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1、大学英语四级试练习卷一、阅读理解 阅读理解（一）Courses with the numbers 800 or above are open only to graduate students.Certain courses, generally those devoted to introductory material, are numbered 400 for undergraduate students and 600 for graduate students. Courses designed for students seeking a professional degree c
2、arry a 500 number for undergraduate students and a 700 munber for graduate students. A full-time graduate student is expected to take courses which total ten to sixteen credit hours. Students holding assistantships are expected to enroll for proportionately fewer hours. A part-time graduate student
3、must register for a minimun of five credit hours.1. In order to be eligible to enroll in Mechanical Engineering 850, a student must be .A. a graduate student B. a part-time student C. a full-time student D. an undergraduate student2. If an undergraduate student uses the number 520 to register for an
4、 accounting course, what number would a graduate student probably use to register for the same course?A. accounting 520 B. accounting 620 C. accounting 720 D. accounting 820 完型填空（二）1. A词义辨析exhibit”展出,表现，exaggerate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,inspe
5、ction”检查,视 察，intuit ion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6.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
6、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 deals in a small shop, deal with 处 理，安排13. A词义辨
7、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；contest争论，竞赛；context上 下in the context of意为在.情况下“
8、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.2、 CCTV News gives us practice in learning English.3、 There is still much to be done before the peasants can get rid of poverty.4、 The
9、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.3. A student who register for eight credit hours is a.A. full-time student B. graduate student C. part-time student D. non-degree stude
10、nt4. A graduate student may not A.enroll in a course numbered 610 B. register for only one three-hour courseC. register for courses if he has an assistantship D. enroll in an introductory course 阅读理解（二）The accuracy of cientific observations and calculations is always at the mercy of the scientist，s
11、timekeeping methods. For this reason, scientists are interested in devices that give promise of more precise timekeeping. In their search for precision, scientists have turned to atomic clocks that depend on various vibrating atoms or molecules to supply their “ticking” . This is possible because ea
12、ch kind of atom or molecule has its own characteristic rate of vibration. The nitrogen atom in ammonia , for example, vibrates or ticks 24 billion times a seconD. One such atomic clock is so accurate that it wi 11 probaly lose no more than a second in 3000 years. It will be of great improtance in fi
13、elds such as astronomical is a sesium atom that vibrates 9. 2 billion times a second when heated to the temperature of boiling water. An atomic clock that operates with an ammonia molecue may be used to check the accuracy of predictions based on Einstein，s relativity theories, according to which a c
14、lock in motion and a clock at rest should keep time differently. Placed in an orbiting satellite moving at a speed of 18000 miles an hour, the clock could broadcast its time readings to a ground station, where they would be compared with the readings on a similar model. Whatever differences develop
15、would be checked against the differences predicteD.1.Scientists expect that the atomic clocks will be .A. more precise B. absolutely accurate C. more durable D.indestructible2.The heart of the atomichron is .A. acesium atom B. an ammonia molecule C.a nitrogen atom D. a hydrogen 3. From theselection,
16、 we may assume that temperature changes.A. affect only ammonia molecules B. may affect the vibration rate of atoms C. affect the speed at which atoms travel D. do not affect atoms in any way4. Identical atomic clocks may be used to checkA. the effect of outer space on an atomic clock B. the actual s
17、peed of an orbiting satelite C.the accuacy of predictions based on theories of relativity D. all of Einsteins theories5. Implied but not stated:.A. Precise timekeeping is essential in scienceB.Scientists expect to disprove Einsteins relativity theoriesC. Atomic clocks will be important in space flig
18、htD. The rate of vibration of an atom never varies 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 muscles are exercised, the fat in the neighbouring area is “ 3
19、 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 weight you should always “work up a good sweat“ when ex
20、ercising. 9 sweating only 10 bodytemperature to prevent over heating. This is 11 water loss. 12 You replace the 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 direct 15 on your overall feeling of health. Experience s
21、ays 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 .1. A. While B. When C. As D. So2. A. understand B. believe C. hope D. know3. A. built B. burned C. piled D. grown4. A.reply B. possiblility C.truth D. r
22、eason5. A. arm B. leg C. stomach D. body6. A. exercised B. examined C.protected D. cured7. 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 up11. A. how B. why C. nothing but D. more than12
23、. 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. But if B. But C. If D. And if19. A. worki
24、ng 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 reasoning. First we _4_ recognize that fu
25、turecircumstances 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 effect areprobabilistic（可能的）in nature. Tha
26、tis, the effects occur more often when the causes occur than when the causes are _9_, but notalways. Thus, students learn that studying hard _10_ good grades in most instances, but not everytime. Science makes these concepts of causality and probability more 11 and provides techniques fordealing12 t
27、hen more accurately than does causal human inquiry. In looking at ordinary humaninquiry, we need to _13_ between prediction and understanding. Often, even if we don，t understandwhy, we are willing to act _14_ the basis of a demonstrated predictive ability. Whatever the primitivedrives _15_ motivate
28、human beings, satisfying them depends heavily on the ability to_16_futurecircumstances. The attempt to predict is often played in a 17_ of knowledge and understanding. If youcan understand why certain regular patterns 18 , you can predict better than if you simply observe thosepatterns. Thus, human
29、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. Aspecially Bparticularly Calways Dgenerally5. As
30、omehow Bsomebody Csomeone Dsomething6. Aenact Baffect Creflect Dinflect7. Ameeting Boccurrence Cencounter Dcontact8. Apatterns Bdesigns CarrangementsDpictures9. Adisappointde Babsent Cinadequate Dabsolute10. Acreates Bproduces Closes Dprotects11. Aobscure Bindistinct Cexplicit Dexplosive12. Afor Bat
31、 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 Bambitions Cdrives Dgoals三、翻译1、他用所有的积蓄为儿子买了一辆自行车。
32、(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：阅读理解（一）答案：ACCB阅读理解（二）答案:AABCC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, kn
33、ow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
34、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 t
35、hroughout the body遍及全身。余者不合文意。15 .【答案】A have effect on 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。