《电气工程专业英语》期末试卷B

实用文档《电气工程专业英语》期末试卷B(本试卷共四大题，满分100分，考试时间120分钟)题号二三四总分得分评卷人I.Choosethebestanswerintotheblanks.(20points)A.wireB.two-terminaldeviceC.junctioninvolvingtheconnectionoftwoormorewiresD.loopacrossitisgiven.3.Inductanceismeasuredin,abbreviatedA.henries,HB.capacitance,C4.Allresistorsarecharacterized5.Ihavedonemuchofthework.Couldyoupleasefinishintwodays?therestBtheotherCanot6.---I'msorry,butthere'snosmokingonthisflight.---Oh,Ithat.Sorry,Iwon'tagain.A.don'tknow.B.didn'tknow.C.wontknowDhaventknownA.themostinterestingB.mostinterestingC.themoreinterestingD.moreinterestingMustIgetupearlytomorrowDA.can'tB.mustn't9importantinformationitis!A.WhataB.WhatanC.HowD.What10.Hedidn'trememberhiswatch.A.wherehehadputB.wherehehasputC.wherehadheputD.wherehasheputistruerthananyother's.13、ThesimplestwayfortheoperationofadigitalcircuitismadeupofA.theclosingofaswitchB.theopeningofaswitchrepresentedby.A.AB=CB.A+B=CC.A*B=C17、Akindofmaterialwhichdoesnotallowelectricitytopassthoughit,itA.insulatorB.conductorC.semiconductor18、Anelectronicdeviceoftenusedforamplifyingvoltageandcurrent,itA.diodeB.deviceC.transistorAdevicewhichcanstopandstarttheflowofelectriccurr20、Substancewhichallowsthepassingofanelectriccurrentmoreeasilythananinsulatorbutnotsowellasaconductor,itisA.insulatorB.conductorC.semiconductor