职称英语等级考试试题答案及题解理工类(A级)(3)

1、职称英语等级考试试题答案及题解理工类（A级）36 What is the benefit of the revolution mentioned in the first paragraph?A With a flip of swish . electricity can be transmitted .B Other America n cities can ben efit from the high-performanee cables .C Great amounts of power can be conserved D Detroit will first receive elec

2、tricity transmitted by the new electrical cables37 Compared to comm on electrical conductors , superc on ductorsA have little or no electrical resista nee B Can be used for along time C are not energy-efficient D can be made easily 38 At what temperature does the superc on ducting ceramic lose its r

3、esista nee?A-143 degree Celsius .B 一 263 degree Celsius C As long as it is ice-cold .D Absolute zero .39 What element enables the ceramic tape to lower its temperature?A Copper.B Liquid nitrogenC Clay D Calcium .40 According to the last paragraph f which of the following statements is NOT true?A Oth

4、er cities hope they Can also conserve power .B Other cities hope they Can use superc on ducting cables soon C Superconductors waste less power because of their low resistance D The Fribie experiment is not successful 第二篇/RBThe Science of the FutureUntil recently z thenscience of the futurenwas suppo

5、sed to be electronics and artificialintelligence . Today it seems more and more likely that the next great breakthroughs intechnology will be brought through a combination Of those two sciences with organic chemistryand gen etic engin eeri ng This combi nation is the science of biotechnology Organic

6、 chemistry enables us to produce marvelous synthetic（合成日勺）materials . However;it is still difficult to manufacture anything that has the capacity of wool to con serve heat and alsotO absorb moisture . Not hi ng that we have bee n able to produce so far comes anywhere near thecombi nation of st re ng

7、th light ness and flexibility that we find in the bodies of ordinary insects .Nevertheless . scientists in the laboratory have already succeeded inngrowingna materialthat has many of the characteristics of human skin Thenext step may well bebiotech hearts andeyeswhich can replace diseased organs in

8、human beings . These will not be rejected by the body,as is the case with organs from humans The application of biotechnology to energy production seems even more promising In 1996the famous scienee fiction writer, Arthur C . Clarke，many of whose previous predictions havecome trueo said that we may

9、soon be able to develop remarkably cheap and renewable sources ofenergy Some of these power sources will bebiological . Clarke and others have warned usrepeatedly that sooner or later we will have to give up our dependence on non-renewable powersources .Coal ,oil and gas are indeed convenient .Howev

10、er， using them also means creatingdangerously high levels of pollution It will be impossible to meet the growing dema nd forenergy without increasing that pollution to catastrophic（灾 难性的）levels unless we developpower sources that are both cheaper and cleaner It is attempting to think that biotechnol

11、ogy or some other science of the future1 can solveour problems Before we surrender to that temptation we should remember nuclear power Only afew generations ago it seemed to promise limitless , cheap and safe energy . Today those promiseslie buried in a concrete grave in a place called Chernobyl , i

12、n the Ukraine Biotechnology isunlikely however, to break its promises in quite the same or such a dangerous way 41 According to the passage , the science of the future is likely to beA electronics .B biotechnology C genetic engineering D nuclear technology 42 Organic chemistry helps to produce mater

13、ials that areA as good as wOOl.B as good as an in sects body C not as good as natural materials D better than natural materials .43 According to the . passage z it may soon be possibleA to make something as good as human skin B to produce drugs without side effects C to transplant human organs D to

14、make artificial hearts and eyes .44 In 1996. Arthur C Clarke predicted thatA biological power sources would be put into use soon B oil z gas and coal could be repeatedly used in the future C dependenee on non-renewable power sources would be reduced soonD the Chernobyl disaster would happen in two y

15、ears .45 What do we learn from the last paragraph?A Biotechnology can solve all our future energy problems .B Biological power is cheaper than nuclear power C Biological power may not be as dangerous as nuclear powerD Biological power will keep all its promises .第5部分：补全短文（B 46-50题，每题2分，共10分）阅读下面的短文，

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