running along the tunnel and directs its hoses at the base of the fire. It is capable of pumping 3,000 liters of high-pressure water per minute--about the same rate as that from an airport fire tender. Normal fire engines deliver 500 liters per minute. The machine's heat-resistant skin is designed to withstand temperatures of up to 1,000°C. Designed to fight fires in tunnels up to 12 kilometers long, the Robogat will be operated from a control centre outside the tunnel. Ideally, tunnels should have a Robogat stationed at each end, allowing fires to be tackled from both sides.Piatti says that it would be relatively cheap to install the Robogat in new tunnels, with each machine costing around ￡250,000. "That's not expensive," says Stuart Jagger, a British fire-fighting specialist, who adds, "Fire-fighters normally have to approach the blaze from upwind. People have dies if the ventilation is overwhelmed or someone changes the ventilation. If the robot worked remotely it would be an advantage." But this introduces extra problems: the Robogat would have to feed information about the state of the fire back to its controller, and the sensors, like the rest of the machine, would have to be fire-resistant. Piatti is now looking for financial backing to build a prototype.26. The Robogat can quickly get through to the scene of a fire because___.A. it is in position in the middle of the tunnelB. it can move on a monorail suspended from the roof of the tunnelC. it runs on a monorail and can take quick actionD. its modified water main can run along the tunnel quickly27. When fire breaks out in a tunnel, the most important thing is to __A. install a Rogogat quicklyB. detect the smoke quicklyC. change the ventilationD. take quick actions28. The Robogat is designed to pump water____.A. at a speed of 500 liters a minuteB. almost as fast as an airport tenderC. six times faster than an ordinary fire-engineD. at a rate of an airport fire tender29. According to the passage, because temperatures in a tunnel can be very high,____.A. the Robogat has to have a heat-resistant skinB, the Robogat is operated in a control centre outside the tunnelC. the Robogat can only work at the scene of a fire for a limited periodD. a Robogat is stationed at each end30. One problem that has not yet been solved, it seems, is that____A. a prototype has not yet been acceptedB. financial backing is not availableC. the machine will need fire-resistant sensorsD. the machine would not work if the ventilation was overwhelmedChow II. Vocabulary (10%, 0.5 mark each)31. This university offers a wide variety of high-quality courses for both graduate and undergraduate students.A. selectB. choiceC. alternativeD. optional32. ____ your request for a refund, we have referred that matter to our main office.A. On the point ofB. With relationship toC. In the event ofD. Withregard to33.AIDs activists permanently changed and shortened America's __ process for testing and approving new drags of all kinds, for all diseases.A. stagnantB. intricateC. appropriateD. efficient34. Exercise can affect our outlook on life, and it can also help us get rid of tension, anxiety and frustration. So we should take exercise__.A. regularlyB. normallyC. usuallyD. constantly35. Many artists believe that successful imitation, far from being symptomatic of a lack of originality, is the step in learning to be__.A. elegantB. confidentC. creativeD. imaginary36. There is scientific evidence to support our___ that being surrounded by plants is good for health.A. instinctB. implicationC. perceptionD. conception37. Tom plunged into the pond immediately when he saw a boat was sinking and alittle girl in it was___.A. in needB. on the declineC. in disorderD. at stake38. An obvious change of attitude at the top towards women's status in society will___ through the current law system in that country.A. permeateB. violateC. probeD. grope39. All the finished products are stored in a___ of the delivery port and shipping is available at any time.A. warehouseB. capsuleC. garageD. cabinet40. As he walked out the court, he was____ with frustration and rage.A. applauding B, quivering C. paralyzing D. limping41. The Board of Directors decided that more young men who were qualified would be_____ important positions.A. attributed toB. furnished withC. installed inD. inserted into42. There are still some____ for students of science and engineering, but those in arts and humanities have been filled.A. positionsB. vacanciesC. applicationsD. categories43. Wireless waste from cell phones, pocket PCs, and music players__ special problems because they have toxic chemicals in batteries and other components.A. poseB. commitC. transportD. expose44. Although Kerry has had no formal education, he is one of the___ businessmen in the company.A. alertestB. sternestC. nastiestD. shrewdest45. The senior citizen expressed a sentiment which___ profoundly to every Chinese heart.A. drewB. attractC. appealedD. impressed46. ___students should be motivated by a keen interest in theatre and should have some familiarity with plays in production.A. realisticB. responsibleC. ethnicD. prospective47. The accuracy of scientific observations and calculations is always___ the scientist's time-keeping methods.A.at the mercy ofB.in accordance withC.under the guidance ofD. by means of48. Recently a number of cases have been reported of young children ___ a violent act previously seen on television.A. stimulatingB. duplicatingC. modifyingD.accelerating49.The destruction of the Twin Towers in New York City_ shock and anger notonly throughout America but also throughout the wholeworld.A. envelopedB. summonedC. temptedD. provoked50.The secretary went over the table again very carefully for fear of___ any important data.A. overlookingB. slippingC. ignoringD. skimmingchow III. Cloze Test (10%, 0.5 mark each)Researchers who refuse to share data with others may 51 others to withhold results from them, 52 a study by health-policy analysts at Harvard Medical School.The study found that young researchers, those who publish 53 , and investigators seeking patents are most likely to be _54_ access to biomedical data. It also found that researchers who withhold data gain a _55 for this,and have more difficulty in 56 data from others.The study was 57 by a research team led by sociologist Eric Campbell. Theteam surveyed 2,366 58 selected scientists at 117 US medical schools. Overall,12.5 per cent said that they had been denied 59 to other academic investigators' data, 60 article reprints, during the past three years. This 61 with findingsby the team and other groups. But by examining the 62 of data withholding,the team identified those experiencing the most 63 . For junior staff. 64 ,the team found that 13.5 per cent were denied access, 65 5.1 per cent of senior researchers.The 66 between data withholding and researchers' publishing 67 during the68 three years was 69 : 7.7 per cent of those who had published 1-5 articleshad had data withheld from them, but this rose to 28.9 per cent for researcherswho had published more than 20. Campbell warns, "Selectively holding back on information from the most 70 researchers could slow down progress in researchinto the causes and cures of human disease."51. A. suggest B. provoke C. propose D. claim52. A. because of B. in spite of C. according to D. owing to53. A. a lot B. great deal C. regularly D. frequently54. A. sought B. seeking C. being sought D. have sought55. A. depression B. reputation C. infamy D. fame56. A. acquisition B. requiting C. assigning D. obtaining57. A. carried B. conducted C. forged D. identified58. A. randomly B. carefully C. specially D. absolutely59. A. entry B. reach C. access D. use60. A. inclusive B. excluding C. exclusive D. refusing61. A. corresponds B. complies C. compares D. adapts62. A. casualties B. victims C. culprits D. injuries63. A. hardship B. trial C. difficulty. D. errors。
