电子英语试题

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1、LessonElevenIntegratedCircuit一、英汉互译１．_____________________集成电路2．transistor—transistorlogic(TTL)________________________3．金属氧化物半导体。4．列式封装。5．Singlein-linepackage(SIP)..6.Pingridarraypackage(PGA).二．TrueorFalse(1)Anintegratedcircnitcombinestransistors.Dioles.resistors.a

2、ndsmallcoopacitorsonasilionchip()(2)Anintegratedcircuitmaybesingleinlinepackage.()(3)Nofurtherminiaturizationispossiblenonforintegratedcircuits.()(4)Integratedcircuitscanbeclassifiedinoneway.()三．TranslatethefollowingsentencesintoChinese.（1）otherhowsingmethodsarethes

3、inglein-linepackage.Pingridarraypackage.Andsoon.（2）Forinstance,therewereonly2300transistersinthefirstmicroprocessorchipinacomputerwhiletherearenon109transistorinandupdatedsinglechip.四．TranslatethefollowingexpressionintoEnglish.(1)数字集成电路。（2）分散的元件。（3）肯定的说。LessonTwelve

4、modulation一．英汉互译。1．为了.2．Electoromaynetilwave.3.modulatinywave.4.振幅调制。5．频率和相位调制。二．TrueorFalse.1.Modnlationisnecessaryfortransmittinginformation.()2.Thefirstwaveisknowasmodulatinyware.()3.Thefirstwaveisthecarrierwave.()4.BothamandFMareusedforbroadtastingandcommunticat

5、iontoday.()三．Translatethefollowingsentencesintochinese.1.Theprocessofmodulationistovarysomeparameterofabascelectlmaynetilwave.Whichiscalledthecarrierwaveandisknowasthefirstwave.2.Theprocessofextuactingthesingleinformationfromamodulatedcarrierwaveiscalleddetectionord

6、emoduclation.四．TranslatethefollowingexpressionsintoEnglish.（1）电磁波的某些参数。（2）专用于通讯。（3）频率和相位调制技术。LessonThirteenDMM一．英汉互译。1．在大多数情况下2．为了安全起见3．Testequipmet4．数字万用表5．Lolt-ohm-milliammeter二．TrueorFalse(1)TechniciansliketouseDMMS.()(2)DMMSareaccuratebutnoteasytoread().(3)DMMS

7、Can”rememberimportantdataforyoutoreadatalatertime.()(4)DMMStakemeasurementsofvoltageaswellassemiconductortransistors.()三．TranslatethefollowingsentencesintoChinese(1)Itisaprimechoiceinmostcasesforitsitsaccuracyexpandedmeasurementcapabilities,easeofreading,andlighterl

8、oadingofthecircuitundertest,comparedtotheVOM.(2)Forsafety’stake,someDMMsevenhavea“holdthereading”feature四．Translatethefollowingexpressions