西安交通大学《专业英语》在线作业答卷

1、西交专业英语在线作业试卷总分:100 得分:100一、单选题 (共 50 道试题,共 100 分)Can you do the work with _ money and _ people?less,fewerfewer,lesslittle,lesslest,fewest答案:A2.Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only (_)to his

2、confusion.extendedamountedaddedturned答案:C3.These are all (_) demands.reasonableavailablelogicalformal答案:A4._ carries data out to speakers and headphones, or back from a microphone.A graphics cardA modemA network cardA sound card答案:D5.A desktop computers sound card sends signals to external _.printer

3、speakerModemkeyboard答案:B6.The precision of ADC ( analog-to-digital conversion ) is determined by _.its speedits gainthe accuracy of the reference voltagethe number of binary bits答案:D7.Anne couldnt concentrate(_)what she was doing while her families were watching TV.toonforin答案:B8.A transformer is a

4、device that can convert one ac voltage to another ac voltage through the action of ( ).an electric circuita magnetic fieldan electric fielda coupling circuit答案:B9.(_) finishing his homework, he had to stay home at the weekend.Not havingHaving notBeing notHaving not being答案:A10.Lets go by car. Its _.

5、cheap a lotcheap muchmore cheapmuch cheaper答案:D11.She would make a teacher far (_) to the average.superiorbetterfavorablepopular答案:A12.The village was (_) two or three groups of simple houses, a church, a post office and a small general posed ofconsisted ofmade ofbuilt with答案:A13.It is reported that

6、 two cars (_) into each other this morning on the highway, killing both driver and two passengers.crawledcrouchedpressedcrashed答案:D14.I would die (_) marry him! she screamed.instead ofrather thanother thanmore than答案:B15.The distance protection is applied to protect _.transformersgeneratorstransmiss

7、ion linesbuses答案:C16.How much a man can earn depends (_) his skills.alongatonwith答案:C17.I like to get up early so that I can get plenty of work (_) before lunch.donebeing doneto doto be done答案:A18.Most desktop computers use a separate ( ) as a display device, where notebook computers use a flat pane

8、l LCD screen (liquid crystal display screen) that attached to the system unit.keyboardMouseMonitorhard disk答案:C19.Copper losses are _ losses in the primary and secondary windings of the transformer core.inductivecapacitiveresistivereactive答案:C20.The objective of the optimal economic operation of pow

9、er systems is _.to minimize the total production costto maintain frequency constantto maintain voltages constantto ensure balance between generation and load答案:A21.As I felt so much better, my doctor (_) me to take a holiday by the sea.suggestedconsideredadvisedinquired答案:C22.The electric machine th

10、at operates at speeds above synchronous speed works in ( ) region.motoringgeneratingpluggingstopping答案:B23.The government is taking effective measures to overcome (_) difficulties.averageradicalcurrenttypical答案:C24.Could I use your dictionary for a moment? -(_).Its wellIt doesnt mattterBy all meansI

11、 have no idea答案:C25.Her eyes were filled (_) tears.ofwithinalong答案:B26.The proposal seems quite good, but I cant easily (_) without all the facts.joinjudgesayspeak答案:B27.The teacher advised Joe to_before deciding to quit school.think aboutthink twicethink upthink over答案:B28.Good morning, Dr. Johnson

12、s office. Can I help you? - (_) .Speaking, please.Id like to make an appointment,pleaseYes, go onNo, you cant答案:B29.Marys bother promised to go to London with us, but now he is considering_.he doesnt gonot to gonot goingnot go答案:C30.She is an easy-going girl. _ you meet her, she will smile to you.As

13、EverythingWhileSince答案:B31.Professor Wang tried to(_)the two philosophers with each paredaccusedsugggestedspeak答案:A32.What would you like to have, meat or fish? - (_) .Either will doYes, I like meatYes, I like fishNo, they are not my favorite答案:A33.The ship set out for the (_) of the ocean depths.ex

14、plorationexplosionexposeexposition答案:A34.Delphi belongs to _.low-level programming languagehigh-level programming languagea programming language connected with the computer hardware behavioran assembly language答案:B35.We have come to a critical moment. You must take immediate (_) .actactionactivitydo

15、ings答案:B36.The hydropower is well suited for switching according to _ command to meet changing power needs.a consumersa usersa dispatchersan operators答案:C37.Image clarity on a computer screen is measured with _.screen sizedot pitchresolutioncolor depth答案:B38.The primary winding is connected to ( ).t

16、he power sourcethe loadthe measurement instrumentthe motor答案:A39.Have you read about the (_) of Marco Polo ?operationsadventuresknowledgestemperaments答案:B40.I _on a sofa because my parents have come for the weekend.sleptwas sleepinghave sleptam sleeping答案:D41.He drives much _ than he did three years

17、 ago.carefulcarefullymore carefulmore carefully答案:D42.I always look out when crossing the street.Youre right. You cannot be too_.nervouscarefulhurriedcareless答案:B43.图1ABCD答案:C44.Kate has some apples. Jim has _ apples than Kate. Meimei has _ of all.more,the mostthe most,moremore,mostmany,the more答案:A

18、45.Passengers on the London train are being asked to go off and (_) to another.transfertranslatetransformtravel答案:A46.The discussion (_) a wide range of subjects.coveredconveyedfilledconcluded答案:A47.They thought the program was (_) investigatingworthworthyworthwhileworthing答案:A48.After having a good holiday, they are very keen to (_) business.get alongget toget inget over答案:B49.Most desktop computers use a separate _ as a display device, where