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1、大学英语四级试练习卷一、阅读理解The United States is on the verge of losing its leading place in the worlds technology. So says more than one study in recent years. One of the reasons for this decline is the parallel decline in the number of U.S. scientists and engineers. Since 1976,employment of scientists and eng
2、ineers is up 85 percent. This trend is expected to continue. However, the trend shows that the number of 22-year-olds-the near term source of future PH.D.s-is declining. Further adding to the problem is the increased competition for these candidates from other fields-law,medicine,business,etC. While
3、 the number of U.S. PH.D.s in science and engineering declines,the award of PH.D.s to foreign nationals is increasing rapidly. Our inability to motivate students to pursue science and engineering careers at the graduate level is compounded because of the intense demand industry has for bright Bachel
4、ors and Masters degree holders. Too often, promising PH.D.candidates, confronting the cost and financial sacrifice of pursuing their education,find the attraction of industry irresistible.1.The U.S.will come to lose its leading place in technology probably because _.A. the number of PH.D. degree hol
5、ders is declining B. the number of scientists and engineers is decreasingC. the number of 22-year-ilds is declining D. scientists and engineers are not employed2.The field of science and engineering is facing a competition from _ .A. technology B. foreign nationals C. such fields as law, medicine an
6、d business D. postgraduates3.Large-scale enterprises now need _.A. bright graduates and postgraduates B. new inventions C. advanced technology D. engineers4.Many promising postgraduates are unwilling to pursue a PH.D. degree because _.A. they are not encouraged to be engaged in science B. industry d
7、oes not require PH.D. holders C. they have financial difficulties D. they will spend much time and energy completing PH.D.5.PH.D. candidates find the attraction of industry irresistible means that _.A. they find industry is attracting more and more college studentsB. they dont think they can prevent
8、 themselves from working for industryC. they cannot resist any attraction from all sidesD. they cannot work for industry any longer二、完型填空完型填空（一）If you were to begin a new job tomorrow, you would bring with you some basic strengths andweaknesses. Success or (1) in your work would depend, to (2) great
9、 extent, (3) your ability to use yourstrengths and weaknesses to the best advantage. (4) the utmost importance is your attitude. A person (5)begins a job convinced that he isnt going to like it or is (6) that he is going to ail is exhibiting aweakness which can only hinder his success. On the other
10、hand, a person who is secure (7) his belief thathe is probably as capable (8) doing the work as anyone else and who is willing to make a cheerfulattempt (9) it possesses a certain strength of purpose. The chances are that he will do well.(10) the prerequisite skills for a particular job is strength.
11、 Lacking those skills is obviously aweakness. A book-keeper who cant add or a carpenter who cant cut a straight line with a saw (11)hopeless cases.This book has been designed to help you capitalize (12) the strength and overcome the (13) that youbring to the job of learning. But insgroupsto measure
12、your development, you must first (14) - stock ofswheres you stand now. (15) - we get further along in the book, well be (16) - in some detail withspecific processes for developing and strengthening (17) - skills. However, (18) - begin with, youshould pause (19) - examine your present strengths and w
13、eaknesses in three areas that are critical toyour success or failure in school: your (20) -, your reading and communication skills, and your studyhabits.1.A.improvement B.victory C. failure D. achievement2.A.a B.the C. some D. certain3.A.in B.on C. of D. to4.A.Out of B.Of C. To D. Into5.A.who B.what
14、 C. that D. which6.A.ensure B.certain C. sure D. surely7.A.onto B.on C. off D. in8.A.to B.at C. of D. for9.A.near B.on C. by D. at10.A.Have B.Had C. Having D. Had been11.A.being B.been C. are D. is12.A.except B.but C. for D. on13.A.idea B.weakness C. strength D. advantage14.A.make B.take C. do D. gi
15、ve15.A.as B.till C. over D. out16.A.deal B.dealt C. be dealt D. dealing17.A.learnt B.learned C. learning D. learn18.A.around B.to C. from D. beside19.A.to B.onto C. into D. with20.A.intelligence B.work C. attitude D. weakness完型填空（二）The rocket engine, with its steady roar like that of a waterfall or
16、a thunderstorm, is an impressive symbol of the new space age.Rocket engines have 1 powerful enough to shoot astronauts 2 the earths gravitational pull and 3 them on the moon.We have now become 4 space.Impressive and complex 5 it may appear, the rocket, which was 6 in China over 800 years 7 , is a relatively simple device.Fuel that is 8 in the rocket engin
