西安交通大学17年课程考试《专业英语》作业考核试题100分答案.docx

1、西安交通大学17年课程考试专业英语作业考核试题100分答案西安交通大学17年3月课程考试专业英语作业考核试题试卷总分：100? ? ? ?测试时间：-一、单选题（共?50?道试题，共?100?分。）1. An electric heater draws 10 A from a 120V line. The resistance of the heater is _.A. 1200?B. 120?C. 12?D. 1.2? 答案:C满分：2 分2. In the root-locus method the actual time response of a system can be obtai

2、ned by means of _.A. the inverse Fourier transformB. the inverse Laplace transformC. the Fourier transformD. the Laplace transform 答案:B满分：2 分3. Some schools teach but fail to (_) their students.A. educateB. instructC. enlightenD. editorial 答案:A满分：2 分4. Finally, the teacher realized that the girl was

3、 crying _.A. because what he had saidB. because that he had saidC. because of what he had saidD. because of that he had said 答案:C满分：2 分5. We are going to have a dancing party tonight. Would you like to join us - (_) .A. Im afraid not. Because I have an appointment with my dentist tonightB. Of course

4、 not. I have no ideaC. No, I cantD. Thats all set 答案:A满分：2 分6. When John came in, she (_) her talk with Linda and talked to him.A. broke offB. called offC. carrird offD. passes out 答案:A满分：2 分7. It is reported that two cars (_) into each other this morning on the highway, killing both driver and two

5、passengers.A. crawledB. crouchedC. pressedD. crashed 答案:D满分：2 分8. A computer printer is _ device that produces computer-generated text or graphical images on paper.A. an inputB. an outputC. a storageD. a data processing 答案:B满分：2 分9. They took the injured straight to the hospital. Otherwise some of t

6、hem (_) A. might have diedB. might dieC. would dieD. could die 答案:A满分：2 分10. I _on a sofa because my parents have come for the weekend.A. sleptB. was sleepingC. have sleptD. am sleeping 答案:D满分：2 分11. Any protection scheme consists basically of _.A. two elementsB. three elementsC. four elementsD. fiv

7、e elements 答案:A满分：2 分12. Beijing is one of _ cities in China.A. largeB. largerC. the largestD. largest 答案:C满分：2 分13. We have come to a critical moment. You must take immediate (_) .A. actB. actionC. activityD. doings 答案:B满分：2 分14. 1A. B. C. D. 答案:B满分：2 分15. “Have you seen Lao Wu recently” “It looks

8、(_) he would return home tomorrow.”A. likeB. asC. as ifD. that 答案:C满分：2 分16. He studied hard in his youth, (_) contributed to his great success in later life.A. thatB. itC. whatD. which 答案:D满分：2 分17. Marys bother promised to go to London with us, but now he is considering_.A. he doesnt goB. not to g

9、oC. not goingD. not go 答案:C满分：2 分18. The DC-DC converts _ input to _ output.A. direct current, alternating currentB. direct current, direct currentC. alternating current, alternating currentD. alternating current, alternating current 答案:B满分：2 分19. The team_ by the famous Italian coach _ among the be

10、st in the league.A. to be headed; wasB. headed; wasC. being headed; wereD. having been headed; were 答案:B满分：2 分20. Bob is _ of the two boys. Mary is _ of the three girls.A. tall,shortB. taller,the shorterC. tallest,the shortestD. the taller,the shortest 答案:D满分：2 分21. In the form of _ the output is co

11、ntinuously fed back and compared with the reference input.A. continuous controlB. discontinuous controlC. discrete-data controlD. sampled-data control 答案:A满分：2 分22. (_) I do is for your good. You should know this all the time.A. All whatB. All whichC. WhicheverD. Whatever 答案:D满分：2 分23. _ that connec

12、ts at least two networks makes decision about the best route for data.A. A modemB. A network cardC. A hubD. A router（路由器） 答案:D满分：2 分24. The marine corps are (_) with the latest weapons and they are sure to fulfill the mission.A. equippedB. chargedC. guardedD. impressed 答案:A满分：2 分25. Is there anythin

13、g I can do for you, sir _.A. Sure. Go aheadB. No. Take your timeC. Yes. Youre welcomeD. Not now. Thanks anyway 答案:D满分：2 分26. There were some great national celebrations in town,_the firework (焰火) displays everywhere.A. looking atB. finding outC. at the sightD. judging by 答案:D满分：2 分27. I found (_) to

14、 answer all the questions within the time given.A. no possibilityB. there was impossibilityC. impossibleD. it impossible 答案:D满分：2 分28. Lets go by car. Its _.A. cheap a lotB. cheap muchC. more cheapD. much cheaper 答案:D满分：2 分29. Oh, sorry to bother you. - (_) .A. Thats OKB. No, you cantC. Thats goodD.

15、 Oh, I dont know 答案:A满分：2 分30. Ill make every (_) to help you.A. wayB. meansC. methodD. effort 答案:D满分：2 分31. He drives much _ than he did three years ago.A. carefulB. carefullyC. more carefulD. more carefully 答案:D满分：2 分32. There _ a meeting tomorrow afternoon.A. will be going toB. will going to beC.

16、 is going to beD. will go to be 答案:C满分：2 分33. The delay of the flights is due to (_) beyond our control.A. conditionsB. causesC. circumstanceD. inconvenience 答案:B满分：2 分34. He was then the only _among the_there.A. person asleep, people presentB. asleep person, present peopleC. person asleep, present

17、peopleD. asleep person, people present 答案:A满分：2 分35. Thank you very much for giving me so much help. - (_) .A. No thank youB. Youre welcomeC. OKD. Thanks 答案:B满分：2 分36. I think English is as _ as math.A. importantB. importanterC. more importantD. most important 答案:A满分：2 分37. Thank you ever so much fo

18、r the book you gave me. - (_) .A. No thanksB. Im glad you like itC. Yes, it is goodD. No, its not so good 答案:B满分：2 分38. Free medical treatment in this country covers sickness of mind as well as (_) sicknesses.A. normalB. regularC. averageD. ordinary 答案:D满分：2 分39. It is a pity to throw anything away

19、if it can be (_) .A. bore in mindB. learnt by heartC. kept in sightD. put to use 答案:D满分：2 分40. We go to the cinema (_) a week.A. oftenB. onceC. seldomD. usually 答案:B满分：2 分41. 1A. B. C. D. 答案:B满分：2 分42. Can you come over for dinner with us - (_)A. Id like to but I have a meeting tonightB. It doesnt m

20、atterC. No, I dont likeD. Oh, that sounds well 答案:A满分：2 分43. Tom didnt come to class yesterday. He (_) ill.A. must beB. should beC. must have beenD. should have been 答案:C满分：2 分44. The precision of ADC ( analog-to-digital conversion ) is determined by _.A. its speedB. its gainC. the accuracy of the r

21、eference voltageD. the number of binary bits 答案:D满分：2 分45. The thermal energy of the steam is converted into _ energy by the turbine.A. electricalB. mechanicalC. chemicalD. potential 答案:B满分：2 分46. _ that the left side of the human brain is responsible for logic .A. It generally is believedB. It is b

22、elieved generallyC. It is generally believedD. Generally it is believed 答案:C满分：2 分47. Most desktop computers use a separate _ as a display device, where notebook computers use a flat panel LCD screen (liquid crystal display screen) that attached to the system unit.A. keyboardB. MouseC. MonitorD. har

23、d disk 答案:C满分：2 分48. The cold weather (_) the planting by two weeks.A. set backB. set forthC. stuck upD. stuck to 答案:A满分：2 分49. He gave me money (_) advice.A. eitherB. as well asC. as wellD. also 答案:B满分：2 分50. The algebraic sum of all voltages around a loop is _.A. zeroB. indefinite valueC. sum of voltage risesD. sum of voltage drops 答案:A满分：2 分