大学英语英语四级练习卷及答案 (4).docx

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1、大学英语四级考试练习卷一、阅读理解Passage 1Who KnowsSince no one knows what scientific discoveries will be made between now and the year A. D. 2000, each of us can make his own predictions.Our prophecies （预言）need not be completely wild guesses. We know science has moved forward rapidly in the past 50 years and will

2、continue to do so. If we allow our imaginations to be guided by known research, our prophecies need not be sheer fantasy. We dont have to go so far as to predict that there will be invasion by men from Mars, or that all food and nourishment will be taken in capsule form, or that mechanical men will

3、roam the world.With the scientific information that we have available now, lets make an estimate of progress in air travel. It is likely that within 50 years we shall travel through the air at a speed of 10, 000 miles per hour. Too fast? Not at all. Jet-propelled planes can now travel at least 1, 00

4、0 miles an hour, and jet planes will be outmodedshortly by guided missiles.The X_15 rockets speed in 1961 was 3, 690 miles per hour, and scientists are hoping to double and even triple this speed. They will accomplish this speed-up, because there is no apparent scientific obstacle to prevent it.23.

5、From the fact that in some developed countries smoking is now more common among teenage girls than boys, we can predict that in the days to come,.A. women will have the same diseases as menB. more women may suffer from smoking than menC. the smoking rates among men and women will dropD. the teenage

6、girls today may give up smoking when they are grown-ups 24. All of the following statements are the effects of smoking on women EXCEPT thatA. the death rates of the women and men who are smoking are in similar proportionB. smoking causes the same diseases in women as in menC. in the past 20 years, d

7、eath rates in women from lung cancer have more than doubledD. smoking is responsible for 30 percent of all cancer deaths among women 25. In the phrase lethal stroke”, the word lethal most probably means.A. causing deathB. causingdiscomfortC. causing poor healthD. causing anxietyPassage 4The men who

8、race the cars are generally small, with a tight, nervous look.They range from the early 20s to the middle 40s, and it is usually their nerves that go first.Fear is the drivers constant companion, and tragedy can be just a step behind. Scarcely a man in the 500 does not carry the scars of ancient cra

9、shes. The mark of the plastic surgeon is everywhere, and burned skin is common. Sometimes a driver5 s scars are invisible, part of his heritage. Two young drivers, Billy Vukovich and Gary Bettenhausen, raced in their first 500 in 1968. Less than 20 years before, their fathers also competed against o

10、ne another on the Indy track一and died there.All this the drivers accept. Over the years, they have learned to trust their own techniques, reflexes, and courage. They depend, too, on a trusted servant一scientific engineering. Though they may not have had a great deal of schooling (an exception is New

11、Zealands Bruce McLaren, who has an engineering degree), many drivers are gifted mechanics, with a feeling for their engines that amount to kinship.A few top drivers have become extremely wealthy, with six-figure incomes from prize money, endorsements, and jobs with auto-product manufacturers. Some h

12、ave businesses of their own. McLaren designs racing chassis (底 盘). Dan Gurneys California factory manufactured the chassis of three of the first four ears in the 1968 Indy 500, including his own second place car.Yet money is not the only reason why men race cars. Perhaps it isnt eventhe major reason

13、. Three-time Indy winner(1961, 1964, 1967) A. J. Foyt, for example, can frequently be found competing on dirty tracks in minor-league races, where money, crowds and safety features are limited, and only the danger is not. Why does he do it? Sometimes Foyt answers, Its in my blood. Other times he say

14、s, Its good practice. Now and then he replies, Dont ask dumb questions. 26. The statement it is usually their nerves that go first” means.A. at first they all have a nervous lookB. they often find they can t bear the tension even if they are in good conditionC. someday they find they can t make resp

15、onses to any riskD. they can continue their career at most until the middle 40s27. It can be inferred that a car accident is often coupled with.A. a plastic surgeonB. acompanionC. a riskD. afire28. The invisible scars of the drivers mentioned in the second paragraph refers to.A. the regrets left by

16、their fathersB. the fears left by their fathersD. the heritage leftC. the cars left by their fathersby their fathers29. Bruce McLaren is different from most of the drivers in that.A. he himself designs chassisB. he has anengineering degreeC. he manufactures chassisD.he is a giftedmechanic30. A. J Fo

17、yt often takes part in minor-league races forB. bloodD. enjoymentA. prize money testC. cheers from the crowd二、完型填空完型填空（一）Exercise is good for you, but most people really know very little about how to exercise properly. 1 when you try, you can runsintostrouble. Many people 2 that when specific muscle

18、s are exercised, the fat in the neighbouring area is 3 up” . Yet the 4 is that exercise burns fat from all over 5 . Studies show muscles which are not 6 lose their strength very quickly. To regain it needs 48 to 72 hours and exercise every other day will 7 a normal level of physical strength. To 8 w

19、eight you should always “work up a good sweat“ when exercising. 9 sweating only 10 bodytemperature to prevent over heating. This is 11 water loss. 12 You replacethe liquid, you replace the 13 . Walking is the best and easy-to-do exercise. It helps the circulation of blood 14 the body, and has a dire

20、ct 15 on your overall feeling of health. Experience says that 20 minutes 16 17 is minimun amount. 18 your breathing doesn? t return to normal state within minutes after you finish 19 , you ve done 20 . LA. While B. When C. As D. So2. A. understand B.believe C.hope D.know3. A. built B. burned C. pile

21、d D. grownC.truth D. reason4. A. reply B.possiblility5. A. arm B. leg C. stomach D. bodyC.protected D.cured6. A. exercised B. examined7. A. lose B. raise C. burn D. keep8. A. lose B. gain C. keep D. burn9. A. Certainly B. No C. Fortunately D. Probably10. A. raises B.reduces C. destroys D.keeps upILA

22、. how B. why C. nothing but D. more than12. A. While B. Once C. As D. Whenever13. A. weight B. muscle C. sweat D.strength14. A. over B. around C. throughout D. with15. A. effect B. use C. usage D. affect16. A. education B.sleep C.exercise D.rest17. A. one day B. a day C. everyday D. someday18. A. Bu

23、t if B. But C. If D. And if19. A. working B.walking C.exercising D.breathing20. A. enough B. much C. too much D. much too 完型填空（二）Have you ever wondered what our future is like?Practically all people _1_ a desire to predict their future_2_. Most people seem inclined to _3_ this task using causal reas

24、oning. First we _4_ recognize that futurecircumstances are _5_ caused or conditioned by present ones. We learn that getting an education will _6_how much money we earn later and that swimming beyond the reef may bring an unhappy _7_ with a shark. Second,people also learn that such _8_ of cause and e

25、ffect are probabilistic （可能的）in nature. Thatis, the effects occur more often when the causes occur than when the causes are _9_, butnotalways. Thus, students learn that studying hard _10_ good grades in most instances,but not everytime. Science makes these concepts of causality and probability more

26、_11_ and provides techniques fordealing _12_ then more accurately than does causal human inquiry. In looking at ordinary humaninquiry, we need to _13_ between prediction and understanding. Often, even if we dont understandwhy, we are willing to act _14_ the basis of a demonstrated predictive ability

27、. Whatever the primitivedrives _15_ motivate human beings,satisfying them depends heavily on the ability to_16_futurecircumstances. The attempt to predictis often played in a _17_ of knowledge and understanding. If youcanunderstand why certain regular patterns _18_, you can predict better than if yo

28、u simply observe thosepatterns. Thus, human inquiry aims 19 answering both what and why question, and we pursue these_20_ by observing and figuring out.1. Aexhibit Bexaggerate Cexamine Dexceed2. Acontexts Bcircumstances Cinspections Dintuitions3. Aunderestimate Bundermine Cundertake Dundergo4. Aspec

29、ially Bparticularly Calways Dgenerally5. Asomehow Bsomebody Csomeone Dsomething6. Aenact Baffect Creflect Dinflect7. Ameeting Boccurrence Cencounter Dcontact8. Apatterns Bdesigns CarrangementsDpictures9. Adisappointde Babsent Cinadequate Dabsolute10. Acreates Bproduces Closes Dprotects11. Aobscure B

30、indistinct Cexplicit Dexplosive12. Afor Bat Cin Dwith13. Adistinguish Bdistinct Cdistort Ddistract14. Aat Bon Cto Dunder15. Awhy Bhow Cthat Dwhere16. Apredict Bproduce Cpretend Dprecede17. Acontent Bcontact Ccontest Dcontext18. Ahappen Boccur Coccupy Dincur19. Aat Bon Cto Dbeyond20. Apurposes Bambit

31、ions Cdrives Dgoals三、翻译1、他用所有的积蓄为儿子买了一辆自行车。(savings)2、中央电视台新闻节目为我们学习英语提供了实践机会。(give practice)3、农民们如果要摆脱贫困还有许多事情要做。(get rid of)4、老师已经找到打破怀特太太家玻璃窗的那个学生。(find out)5、报纸的新闻板块是我们获知每日重要新闻的地方。(learn from)参考答案：一、阅读理解：I. Y 2. N 3. Y 4. N 5. Y 6. N 7. NG8. hydroponics 9. purifying sea water 10.transmitting com

32、munications across the globeII. A 12. F 13. 014. G 15. K 16. C 17. N 18. E 19.D20. M 21. C 22. A 23. B 24. C 25. A 26. B 27. D 28.A29. B 30. D二、完型填空完型填空(一)1 .【答案】D因为大部分人不知道如何正确锻炼，所以，人们在训炼时常会遇 到麻烦。句中you表示泛指。2 .【答案】C 希望“邻近的脂肪消耗掉,在此符合语境；understand, know不 合逻辑，因为，即已”明白“，就不会不符合事实真相；believe表示的是人 的得一种看法，而看法

33、有对有错。3 .【答案】B下一句中再现了 burn这一词。4 .【答案】C truth本意为“真理”，此处引申为“事实”一一指实际锻炼时 脂肪消耗的情形。余者不合文意。5 .【答案】D余者不能概全6 .【答案】A根据常识可知，“不锻炼的肌肉会很快丧失力量。7 .【答案】D根据前一句“要重新获得力量需要48到72个小时可知，每隔 一天锻炼一次可保持正常水平的体力。”8 .【答案】A本句意思是“为了一一体重，人们应该通过锻炼来出汗”。空格 处显然应该是“减少”。而不是“增加”或“保持”，更不可能是“燃烧”。9 .【答案】B表示对该节首句看法的否定。首句看法的错误性可从下文推知。10 .【答案】B根

34、据to prevent over heating可知，sweating的作用是降低 体温。11 .【答案】C loss是名词，故前面不能填连接副词how和why； more than “不只是，不合文意。本题应选nothing but,全句的意思为“这（即sweating）只是人体内水分的消耗”。12 .【答案】B意思是“一旦”，引起时间状语从句，余者不合文意。13 .【答案】A由To lose weight you should可推知，余者不在本节论及范围之内。14 .【答案】C throughout the body遍及全身。余者不合文意。15 .【答案】A have effect on

35、“对产生影响”，合乎文意，合乎搭配。16 .【答案】C本节主要讲的是锻炼形式之散步。另从最后一节中也能得到暗示。17 .【答案】B根据常识和语境可知，“每天”（而不是某一天）至少得散步20分 钟。另everyday是形容词，不能作状语。18 .【答案】A与上一句中minimum amount形成对比，if引导条件句。19 .【答案】C本节是上一节内容的继续，论述的仍是“锻炼。walking不能 概括全面，应舍去。20 .【答案】C指出原因（运动）过量。enough, much表意不清，much too后应接其它词。完型填空（二）1. A词义辨析exhibit”展出，表现“，exaggerate

36、夸张，exceed超越，胜过 原句意为：实际上，人们会对未来的生活怀有（展示出）一定的愿望。2. B 词义辨析 context上下文，circumstance环境，inspection”检查,视 察，intuition”直觉3. C 词义辨析 underestimate低估，undermine破坏，undertake”承担,担 任,undergo”经历，遭受。undertake a task为常见搭配，意为开始进行 一项任务4. D词义辨析选项C、D看似均可，但always显得有些武断。5. A篇章逻辑somehow不知何故，以某种方式Some day, certain aerodynamic

37、 （空气动力学的）problems will be overcome and missiles will be enlarged to carry at least 25 passengers. When scientists have solved all the problems of constructing and increasing the speed of apparatus-carrying missiles, their skill will lead them to the next step 一missiles for interplanetary flight. Thi

38、s prediction is a scientific possibility in the near future.Flights into outer space began when Sputnik I was launched in 1957, and man first went into space in 1961. During the late 1950s and early I960s many satellites一man-made astral bodies一orbited the earth and moon. Satellites, which will be co

39、ntrolled by men on earth, may have many beneficial uses. Perhaps scientists will discover a source of energy 100 miles above the earth. This energy could be transmitted to us as a source of power for manufacturing plants or even for our cook stoves. Or one of these missiles might serve as the medium

40、 for transmitting communications across the globe. Telephoniccommunications might be carried on by beaming waves at the missile, which would in turn beam waves at a telephone halfway across the world. The missile might be the telephonic connection, for example, between you in New York, and a friend

41、in Bangkok.Such a satellite might also be used as the transmitting medium for international television broadcasts. Programs being telecast from a Paris studio could then be seen simultaneously in every other country. This immediate6.B词义辨析enact制定法律,颁布，inflect弯曲7. C词义辨析encounter指没有事先计划的、未料到的、短暂的相遇8. A

42、词义辨析pattern模式，式样;design设计，图案;第一段中提到过人们 习惯用因果关系去推断，这是一种思考模式。9. B词义辨析absent缺少的，不在的；inadequate不充分的；根据文中意思应 选一个与occur意思相反的词。10. B词义辨析create创造produce产生，得到。原句意为学生知道努力学 习在大多数情况下会得到高的分数。11. C词义辨析obscure朦胧的,模糊的；indistinct不清楚的；explicit外 在的，清楚地;explosive爆炸 的；原句意为：科学使因果性和可能性的观念变 的更加清楚12. D 短语搭配 deal in 经营 eg:He

43、 deals in a small shop, deal with 处 理，安排13. A词义辨析distinguish区别，辨别；distinct清楚地，明显的；distort 扭曲，歪曲；distract转移。distinguish between为常用搭配，意为区别. 和.14. B短语搭配on the basis of以.为基础15. C语法结构drive在此为名词，意为“动力”，空格后部分是对drive进 行修饰，故选关系代词that引导定语从句。16. A词义辨析predict预言；pretend假装;precede在.之前17. D词义辨析content内容；contact接触；

44、contest争论，竞赛；context上 下in the context of意为在.情况下18. B词义辨析occur发生，出现;occupy占用，占领；incur招致19. A短语搭配aim at瞄准，针对20. D词义辨析purpose目的，以图；ambition野心；drive推动力；goal目的, 目标。三、翻译1、He used all his savings to buy his son a bike.21. CCTV News gives us practice in learning English.22. There is still much to be done be

45、fore the peasants can get rid of poverty.4、The teacher has found out the student who broke the window of Mrs. White s house.5、The section on news of the newspaper is where we learn important news of the day from.international transmission will surely be a development before the turn of a new century

46、.We may expect to order our clothing, groceries, and other household goods by television-phone. We prophesy that within twenty five years, our telephones will be equipped with television screens so that we can see the person at the other end of the line.Other fields of science have also made giganti

47、c （巨大的 ）strides in progress. Medicine had operated so efficiently in the past half-century that many diseases have been nearly wiped out. And more will join this disappearing group of diseases. Diabetes and polio are under control. We can hope and expect that cancer will be conquered. Certain skin diseases, like psoriasis and eczema, which are exceedingly common though not fatal, will be eradicated（消灭）.The victims of annoying diseases will lead pleasanter lives.Even the healthy will benefit from the advances in medicine. Life expectancy already had been lengthened and scientists kno