职称英语理工类C级51真题无答案

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1、职称英语理工类 C级-51(总分100,考试时间90分钟)第1部分:词汇选项下面每个句子中均由1个词或短语划有底横线,请为每处划线部分确定1个意思最接近的选项。1. The rules are too rigid to allow for huma n error.A. in flexibleB.gen eralC. complexD. direct2. This species has n early died out because its habitat is being destroyed.A. turned deadB.passed byC. carried away D. beco

2、me ext inct3. The con tract betwee n the *pa nies will expire soon.A. shorte nB.endC. startD. resume4. Three world-class tennis players came to contend for this title.A. argueB.claimC. wishD. compete5. The methods of com muni cati on used duri ng the war were primitive.A. simpleB.reliableC. effectiv

3、eD. alter native6. Respect for life is a cardinal principle of the law.A. moralB.regularC. fun dame ntalD. hard7. The drinking water has became contaminated with lead.A. pollutedB.treatedC. testedD. corrupted8. Come out, or ni bust the door down.A. shutB. setC.breakD. beat9. She shed a few tears at

4、her daughters weddi ng.A. wipedB. injectedC.producedD. removed10. They did nt seem to appreciate the magn itude of the problem.A. existe neeB.importa neeC. causeD. situatio n11. The tower remai ns in tact ever after two hun dred years.A. unknownB.12. Ma nyexperts rema in skeptical about hisclaims.A.

5、 doubtfulBun touchedC. certa inD. sile nt13. The proposal was endorsedthe majority ofmembers.A. rejectedBsubmittedC. con sideredD. approved14. Rumorsbegan to circulateabout his financialproblems.A. sendBspreadC. hearD. con firmunu sualC. un damagedD. un stable15. The police will need to keep a wary

6、eye on this area of town.A. nakedB.cautiousC. bli ndD. private第2部分:阅读判断Califor nia Gives Gree n Light to Space Solar PowerEn ergy beamed dow n from space is one step closer to reality, now that Califor nia has give n the green light to an agreement that would see the Pacific Gas and Electric Company

7、 buy 200 megawatt (兆瓦)of power beamed dow n from solar-power satellites beg inning in 2016. But some major challe nges will have to be *ed if the tech no logy is to be used widely.A start-up company called Solaren is designing the satellites, which it says will use radio waves to beam en ergy dow n

8、to a receivi ng stati on on Earth.The attracti on of collecti ng solar power in space is the almost unin terrupted sunshine available in eosynchronous (与地球同步的 )orbit. Earth-based solar cells, by contrast, can only collect sun light during daytime and when skies are clear.But space-based solar power

9、must grapple (努力克服)with the high cost per kilogram of launching things into space, says Richard Schwartz of Purdue University in West Lafayette, Indiana, If youre talking about it being economically viable or power of the Earth, its a tough go. he says.Cal Boerma n, Solare ns director of en ergy ser

10、vices, says *pa ny desig ned its satellites with a view to keep ing launch costs dow n. We knew we had to come up with a differe nt, revolutio nary desig n, ” he says. A pate nt *pa ny has won describes ways to reduce the systems weight, in cludi ng using in flatable minors to focus sun light on sol

11、ar cells, so a smaller nu mber can collect the same amount of en ergy.But using minors introduces other challenges, including keeping the solar cells from overheat ing, says Schwartz. You have to take care of heat dissipatio n( 散发)because youre now concen trati ng a lot of en ergy in one place, he s

12、ays. Accord ing to *pa nys pate nt, Solare ns solarcells will be conn ected to radiators to help keep them cool.Though Boerman says *pany believes it can make space-based solar power work, it is not expecting to crowd out other forms of renewable energy. Laws in California and other states requirei

13、ncreas ing use of ren ewable en ergy in coming years, he poi nts out. To meet those n eeds,were going to n eed all types of ren ewable en ergy sources, he says.16. Solar-power satellites will use radio waves to beam energy down from space.A.RightB. WrongC. Not mention ed17. Solaren is going to desig

14、n 200 solar-power satellites.A. RightB.WrongC. Not men ti oned18. Space-based solar cells could collect solar power only when skies are clear.A.RightB. WrongC.Not mention ed19. One advantage of space-based solar power system is that it is economical.A.RightB. WrongC.Not mention ed20. Inflatable mino

15、rs are used to reduce the space-based solar power system.A.RightB. WrongC.Not mention ed21. Space-based solar power will rule out other forms of renewable energy sources.A.RightB. WrongC. Not mention ed22. Many countries will grant permission for the use of spaced-based solar power soon.A.RightB. WrongC. Not mention ed第3部分:概括大意与完成句子The IPad1. The iPad is a *puter (平板电脑)designed and developed by Apple. It is particularly marketed as a platform for audio and visual media such as books, periodicals (期干刊),movies, music, and games, as well as web

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