現(xiàn)代大學英語聽力3原文及答案unit9

現(xiàn)代大學英語聽力3原文及答案unit9現(xiàn)代大學英語聽力3原文及答案unit9現(xiàn)代大學英語聽力3原文及答案unit9資料僅供參考文件編號：2022年4月現(xiàn)代大學英語聽力3原文及答案unit9版本號：A修改號：1頁次：1.0審核：批準:發(fā)布日期：Unit9Task1【答案】PanelOpinions1stpenallist:PhilipBarnesComputershavealreadychangedourlives.2ndpenallist:MissAndersonComputershavechangedourlives,butIdon'twantmylifechanged.3rdpenallist:ArthurHainesThecomputerwillaffecteveryoneintheworld.Recordscanbekeptofeverythingwedo.Recordswillbekeptofallourprivatelives.Thecomputeristhegreatestdisasterofthe20thcentury.4thpenallist:PhyllisArcherThecomputerisamachine.Itwasinventedbypeople;itisusedbypeople.Ifthecomputerisadisaster,thenpeopleareadisaster.【原文】Compere:Andnowforourfirstquestion.ItcomesfromMrs.JuneMoore.Mrs.Moore?Mrs.Moore:Doesthepanelthinkthatcomputerswillchangeourlives?Compere:Mrs.Moorewantstoknowifcomputerswillchangeourlives.PhilipBarnes?

PhilipBarnes:Computershavealreadychangedourlives.Businessismoreefficient.Planesandtrainsprovideabetterservice...MissAnderson:Justamoment,Mr.Barnes.Youmayberightaboutbusiness,buthowmanypeoplehavelosttheirjobsbecauseofcomputers

Computershavechangedourlives,butIdon'twantmylifechanged.ArthurHaines:Excuseme,MissAnderson.We'retalkingaboutourlives,notyourlife.Thecomputerwillaffecteveryoneintheworld.Recordscanbekeptofeverythingwedo.Recordswillbekeptofallourprivatelives.Inmyopinion,thecomputeristhegreatestdisasterofthe20thcentury.PhyllisArcher:CouldIinterruptArthurHainessaysthecomputerisadisaster,butthecomputerisamachine.Itwasinventedbypeople;itisusedbypeople.Ifthecomputerisadisaster,thenpeopleareadisaster.Compere:Thankyou,PhyllisArcher.Thankyou,panel.Andthankyou,Mrs.Moore.Task2【答案】A.1)Itincludesa9-inchTVscreen,akeyboardwith46numbersandcharactersonit,aprinter,andtwodiskdrives.2)It'sallcontainedrightonthefloppydisk.3)It’smuchbetterthanatypewriterinthatonecanmovewordsorsentencesfromplacetoplaceormakecorrectionsorchangesrightonthescreen,andneverhavetoeraseonpaper.4)Itcanhelphimmakeamonthlybudgetforhishouseholdwithelectronicspreadsheetsoftware.B.1)loadsyourprogramintothemachine2)typewriter,typewriter,3)turningthecomputeronandloadingaprogram4)thedifferentthingstheprogramcando【原文】Narrator:ForHarveyVanRunkle,itwasloveatfirstsight,orshouldwesay,loveatfirstbyte?Really,itis64,000bytes—that'sthesizeofthememoryonhisnewBANANA-3personalcomputer.Itallhappenedbyaccident.Hiswife,Charlotte,hadsenthimouttobuyanewtoaster,whenhefoundhimselfstandinginfrontofacomputerdisplayattheBANANAComputerStore.Salesman:Yes,ladiesandgentlemen,thislittlecomputerisgoingtochangeyourlives.Justconsiderthehardware:Youhavea9-inchTVscreen.That’syourvideodisplayterminal.Youhaveakeyboardwith46numbersandcharactersonit.Youhaveaprinterthatwillgiveyoupaperprintoutsofyourworkinthreecolors.Youhavetwodiskdrives—oneinsidethecomputerterminalandoneoutside.Thiscomputercandoanything!Nowlet’shavealittledemonstration.WhowouldliketotrythenewBANANA-3computer

You,sir.Youlookinterested.SteprightupandtrytheBANANA-3.Harvey:What'sad-diskdrive?Salesman:That'sthepartofthecomputerthatloadsyourprogramintothemachine.Harvey:Oh.What'saprogram?Salesman:TheprogramThat'syoursoftware.That'stheinstructions.It'sallcontainedrightonthisfloppydiskhere.Theinstructionsonthisdisktellthecomputerwhattodo.Harvey:Oh,youmeanlikemywife.Shealwaystellsmewhattodo.Salesman:Exactly.NowwhattypeofprogramwouldyoulikeIhavewordprocessing,Ihaveelectronicspreadsheet...Harvey:What'swordprocessing?Salesman:Wordprocessingisusingthecomputerlikeatypewriter.Butit'smuchbetterthanatypewriter.Youcanmovewordsorsentencesfromplacetoplaceormakecorrectionsorchangesrightonthescreen.Youneverhavetoeraseonpaper.It'sawonderfullittleprogram!Wouldyouliketotryit,Mr...Harvey:VanRunkle.HarveyVanRunkle.I'veneverusedacomputerbefore...Salesman:It'seasy.Firstwestartupthemachine,andthenbootupaprogram.Harvey:Bootup?Salesman:That'scomputertalkforturningthecomputeronandloadingaprogram.There.Nowwelookatthemenu.Harvey:MenuButIjusthadlunch.I'mnothungry.Salesman:No,no.Thisisaprogrammenu,notarestaurantmenu.Itshowsthedifferentthingstheprogramcando.Forexample,herewehave"file".Ifyouselectfile,youcanchoosewhichofyourdocumentsyouwanttoworkon.Andhere’s“edit”.Thisgivesyouwaystocorrectyourdocument.Harvey:Gee,thisisgreat!There'sonlyoneproblem.Salesman:What'sthat?Harvey:Idon'thaveanydocuments.I'maplumber.Salesman:Butyouhavebills,don'tyou?Harvey:Yeah,but...Salesman:Well,withourelectronicspreadsheetsoftware,youcanmakeamonthlybudgetforyourhousehold.Harvey:No.Mywife,Charlotte,doesthat.Salesman:Well,nowyoucandoit,Harvey.Harvey:Idon'tknow...Salesman:Andyouhavefriends,don'tyou?Harvey:Yeah,wellthere'smybrother-in-lawBob...Salesman:Great!YoucanwriteletterstoBobonyournewBANANA-3computer!Harvey:Okay.Howmuchisit?Salesman:Nevermind.Doyouhaveacreditcard?Harvey:Well,sure...Salesman:Great.Joe,getHarveyheresignedup,willyouHewantsaBANANA-3withaprinterandsoftware.Okay,steprightup,ladiesandgentlemen.Thiscomputercandoanything!Task3【答案】A.1)Theyareimportantbecausetheyareabletomeasurequantitiessuchaselectricityandtemperature.2)Digitalcomputers.3)Onlyonepersonatatimecanusethem.4)Itisbecausetheirownersdonotspendenoughtimelearninghowtooperatethemefficiently.5)Eachpersonwhousesaminicomputerhasacomputerterminalthatisconnectedtotheminicomputerbyinterfacewires.Withthehelpoftheoperatingsystem,theCPUisabletodivideitstimeandperformforalltheusers.B.SimilaritiesandDifferencesbetweenMicrocomputersandMinicomputersSimilarities1．Theyaretwokindsofcommondigitalcomputers.2．Bothofthemcanbeusedinsmallbusinesses.3．EachcomputerhasonlyoneCPU.Differences1.Minicomputersarelargerthanmicrocomputers.2.Microcomputersareusedmorefrequentlyinlargeofficesandbusinessesthaninsmallbusinesses.3.Morethanonepersoncanuseaminicomputeratthesametime.【原文】Therearetwoprimarykindsofcomputers:analogcomputersanddigitalcomputers.Unlessyouareascientist,youprobablywillnotuseanalogcomputers.Thesecomputersareimportantbecausetheyareabletomeasurequantitiessuchaselectricityandtemperature.Incontrast,digitalcomputersperformtheirtasksbycounting.Somedigitalcomputersarebuilttohelpsolveonlyaspecifickindofproblem.Forexample,digitalcomputersthatmonitorairplanesflyinginandoutofairportsarebuiltonlyforthattask.Mostdigitalcomputers,though,canbeusedtohelpsolvemanykindsofproblems.Amongthem,microcomputersandminicomputersaretwokindsofcommondigitalcomputers.Microcomputers,alsocalledpersonalcomputers,arethenewestcomputers.Manyareaboutthesizeofaverysmalltelevisionset.Some,however,aresosmallandlightthatpeoplecancarrythemeasilyonbusinesstrips.Becausecomputermanufacturersproduceanenormousamountofcomputerhardware,itispossibleforanyonetoownanduseamicrocomputer.Therefore,wenowseethesemachinesinmanyhomes,schools,andbusinesses.Thereisonedisadvantagetothesecomputers,though.Onlyonepersonatatimecanusethem.Also,manypeoplewhobuymicrocomputersdonotunderstandwhatthesemachinescanandcannotdo.Someexpertssaythatalmosthalfofallmicro-computersarenotusedoftenbecausetheirownersdonotspendenoughtimelearninghowtooperatethemefficiently.Likemicrocomputers,minicomputersareusedinsmallbusinesses.However,theyarelargerthanmicrocomputersandareusedmorefrequentlyinlargeofficesandbusinessesthaninsmallbusinesses.Anotherdifferenceisthatmorethanonepersoncanuseaminicomputeratthesametime.Wecallthistime-sharing.Someminicomputerscanhavemorethanahundredpeopletime-sharingthem.Eachpersonwhousesaminicomputerhasacomputerterminalthatisconnectedtotheminicomputerbyinterfacewires.Buteventhoughmorethanonepersoncanuseaminicomputer,thecomputerhasonlyoneCPU.Withthehelpoftheoperatingsystem,theCPUisabletodivideitstimeandperformforalltheusers.Task4【答案】A.1)Itwasn'tthetypicallowmechanicalvoicethatsoundedlikearecordbeingplayedattooslowaspeed.Itsoundednatural.Ithadcharmtoit.2)Lupahadonceheardthatevenasophisticatedanalogcomputercouldn'tpickupcertainsubtletiesintheEnglishlanguage,nomatterhowgoodtheprogrammingis.3)WhenLupastoodupandwalkedaroundtheroom,itwasevidenttoherthatsomewhereinthebuilding,listeningthroughanintercomwassomeonewithamicrophone.B.1)They'rerunningacontest.Thekidsaresupposedtonameme.I'mdreadingthewholething,believeme.2)Youknowsomething;Ithoughtyou'dbedifferent.JustoncetodayIwashopingI'dgetsomeonewhowouldn'ttrytobeattheprogram.3)Youwouldn'thappentoknowwhatdayoftheweekSeptemberthefourteenth,1321,fellon,wouldyou

ItwasaSunday;buthowdoyouknowwhetherI'mright

Thankyouforvisitingthecomputerexhibit.【原文】Lupalaughed.Shelikedthevoicethathadbeenselectedforthecomputer.Itwasn'tthetypicallowmechanicalvoicethatsoundedlikearecordbeingplayedattooslowaspeed.Itsoundednatural.Ithadcharmtoit."Doyouhaveaname"

Lupaasked.

"Notyet,"thecomputeranswered."They'rerunningacontest.Thekidsaresupposedtonameme.I'mdreadingthewholething,believeme."NowLupathoughtthiswasclever,thewaytheyhadprogrammedthecomputer.Shewonderediftherewassomewaytoscrewuptheprogram.Shehadonceheardthatevenasophisticatedanalogcomputercouldn'tpickupcertainsubtletiesintheEnglishlanguage,nomatterhowgoodtheprogrammingis,soshedecidedtogiveitatry."Mypawsgivemepause,"shesaid.Thecomputerwassilent."Mypawsgivemepause,"Luparepeated."It'saclausewithoutclaws."Lupawaitedinsilenceforaresponse."Youknowsomething,"thecomputersaid."Ithoughtyou'dbedifferent.JustoncetodayIwashopingI'dgetsomeonewhowouldn'ttrytobeattheprogram."Lupasmiled."Thiswasmarvelous,"shethoughttoherself."They'dthoughtofeverything.""Sorry,"shesaid."Midispiace.""Ah,youspeakItalian,"thecomputersaidwithsomesarcasm."Qui,d'accord,"Lupaanswered."C'estvrai.""AndFrench,too.YourFrenchisbetterthanyourItalian.Thoughneitheroneisgreat.Now,ifyou'llexcuseme,Ihavetoshutdown.It'sclosingtime."Lupastoodupandwalkedaroundtheroom.Itwasevidenttoherthatsomewhereinthebuilding,listeningthroughanintercomwassomeonewithamicrophone.Shethoughtabouthowtotestforthis."Youwouldn'thappentoknowwhatdayoftheweekSeptemberthefourteenth,1321,fellon,wouldyou"Lupaasked."ItwasaSunday,"thecomputeranswered,"buthowdoyouknowwhetherI'mrightThankyouforvisitingthecomputerexhibit."Task5【答案】A.1)b)2)c)B.1)F2)F3)F4)TC.ComputerTalkWhatdoesItMean?

OnlineTostartorworkOfflineTodisconnectitortakeitoutofthesystemTointerfaceTodosomethingsothatdifferentcomputerpartsorsoftwarecanworktogetherToaccessTomakeinformationavailable【原文】Hello.Ithinkwecanbeginnowifyou'reready.Um,todayIwanttotalktoyouaboutcomputers,abouttheimpactofcomputersonhowwetalk,onthewayswetalk.Nowofcourseweallknowthatcomputershavechangedourlivesinmanyways.Stopandthinkforaminuteabouthowweusecomputersinoureverydaylife.It'shardtothinkofanythingwedothathasn'tbeenchangedbycomputers.Forexample,computersallowustogetmoneydirectlyfromourbankaccountsatcashmachines.Athospitals,computershelpdoctorsunderstandwhatiswrongwithpatients.Wecanusecomputerstohelpusdecidewhichcolortopaintourhouses,whichhairstylestohave,orwhichdressesorsuitswouldlookgoodonus--lotsofprofessionalandpersonaluses.Computersaresimplyapartofourlives,and,Ithinkitissafetosay,theywillcontinuetobe.WhatI'dliketolookattodayishowtheuseofcomputershashadanimpactonourlanguage--howcomputershavechangedtheexpressionswesay,thewordsweuse.First,letmegiveyousomeexamples.TheseareexamplesfromEnglishthatI'dlikeyoutothinkabout.Thefirstexampleisthis.Someoneatanofficesays,"We'dliketohavetheprojectonlinebynextMonday."Incomputertalk"online"meansstartedorworking.Sothisstatementmeansthatwe'dliketohavetheprojectstartedandgoingbynextMonday.Thesecondexampleisfromadiscussionorseminar.Someonemightsay,"Let'stakethisdiscussionofflineuntiltomorrow."Totakeacomputer"offline"meanstodisconnectitortakeitoutofthesystem.Whatdoyouthinkitmeanstotakeadiscussionoffline

Totakeadiscussion"offline"meanstostoptalkingaboutit.Thisexamplemeans"let'sstopdiscussingthisnowandtalkaboutittomorrow."Thethirdexampleis:"I'lltrytointerfacemyplanswithyours."To"interface",incomputertalk,meanstodosomethingsothatdifferentcomputerpartsorsoftwarecanworktogether.So"I'lltrytointerfacemyplanswithyours"meansthat"I'lltrytochangemyplanstofitwithyours."Peoplestillsay,ofcourse,"I'lltrytochangemyplanstofitwithyours."Butnowwemightalsostarttohearpeoplesay,"I'lltrytointerfacemyplanswithyours,"or"Let'sseeifwecaninterfaceourschedulessothatwecanmeetnextweek."Let’stryonemoreexample.Ourfourthexamplemighttakeplaceathome.Someonesays,”Ijustcan’taccesswhereIleftmycarkeys.”Incomputertalkto“access”somethingmeanstomakeinformationavailable.IfIcan’taccesswhereIleftmykeys,Idon’thavethisinformationavailableformetouse.Whatwouldbeanotherwaytosaythis

Ofcourse,wecouldalsosay,“Ican’trememberwhereIputmykeys.”Task6【答案】1)Cyberethics.2)Itwillfocusonteachingeducatorshowtoteachtheirstudentscyberethics.3)Becauseit’snotdoneverballysothatpeoplecanoverhearit;theythinkit’sanonymousontheInternet.4)ShewasaformerprincipalandanadjunctprofessoratMarymountUniversity,teachingcurriculumdevelopmentandtechnologyintheclassroom.5)Youngcomputerusersdonotseehacking,e-mailthreats,cybertalking,IntellectualPropertyRightsviolationsandvirusdistributionascrimes.6)Shesaidthatitissomethingthatneedstobeinstructedasroutinecurriculum,andstudentshouldknowthatthesebehaviorsareasunacceptableincyberspaceasinthephysicalrealm.【原文】AlthoughschoolsaredoingabetterjobatteachingchildrenhowtousetheInternet,theyarenotaddressingcyberethics."CyberEthics:TeachingResponsibleUseofTechnology"willfocusonteachingeducatorshowtoteachtheirstudentscyberethics.WhentypicalcrimesarecommittedontheInternet,studentsdonotseethemasacrime,saidCherieGeide,theconferencedirector."Theydon'tseeanythingwrongwithitbecausetheyseeitasaprank.It'smoreunacceptabletodoitverballywherepeoplecanoverhearit.Theythinkit'sanonymousontheInternet,"saidGeide,aformerprincipalandanadjunctprofessoratMarymountUniversity,teachingcurriculumdevelopmentandtechnologyintheclassroom.Geidesaidyoungcomputerusersdonotseehacking,e-mailthreats,cybertalking,IntellectualPropertyRightsviolations,suchasinsoftwareormusic,andvirusdistributionascrimes."Thisissomethingthatneedstobeinstructedasroutinecurriculum,"shesaid,"thatthisbehaviorisasunacceptableincyberspaceasinthephysicalrealm.Task7【答案】A.1)It'sMicrosoft'sSANTAthatthekidscan'tresist;it'stheultimatesoftwarewithatraditionaltwist—recommendedbynolessthanthejollyoldelf,andonthepackage,apictureofSantahimself.2)Fatherdidlast-minuteInternetshopping;MumandIhadjustsettleddownforalongwinter’snap.B.1)notacreaturewasstirring,exceptfather'smouse.Thecomputerwashumming;theiconswerehopping2)werehungnexttothemodemwithcareinthehopethatSantawouldbringnewsoftware3)werenestledallsnugintheirbeds,withvisionsofcomputergamesfillingtheirleads4)nowhadbeenre-routedtoWashingtonStatewhereSanta'sworkshophadbeenmovedbyBillGates5)nowfindshe'sanewbillionaire;withashinyredPorscheinplaceofhissleigh,andahouseonLakeWashingtonjustdownthewayfromwhereBillhashismansion;preensinblackGuccibootsandredCalvinKleinjeans6)nomoredollsortinsoldiersorlittletoydrams,onlycompactdiskROMswiththeMicrosoftlabel7)anewChristmasstar,ownedbytheMicrosoftguy8)turnedonwithaJingle-Bellssound,asIsprangfrommybedandwasturningaround9)asmilingBillGatesnexttojollyoldSanta,twoarm-in-armmatesexclaiminvoicessobright,haveaMicrosoftChristmas,andtoallagoodnight【原文】ItwasthenightbeforeChristmas,andallthroughthehousenotacreaturewasstirring,exceptfather'smouse.Thecomputerwashumming;theiconswerehopping,asfatherdidlast-minuteInternetshopping.ThestockingswerehungnexttothemodemwithcareinthehopethatSantawouldbringnewsoftware.Thechildrenwerenestledallsnugintheirbeds,withvisionsofcomputergamesfillingtheirleads.TheletterstoSantahadbeensentoutbyMum,tosanta@,whichnowhadbeenre-routedtoWashingtonStatewhereSanta'sworkshophadbeenmovedbyBillGates.AlltheelvesandthereindeerhadhadtoskedaddletoflashynewquartersinsuburbanSeattle.Alterlivingalifethatwassimpleandspare,Santanowfindshe'sanewbillionaire;withashinyredPorscheinplaceofhissleigh,andahouseonLakeWashingtonjustdownthewayfromwhereBillhashismansion.TheoldfellowpreensinblackGuccibootsandredCalvinKleinjeans.Nomoredollsortinsoldiersorlittletoydramswillbeunderthetree,onlycompactdiskROMswiththeMicrosoftlabel.Sospinupyourdrivefromnowon,ChristmasrunsonlyonWindows95.It'sMicrosoft'sSANTAthatthekidscan'tresist;it'stheultimatesoftwarewithatraditionaltwist—recommendedbynolessthanthejollyoldelf,andonthepackage,apictureofSantahimself."Get'emyoung,keep'emlong"isMicrosoft'stheme;andamergerwithSantaisamarketer'sdream."TothetopoftheNASDAQ!TothetopoftheDow!Nowdashaway!Dashaway!Dashaway—wow!"AndMuminherhandkerchiefandmeinmycap,hadjustsettleddownforalongwinter'snap.Whenoutonthelawntherearosesuchaclatter,thewhirrandthehumofoursatelliteplatter.AsitturnedtowardthatnewChristmasstarinthesky,theSANTALITEownedbytheMicrosoftguy.AsIsprangfrommybedandwasturningaround,mycomputerturnedonwithaJingle-Bellssound.AndthereonthescreenwasasmilingBillGatesnexttojollyoldSanta,twoarm-in-armmates.AndIheardthemexclaiminvoicessobright,haveaMicrosoftChristmas,andtoallagoodnight!Task8【答案】A.1)Youwouldneedacomputerbecauseofits"memory"andspeed;acomputercanconsidermorefactorsthanapersoncan.2)Thereservationclerkusesamachinetorecordinformationaboutwhereyouwanttogoandtheflightnumberoftheplanethatwilltakeyoutoyourdestination.3)Thecomputernotonlydetermineswhatseatsareavailableatwhatprices,butitalsoprintstheticketsatthesametime.B.1)thereisalimittothenumberofconsiderationsthehumanmindcan2)analyzingthisfactorinrelationtoinformationaboutthebusinessthathasalreadybeenprogrammed3)inwhichcomputersarebeing4)whetherornotthereisspaceforyouC.Seethelastparagraphbutoneinthescript.【原文】Supposeyouareamanufacturerofbicycles.Youaretryingtodecidewhetherornottobuildalargerfactoryortobuymoremachines.Youcouldjustsaytoyourself,"Businesshasbeengood.We'vesoldalotofbicyclesrecently,soIthinkweoughttoexpandourplant."Oryoucouldconsidersuchquestionsasthefollowing:HowmuchwouldthechangescostCanthebicycle-ridingpopulationbeexpectedtoincreaseordecrease

Manysuchquestionswouldhavetobeanswered,butthereisalimittothenumberofconsiderationsthehumanmindcantakeintoaccount.Inasituationlikethis,youwouldneedacomputer.Becauseofits"memory"andspeed,acomputercanconsidermorefactorsthanapersoncan.Doesthebicyclemanufacturerwonderhowtheweatherwillaffectbicyclesales

Thecomputercantellhimbyanalyzingthisfactorinrelationtoinformationaboutthebusinessthathasalreadybeenprogrammedintothecomputer.Thisisjustoneofmanysituationsinwhichcomputersarebeingusedtoday.Thisnewservantofmanisonlyabouttwenty-fiveyearsold,butithasalreadychangedthelivesofmorethan200millionAmericans.Whereverthecitizenturns,hefindsacomputerworking.Computersareusedwhenonereservesspaceonanairplane.Walkintoanyairlineoffice.Beforesellingyouaticket,thereservationclerkusesamachinethatlookslikeatypewritertorecordinformationaboutwhereyouwanttogoandtheflightnumberoftheplanethatwilltakeyoutoyourdestination.Thisinformationissentinstantlytoacentralcomputerthatmaybemanykilometersawayfromtheairlineoffice.Withinseconds,thecomputerinformstheclerkwhetherornotthereisspaceforyouonthatplane.Suchreservationsystemsarenowinincreasinguse.Theyarealsoemployedbyhotels,bycom-panicsthatrentcars,andbyofficesthatsellticketstotheatersandsportsevents.Thecomputernotonlydetermineswhatseatsareavailableatwhatprices,butitalsoprintstheticketsatthesametime.Whencomputersareusedinthewayjustdescribed,somepartofthesystemcanactuallybeseen.Usuallywhatoneseesisamachinethatlookslikeatypewriter;itiscalledacomputerterminal.Butcomputersarealsousedinunseenways.Forexample,theydeterminehowmuchtimethereshouldbebetweentrafficsignalstopreventtrafficproblemsandtokeepmillionsofcarsmovinginanorderlyflow.Whenyoubuyanautomobile,afactoryprocessthatiscontrolledbyacomputerenablesyoutoobtainacarwithyourownchoiceofcoloursandspecialfeaturesinjustafewweeks'time.Inmedicallaboratories,computershavereducedtheerrorsintesting,andtheyhavesaveddoctorscountlesshoursofwork.Beforelong,medicalhistoriesofallAmericanswillbekeptincomputer"banks".Ifapersonbecomesillfarfromhishome,localdoctorswillbeabletogethismedicalrecordimmediately.Inscience,thecomputerhasperformedinminutesexperimentswhichwouldhaverequiredthousandsofhoursofworkbyhumanhandsandminds.TheUnitedStatesisnottheonlycountryaffectedbythe"computerrevolution".Allthemajorcountriesoftheworldhavecomputers,andthedevelopingcountriesareincreasinglyawarethatcomputersplayabigpartintheireconomicadvancement.Task9【答案】A.1)a)2)b)3)c)B.1)T2)F3)FC.1)potentialcriminals:Computercrime2)usinglessobviousandlesseasilyrememberedpasswordsthatallowaccessto3)limittheuser'saccesstoinformationaswellastheoperationstheuserD.Courtsarebeingtougherandcomputersecurityisimproving.Computersecurityisgettingmoresophisticated.Forexample,lessobviouspasswordsarebeingused,andaccess-controlsoftwareand"dialback"systemshavebeendeveloped.Scramblingdevicesandaudittrailsarealsoavailable.【原文】Let'stalkalittlenowaboutwhatisbeingdonetostopcomputercrime.First,thecourtsaregettingmuchtougheronhackers.Theyarepunishingcomputercriminalsmoreseverely.