职称英语考试《理工类》模拟试题及答案0510-60
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职称英语考试《理工类》模拟试题及答案0510-561、English and English Community1 There is no doubt that English is a useful language. The people who speak English today make up the largest speech community in the world with the exception of speakers of Chinese.2 A speech community is similar to other kinds of communities. The people who make up the community share a common language. Often they live side by side, as they do in a neighborhood, a village, or a city. More often they form a whole country. National boundaries, however, are not always the same as the boundaries of a speech community. A speech community is any group of people who speak the same language no matter where they happen to live.3 We may say that anyone who speaks English belongs to the English speech community. For convenience, we may divide the speakers into two groups: one in which the speakers use English as their native language, the other in which the speakers learnEnglish as a second language for the purpose of education, commerce, and so on.4 Learning a second language extends one's vision and expands the mind. The history and literature of a second language record the real and fictional lives of people and their culture; a knowledge of them adds to our ability to understand and to feel as they feel. Learning English as asecond language provides another means of communication through which the window of the entire English speech community becomes a part of our heritage.Overall there are more speakers of Chinese than of____.【单选题】A.a second languageB.the same languageC.the same speech communityD.any other languageE.national boundariesF.a part ofone's heritage正确答案:D答案解析:从文章第1段可知,说汉语的人比说任何其他语言的人都要多。
职称英语理工类模拟试题及答案以下是的理工类模拟试题及答案,希望对大家有所帮助The Education of Benjamin FranklinHistory has given Benjamin Franklin a place of enduring fame. He was a writer, an inventor, a scientist, and a statesman. His life history has enjoyed popular suess for more than 200 years.Franklin's education at school stopped when he was ten years old. But he never stopped learning. For him, books held the key to living happily and suessfully. They were precious gifts.In his early youth, he had a friend who worked for a bookseller. Sometimes his friend would lend him books, which he was careful to return quickly. Often he sat up in his room reading most of the night in order to return a book before his friend's employer noticed its absence.But Franklin was not a lonely scholar. For him, learning was a social experience. In his Autobiography, he tells about organizing a club called the "Junto", which met every Friday night to improve its members' minds: "The rules I made required every member, in turn, to produce one or more questions on any point of Morals, Politics, or Natural Philosophy. The question would then be discussed by the whole group. Also, once in three months,each member was required to read an article he had written on any subject he pleased."Our discussions were directed by a president and conducted as an honest search for truth. We were to avoid unpleasant arguments or a desire for victory. Any member who did not obey these rules had to pay a fine."The Junto which Franklin organized continued for many years. It was the best group for the discussion then. The questions were given to the members during the week before they were to be discussed. This encouraged the members to read carefully about each subject so that they might speak with more understanding.When the Junto was organized, before the middle of the 18th century, there were no public libraries. There was not even a good bookstore south of Boston. Franklin decided to improve this situation.Each member of the Junto owned a few books. A room had been rented in which the members held the meetings. Franklin suggested that all the members should bring their books to the room. In this way the book would be a help to all during the weekly discussion. Also, each member would be allowed to take and read at home any book be chose.Throughout his life, Benjamin Franklin continued his education, learning from human contacts as well as from books.1. Benjamin Franklin stopped his education because his father could not afford the tuition.A) True B) False C) Not mentioned2. Aording to Benjamin Franklin, living happily and suessfully lies in reading.A) True B) False C) Not mentioned3. He often read most of the night to finish a bookthat he borrowed from his bookseller friend.A) True B) False C) Not mentioned4. Every member of the Junto should present an article he wrote in regular intervals.A) True B) False C) Not mentioned5. Every time the Junto members met, each brought with him some questions for the group to discuss.A) True B) False C) Not mentioned6. Franklin organized a private library for the Junto because there was no public library in his city.A) True B) False C) Not mentioned7. The weekly discussions were held at Franklin's.A) True B) False C) Not mentionedMany teachers believe that the responsibilities for learning lie with the student.If a long reading assignment is given,instructors expect students to be familiar with the (1)in the reading even if they do not discuss it in class or take an examination.The (2) student is consideredto be one who is motivated to learn for the sake of(3) ,not the one interested only in getting high grades.Sometimes homework is returned(4) brief written ments but without a grade.Even if a grade is not given,the student is(5) for learning the material assigned.When research is(6) ,the professor expects the student to take it actively and toplete it with(7) guidance.It is the student'sresponsibility to find books,magazines,and articles in the library.Professors do not have the time to explain(8) a university library works; they expect students(9) graduate students to exhaust the reference(10) in thelibrary.Professors will help students who need it,but(11) that their students should not be (12) dependent onthem.In the United Stats professors have many other duties (13) teaching, such as administrative or researchwork.Therefore,the time that a professor can spend with a student outside of class is (14) .If a student hasproblems with classroom work ,the student should either (15)a professor during office hours or make an appointment.1.A) suggestion B) context C) abstract D) information2.A) poor B) ideal C) average D) disappointed3.A) fun B) work C) learning D) prize。
职称英语理工类A级模拟试题及答案第一部分:词汇选项 (第1~15题,每题1分,共15分)下面共有15个句子,每个句子中均有1个词或短语画有底横线,请从每个句子后面所给的4个选项中选择1个与画线部分意义最相近的词或短语。
答案一律涂在答题卡相对应的位置上。
1 The main characters of HoratioAlger's books always rise from poverty to riches.A maturityB wisdomC statusD wealth2 The song “Yankee Doodle” wasoriginally sung byBritish troops to ridicule the American colonists.A given inspiration toB makefun ofC entertainD discourage3 The Sun Dance is considered by manyto be the most spectacular ritual of the North American Plains Indians.A ceremonyB ancestorC sceneD costume4 Rival traditions of actinghave coexisted in Western theater since antiquity.A MyriadB RudimentaryC StylisticD Conflicting5 Scientists routinely dealwith concepts such as uncertainty, probability,and hypothesis.A reluctantlyB carefullyC commonlyD occasionally6 The first watermill was horizontaland resembled a rudimentary turbine.A a flatB arustyC an unconventionalD an unsophisticated7 Eyespots,the most rudimentaryeyes,are found in protozoan flagellates,flatworms,and segmented worms.A hostile-lookingB perceptiveC primitiveD strangely formed8 Extending from Quebecto Alabama,theAppalachian Mountain region is extensive and very scenic.A vastB rusticC fertileD picturesque9 In times of economicdifficulty,corporate budgets for research and development are often slashedbefore any others.A shiftedB cutC examinedD presented10 Hoof-and-mouth disease waseliminated in the United States by slaughtering affected herdsof cattle.A isolatingB testingC vaccinatingD killing11 The gar is a fish with a long, slenderbody and scales as hard as flint.A flatB straightC slimD fragile12 The earliest kind of desk was a boxthat had a sloping lid,under which there was storage space for writingmaterials.A a sturdyB apolishedC an inclinedD an adaptable13 Their sole fault was afailure to recognize all the factors involved.A maximumB usualC initialD only14 Generally,a material with a sourtaste,such as vinegar or lemon juice,contains an acid.A a tartB anoilyC a fruityD a bland15 A writer's attempts to reproduce folkspeech can be an asset to the historian of pronunciationA wisdomB languageC traditionsD beliefs。
职称英语考试《理工类》模拟试题及答案0510-1001、We are certain that he will get over his illness.【单选题】A.sureB.happyC.surprisedD.excited正确答案:A答案解析:题干大意:我们确定他会熬过他的疾病。
画线词certain:肯定的。
选项中,sure:肯定,替换后句法上也是合格的。
happy:高兴的。
如:She is a very happy woman. 她是一个非常幸福的女人。
surprised:惊奇的。
如:You might be surprised to learn that trees generate small amounts of electricity. 你也许会对树木可以产生小量电流一事感到惊讶。
excited:兴奋的。
如:People tremble when they are cold, excited or full of fear. 人们在寒冷、激动或恐惧的时候,身体会发抖。
2、The Threat to KiribatiThe people of Kiribati are afraid that one day in the not-too-distant future, their country will disappear from the face of the earth-literally. Several times this year, the Pacific island nation has been flooded by a sudden high tide. These tides, which swept across the island and destroyed houses, came when there was neither wind nor rain. "This never happened before," say the older citizens of Kiribati.What is causing these mysterious high tides? The answer may well be global warming. When fuels like oil and coal are beingburned, pollutants (污染物) are released. These pollutants trap heat in the earth's atmosphere. Warmer temperatures cause water to expand and also create more water by melting glaciers (冰川) and polar (极地的) ice caps.If the trend continues, scientists say, many countries will suffer, Bangladesh, for example, might lose one-fifth of its land. The coral (珊瑚) island nations of the Pacific, like Kiribati and the Marshall Islands, however, would face an even worse fate-they would be swallowed by the sea. The loss of these coral islands would be everyone's loss. Coral formations are home to more species than any other place on earth.The people of these nations feel frustrated. The sea, on which their economies have always been based, is suddenly threatening their existence. They don't have the money for expensive technological solutions like seawalls. And they have no control over the pollutants, which are being released mainly by activities in large industrialized countries. All they can do is to hope that industrialized countries will take steps to reduce pollution.The coral island nations of the Pacific have a long history of civilization.【单选题】A.RightB.WrongC.Not mentioned正确答案:C答案解析:题干大意:太平洋的珊瑚岛国有很长的文明历史。
全国职称英语等级考试真题及答案理工类全国职称英语等级考试真题及答案理工类(B级)第1部分:词汇选项(第1-15题,每题1分,共15分)下面每个句子中均有1个词或短语划有底横线,请为每处划线部分确定1个意义最为接近的选项。
1 Marsha confessed that she know nothing of computer.A hopedB answeredC admittedD reported2 We need to extract the relevant financial data.A storeB saveC reviewD obtain3 Mr. Henley has accelerated his sale of shares over the past year.A heldB increasedC expectedD offered4 The police believe the motive for the murder was jealousy.A choiceB ideaC decisionD reason5 The high-speed trains can have major impact on our livesA effortB problemC influenceD concern6 His shoes were shined to perfection.A clearedB washedC mendedD polished7 We explored the possibility of expansion at the conference.A offeredB includedC investigatedD accepted8 The study also notes a steady decline in the number of college students taking science courses.A continuousB relativeC generalD sharp9 Anderson left the table,remarking that he had some work to do.A sayingB doubtingC thinkingD knowing10 We have to act within the existing legal framework.A limitB systemC procedureD status11 She always finds fault with everything.A simplifiesB evaluatesC examinesD criticizes12 The view from my bedroom window was absolutely spectacular.A magnificentB generalC traditionalD strong13 At that time,we did not fully grasp the significance of what had happened.A giveB understandC attachD lose14 They converted the spare bedroom into an office.A reducedB movedC turnedD reformed15 Jane said that she couldn't tolerate the long hours.A spendB takeC lastD stand第2部分:阅读判断(第16-22题,每题1分,共7分)下面的短文后列出了7个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文中没有提及,请选择C.Lakes, Too, Feel Global WarmingThere's no doubt: In the last few decades, the average temperature on Earth has been higher than it's been in hundreds of years. Around the world, people are starting to measure the effects of global warming - and trying to figure out what to do about it.Scientists recently used satellites to study the temperatures of lakes around the world, and they found that lakes are heating up.Between 1985 and , satellites recordedthe nighttime temperatures of the surfaces of 167 lakes. During those 24 years, the lakes got warmer - by an average of about 0.045 degree Celsius per year.In some places, lakes have been warming by as much as 0.10 degree Celsius per year. At that rate, a lake may warm by a full degree Celsius, or 1.8 degrees Fahrenheit, in just 10 years. That difference may seem small - you might not even notice it in your bathtub. But in a lake, slightly warmer temperatures could mean more algae, and algae can make the lake poisonous to fish.The study shows that in some regions, lakes are warming faster than the air around them. This is important because scientists often use measurements of air temperature to study how the Earth is warming. By using lake temperatures as well, scientists can get a better picture of global warming.The scientists say data on lakes give scientists a new way to measure the impact of climate change around the world.That's going to be useful, since no country is too big or too small to ignore climate change. Scientists aren't the only ones concerned. Everyone who lives on Earth is going to be affected by therapidwarming of the planet.Many world leaders believe we might be able to do something about it, especially by reducing the amount of greenhouse gases we put into the air.That's why the United Nations started the Framework Convention on Climate Change, or UNFCCC. Every year the convention meets, and representatives from countries around the world gather to talk about climate change and discuss global solutions to the challenges of a warming world.16 Scientist have been keeping records of lake temperatures for over 30 years.A RightB WrongC Not mentioned17 The temperatures of lakes around the world have increased greatly between 1985 and .A RightB WrongC Not mentioned18 Lakes seem to be warming faster in Asia.A RightB WrongC Not mentioned19 A slight temperature increase in a lake could be harmful to fish.A RightB WrongC Not mentioned20 Scientists generally focus on air temperatures when studying global warming.A RightB WrongC Not mentioned21 Globle warming is less threatening to small countries.A RightB WrongC Not mentioned22 UNFCCC's annual meeting will be held in Mexico this year.A RightB WrongC Not mentioned第3部分:概括大意与完成句子(第23~30题,每题1分,共8分)下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第2~5段每段选择1个最佳标题;(2)第27~30题要求从所给的6个选项中为每个句子确定一个最佳选项。
【经典资料,WORD文档,可编辑修改】
【经典考试资料,答案附后,看后必过,WORD文档,可修改】
2015年职称英语等级考试理工类A级试题及答案
第l部分:词汇选项(第1~15题,每题1分,共15分)
下面共有15个句子,每个句子中均有1个词或短语画有底横线,请从每个句子后面所给的4个选项中选择1个与画线部分意义最相近的词或短语。
请将答案涂在答题卡相应的
位置上。
1 The dentist has decided to extract her bad tooth.
A take out
B break off
C push in
D dig up
2 The economy continued to exhibit signs of decline in September.
A play
B show
C send
D tell
3 This table is strong and durable.
A long-lasting
B extensive
C far-reaching
D eternal
4 He endured great pain before he finally expired.。
职称英语《理工类》模拟题带答案Earthquake1.Every year earthquakes are responsible for a large number of deaths and a vast amount of destruction in various parts of theworld.Most of these damaging earthquakes occur either in a narrow belt which surrounds the Pacific Ocean or in a line which extends from Burma to the Alps in Europe.Some of the destruction is directly caused by the quake itself.An example of this is the collapse of buildings as a result of the quake itself.Other damage results from landslides or major fires which are initiated by the quake.2.There are about a million quakes ayear.Fortunately,however,not all of them are destructive.The intensityof an earthquake is measured on the Richter Scale,which goes from 0 upward.The highest scale recorded to date is 8.9.Major damage generally occurs from quakes ranging upwards from 6.0.3.The actual cause of the quake itself is the breaking of rocks at or below the earth's surface.This is produced by pressure which scientists believe may be due to a number of reasons,two of which arethe expansion and contraction of the earth's crust and continental drift.4.In order to limit the damage and to prevent some of the suffering resulting from earthquakes,scientists are working on ways to enable accurate prediction.Special instruments are used to help people record,for example,shaking of the earth.Scientists are trying to find methods that will enable them to indicate the exact time,location and size of an earthquake.5.Certain phenomena have been observed which are believed to be the signs of imminent earthquakes.These include strange behaviors of some animals,the changes in the content of mineral water,etc.The magnetic properties of rocks may also display special pattern before major earthquakes happen.23.Paragraph 2 __________24.Paragraph 3 __________25.Paragraph 4 __________26.Paragraph 5 __________A.Earthquake's ForecastB.Historical Records of EarthquakesC.Intensities o{EarthquakesD.Cause of EarthquakesE.Indications of EarthquakesF.Damaging Earthquakes27.Not all damage during an earthquake is caused __________.28.Not all earthquakes are strong enough __________.29.Scientists have been working hard to warn people __________.30.Earthquakes can be predicted by observing __________.A.by the quake itselfB.not be preventedC.to cause damage of property and loss of livesD.of a possible earthquakeE.the unusual behaviors of some animalsF.the strong behaviors of human beings参考答案:23.C 本段简述在里氏震级表上反映出来的不同震级。
XX年职称英语试题理工类复习模拟题精选3篇A male zebra finch chirps away to himself. Suddenly he notices a female bird, nearby: He realizes he has an audience and immediately changes his song. Can the female tell the difference in his performance? Aording to a new study, the female zebra finch knows. And she prefers the special trills he creates when he sings to her. A male zebra finch changes his song when singing to a female in ways that people can barely detect. But the female finch can tell the difference.一只雄性斑胸草雀对着自己吱喳而鸣。
突然间,他注意到不远处有一只雌性斑胸草雀。
他意识到自己有了一位听众并立即改变了自己的声调。
那只雌性斑胸草雀能发现他的不同吗?根据一项新的研究结果显示,答案是可以的。
并且那只雌性斑胸草雀更喜欢当雄性斑胸草雀为她歌唱时所制造的特殊颤音。
人类很难觉察雄性斑胸草雀对着雌性斑胸草雀鸣叫时所做出的改变,但是雌性胸斑草雀可以发现其中的不同。
Scientists had noticed slight variations in the songs of male zebra finches based on whether they were singing alone or whether there was a female ( and potential mate) nearby. With an audience, the males sped up the pace of their songs and controlled the notes they used.科学家们根据雄性斑胸草雀是否在单独歌唱或者根据其周围是否有一只雌性斑胸草雀(潜在配偶)在场,发现了他们歌声中的略微不同。
理工类职称英语试题及答案理工类职称英语试题及答案第1部分:词汇选项(第1~15题,每题1分,共15分)下面每个句子中均有1个词或短语划有横线,请为每处划线部分确定1个意义最为接近的选项。
1 I'd very much like to know what your aim in life isA thoughtB ideaC goalD plan2 The policemen acted quickly because lives were at stake.A in dangerB in difficultyC in despairD out of control3 Practically all animals communicate either through sounds or through soundless codes.A CertainlyB ProbablyC AlmostD Absolutely4 Mary rarely speaks to Susan.A slowlyB seldomC weaklyD constantly5 I'm working with a guy from London.A teacherB studentC friendD man6 You'd better put these documents in a safe placeA darkB secureC guardedD banned7 The courageous boy has been the subject of massive media coverageA extensiveB continuousC instantD quick8 The town is famous for its magnificent buildingsA high-riseB modernC ancientD splendid9 The great change of the city astonished all the visitorsA surprisedB scaredC excitedD moved10 Jack packed up all the things he had accumulated over the last ten yearsA futureB farC pastD near11 Would you please call my husband as soon as possible?A visitB phoneC consultD invite12 We had a long conversation about her parents.A speechB questionC talkD debate13 The chairman proposed that we stop the meetingA statedB announcedC demandedD suggested14 Obviously these people can be relied on in a crisisA lived onB depended onC believed inD joined in15 There is always excitement at the Olympic Games when an athlete breaks a recordA beatsB maintainsC matchesD tries第2部分:阅读判断(第16~22题,每题1分,共7分)下面的短文后列出了7个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文中没有提及,请选择C.Importance of Children's Oral HealthFebruary is National Children's Dental (牙齿的)Health Month,but in children good oral care is critical every day. The first comprehensive study on the nation's oral health,released recently by the Office of the U.S. Surgeon General,calls dental and oral disea ses a “silent epidemic (流行病),” even in children. The report states that more than 51 million school hours are lost each year to dental-related illness. In fact,a recent study pointed to dental care as the most common unmet health need among American children.To help counter this,the American Academy of Periodontology (牙周病学)(AAP)is launching an effort to educate children and parents about the prevention of dental diseases in children.“This is important because oral problems can impact self-esteem for children and lead to problems of eating,speaking and attending to learning,” said Michael McGuire,president of the AAP.Common dental problems seen in children are cavities (龋洞)and gingivitis (龈牙),which are found in the majority of U.S. children. “When these pr oblems are not caught early and treated,they can develop into more severe problems and cause unnecessary suffering,” said McGuire “However,much of the time,oral problems are avoidable problems.”In the Rio Grande Valley in Texas,a group of more than 120 dentists volunteers to deliver dental care to thousands of low-income children each year with its Mobile Dental Unit that travels from school to school.“According to the Surgeon General's Report,about 37 percent of children have not had a dental visit before starting school,” said McGuire. “When children don't see dentists theymiss the opportunity to have problems caught early before they develop into larger,more expensive problems to treat,and parents miss the opportunity to learn how to promote good oral habits in their children.”16 Only in February should attention be paid to children's oral healthA RightB WrongC Not mentioned17 Dental and oral diseases are common in both adults and childrenA RightB WrongC Not mentioned18 Boys miss more school hours each year due to dental-related illnessA RightB WrongC Not mentioned19 Oral problems in children can develop into more severe problems.A RightB WrongC Not mentioned20 Oral problems can not be avoided in any wayA RightB WrongC Not mentioned21 The low-income children are very grateful to the dentists.A RightB WrongC Not mentioned22 Some children have never seen a dentist before starting school.A RightB WrongC Not mentioned第3部分:概括大意与完成句子(第23~30题,每题1分,共8分)下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段1选择个最佳标题;(2)第27~30题要求从所给的6个选项中为每个句子确定1个最佳选项。
职称英语考试《理工类》模拟试题及答案0510-601、Meet Your MemoryMemory is something that cannot be seen, touched or weighed. It is thought to be abstract. It is a set of skills rather than an object. Neither is there a single standard for judging a good or poor memory. There are a number of different ways in which a person may have a "good" memory.Memory is generally viewed as consisting of three stages: (1) acquisition refers to learning the material; (2) storage refers to keeping the material in the blain until it is needed; and (3) retrieval (提取) refers to getting the material back out when it is needed.Memory consists of at least two different processes: short-term memory and long-term memory. Short-term memory has a limited capacity and a rapid forgetting rate. Its capacity can be increased by chunking (组成大块), or grouping separate bits of information into larger chunks. Long-term memory has analmost unlimited capacity.One measure of memory is recall, which requires you to produce information by searching the memory for it. In aided recall, you are given cues (提示) to help you produce the information. In free-recall learning, you recall the material in any order; in serial learning, you recall it in the order it was presented; and in paired-associate learning, you learn pairs of words so that when the first word is given, you can recall the second word. A second measure of memory is recognition in which you do not have to produce the information from memory, but must be able to identify it when it is presented to you. In a third measure of memory, relearning, the difference between how long it took to learn the material the first time and how long it takes to learn it again indicates how much you remember. Relearning is generally a more sensitive measure of memory than is recognition because relearning shows retention (保持) while recognition does not. Recognition is generally a more sensitive measure than recall.As a measure of memory, relearning is more sensitive than ______.【单选题】A.short-term memoryB.relearningC.neededD.codedE.recognitionF.slow forgetting rate正确答案:E答案解析:根据题干线索词relearning和sensitive定位原文至第四段倒数第二句:Relearning is generally a more sensitive measure of memory than is recognition...,题干对该句进行同义改写,由此推断,画线部分即为所需添加成分。
职称英语考试《理工类》模拟试题及答案0510-601、Meet Your MemoryMemory is something that cannot be seen, touched or weighed. It is thought to be abstract. It is a set of skills rather than an object. Neither is there a single standard for judging a good or poor memory. There are a number of different ways in which a person may have a "good" memory.Memory is generally viewed as consisting of three stages: (1) acquisition refers to learning the material; (2) storage refers to keeping the material in the blain until it is needed; and (3) retrieval (提取) refers to getting the material back out when it is needed.Memory consists of at least two different processes: short-term memory and long-term memory. Short-term memory has a limited capacity and a rapid forgetting rate. Its capacity can be increased by chunking (组成大块), or grouping separate bits of information into larger chunks. Long-term memory has an almost unlimited capacity.One measure of memory is recall, which requires you to produce information by searching the memory for it. In aided recall, you are given cues (提示) to help you produce the information. In free-recall learning, you recall the material in any order; in serial learning, you recall it in the order it was presented; and in paired-associate learning, you learn pairs of words so that when the first word is given, you can recall the second word. A second measure of memory is recognition in which you do not have to produce the information from memory, but must be able to identify it when it is presented to you. In a third measure of memory, relearning, the difference between how long it took to learn the material the first time and how long it takes to learn it again indicates how much you remember. Relearning is generally a more sensitive measure of memory than is recognition because relearning shows retention (保持) while recognition does not. Recognition is generally a more sensitive measure than recall.As a measure of memory, relearning is more sensitive than ______.【单选题】A.short-term memoryB.relearningC.neededD.codedE.recognitionF.slow forgetting rate正确答案:E答案解析:根据题干线索词relearning和sensitive定位原文至第四段倒数第二句:Relearning is generally a more sensitive measure of memory than is recognition...,题干对该句进行同义改写,由此推断,画线部分即为所需添加成分。
而E选项recognition属于原文复现,故E为正确答案。
2、What Is the Coolest Gas in the Universe?What is the coldest air temperature ever recorded on the Earth? Where was this low temperature recorded? The coldest recorded temperature on Earth was - 91℃, which _____ in Antarctica (南极洲) in 1983.We encounter an interesting situation when we discuss temperatures in space.Temperatures in Earth orbit actually range from about +120℃to - 120℃. The temperature depends upon whether you are in direct sunlight or shade. Obviously, -120℃is colder than our body can safely endure. Thank NASA science for well, de signed space suits that protect astronauts from these temperature extremes.The space temperatures just discussed affect only our areal of the solar system. Obviously, it is hotter closer to the Sun and colder as we travel away from the Sun. Astronomers estimate temperatures at Pluto are about - 210℃. How cold is the lowest estimated temperature in the entire universe? Again, it depends upon your location. We are taught it is supposedly impossible to have a temperature below absolute zero, which is - 273℃, at which atoms do not move. Two scientists, whose names are Cornell and Wieman, have successfully cooled downa gas to a temperature barely above absolute zero. They won a Nobel Prize in Physics in 2001 for their work, not a discovery, in this case.Why is the two scientists' work so important to science?In the 1920s, Satyendra Nath Bose was studying an interesting theory about special light particles we now call photons (光子). Bose had trouble convincing other scientists to believe his theory, so he contacted Albert Einstein. Einstein's calculations helped him theorize that atoms would behave as Bose thought—but only at very cold temperatures.Scientists have also discovered that ultra - cold(超冷) atoms can help them make the world's atomic clocks even more accurate. These clocks are so accurate today they would only lose one second every six million years! Such accuracy will help us travel in space because distance is velocity times time 4 ( d = v×t). With the long distances involved in space travel, we need to know time as accurately as possible to get accurate distance. 【单选题】A.operated。