计算机专业英语第4次作业.doc

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1、计算机专业英语第4次作业1.Windowsgivesyoumorecontroloverthe__A___yourwork.A：operationB：wayC：energyD：power2.Teaorcoffee?Whichisyour___A___?A：preferenceB：confusionC：puzzleD：mixture3.Programsthatcandestroyanothercomputer'sprogramsarecalled__D_.A：gamesB：computerlanguagesC：bugsD：viruses4.Youwere_C___tousb

2、yourassociates.A：toldB：suggestC：recommendedD：informed5.Youshouldbeabletotellthemeaningofthiswordfromits___C____.A：companyB：conclusionC：contextD：communication6.___B___referstothepartsofthecomputerthatyoucanseeandtouch.A：SoftwareB：HardwareC：HardshipD：Instruction7.___C______that,Icoulddoitmu

3、chbetter.A：IfIdoB：IfIweredoC：WereItodoD：WereIdo8.Anetworkisagroupofcomputerslinkedbycommunicationlines.正确9.MostRAMistemporary,losingitscontentswhenthecomputer'spoweristurnedoff.正确10.Aprogramisaseriesofinstructionthatguidesacomputerthroughaprocess.正确11.写出下列术语的英文或中文意思。1messageencryption参考答案

4、：1信息加密（术）2客户机-服务器结构2client-serverarchitecture3关系数据库3relationaldatabase4microwaveradio4微波无线电5digitaltelevision5数字电视12：[论述题]12.阅读下列短文，从A、B、C、D四个选项中，选出最佳选项。ForeverymanintheCivilWarwhodiedinbattle,twoorthreemendiedofdisease.Doctorsofthattimeknewverylittleaboutcausesofsicknessorwaysofpreventin

5、git.Thousandsofmeninpoorhealthbecamesoldiers.Hundredsofothershadneverhadchildhooddiseases.Manyofthesesoldierscouldnotwithstandtheepidemicsofmeasles,mumps,andwhoopingcoughthatwentthroughthecamps.Armylifewashard.Soldiersgotfewfruitsorvegetables.Therewasnomilkunlesstheyhappenedtofindacow.Nei

6、thertheirclothesnortheirsheltersprotectedthetroopsfromrain,snow,andcold.Sicknessanddiseasewerespreadbyinsects,rats,andimpuredrinkingwater.Oftenthemendrankstraightfrommuddystreams.Gunshotwoundswereserious,asinanywar,buttheydidnotcauseasmuchdeathandsufferingasdiseasedid.1.Diseasecaused_____

7、_____A.onlyafewdeaths.B.Fewerdeathsthanwoundsdid.C.Moredeathsthanwoundsdid.D.BothAandB2.DoctorsatthetimeoftheCivilWarknew____________A.alotaboutcuringdisease.B.Littleaboutthecausesofdisease.C.Onlyhowtopreventdisease.D.BothAandC3.MenwhowereacceptedasCivilWarsoldiersw