大学体验英语综合教程第三版2详细答案Uint8

UnitEightLead-in1business2communicating3discover4typein5invention6getalong7opposition8create9memory10availablePassageAThinkAboutIt1Yes,Ioftendo,asIliketoexplorethepotentialitiesoftheInternet.Manypeoplealsowelcomefreesoftwarebecausetheydon’thavetopayforit.Othersdon’tdosobecausethereisnoprotectionguaranteedagainstviruses.2Therearedifferentkindsofanti-virussoftware,e.g.Norton,RisingStarandsomeothers.ThecomputersIuseinthelibraryallhaveonekindoranotherofsoftwareinstalledtopreventvirusesfrombeingbroughtin.3Whenoldtypesofviruseshavebeentakencareof,newonesmayappear.Itwouldbeimpossibletogetridofcomputervirusespermanently.ReadAboutItContentAwarenessReadAndThink2Workwithyourpartnerandanswerthefollowingquestions.1TheyturnedtotheITstaffintheircompanyforhelp.2VirusessuchasMelissa,theLoveBug,etc.3No,theyaren’t.Theyforgetabouttheharmacomputervirusmaybringwhenthatvirusisoffnewsheadlines.4Theyopenunsolicitedattachmentsanddownloadunauthorizedsoftware.5Open.3Choosethebestanswertoeachquestionwiththeinformationfromthepassage.1B2A3D4A5C4Fillintheblankswiththewordsgivenbelow.Changetheformwherenecessary.1adequate2vitally3document4distribution5urban6potential7continual8infecting9threat10updated5Completethefollowingsentenceswithphrasesorexpressionsfromthepassage.Changetheformwherenecessary.1letdown2cameacrossas3inthebackof…mind4asamatterofcourse5cleaningup6Chooseonewordfromtheboxbelowtoreplacetheunderlinedwordineachsentence.changetheformwherenecessary.1encountered2detected3transmitted4pirated5inflicted7TranslatethefollowingsentencesintoEnglish.1Inpursuitofahealthierdiet,peopleareeatingmorefishthantheyusedto.2Weneedtohavetheroofrepairedbeforethebadweathersetsin.3Thediseaseisspreading,andallyoungchildrenareatrisk.4Theinformationistransmittedfromonecomputertoanotherthroughatelephoneline.5Jackisafairlygoodrunner.Hewinsmoreoftenthannot.8ReadandcomparetheEnglishsentences,payingattentiontotheiritalicizedparts,andthentranslatetheChinesesentencesbysimulatingthestructureoftheEnglishsentences.1Itsoundslikethishigh-techcompanyhasputinplacemanyfavorablemeasurestoprotectagainstbraindrains.2Theworrycomeswhenpaper-millsignoretheenvironmentalpollutioninpursuitofprofits.3It’svitallyimportantthatoneattendatest-preparationclassbeforetakingaTOEFLtestbutthiscannotbeaone-offeventifhereallywantstohaveagoodcommandofEnglish.4Thepotentialthreatshouldalwaysbeinthebackofadoctor’smindandappropriatemeasuresshouldbetakeninnotimeonceemergencyarises.5Intheend,sciencesandeducationarethekeystoaprosperouscountryandthisisacontinualprocess.9Computervirusesareaconstantthreattocompaniesandotherorganizationsaswellashomeusers.Workinsmallgroupsandhaveadiscussionabouthowcomputervirusesspreadandhowcompaniesshouldprotectagainstcomputerviruses.Computervirusescanbetransmittedviae-mailattachments.TheyalsospreadthroughsoftwaredownloadedfromtheInternet.Sowhenyouaredownloadingtheunlicensedandpiratedsoftware,youarelikelytoputyourcomputeratrisk.Thesoftwarecanseemharmlessenough,buttheycouldeasilybeharboringadangerousvirus.Toprotectagainstcomputerviruses,weshouldbecarefulwhenopeninge-mailattachmentsanddownloadingsoftware.Weshoulduseanti-virussoftwareandupdateitregularly.Asforcompanies,theyshouldnotonlytakemeasuresbyinvestinginanti-virussoftware,butalsopayenoughattentiontotheeducationoftheiremployees.Whiletheemployeesmaysuddenlybecomeawareofthevirusthreatwhenthethreatisthere,theysoonforgetaboutitasthestoriesdisappearfromthenewsheadlines.Soitisimportantthatcompaniesconstantlyeducatetheusersaboutthevirusthreatandaskthemtopracticesafecomputing.10Writeaparagraphofaround80wordsexplainingthatcompaniesshoulddomorethaninvestinanti-virussoftwaretoprotectagainstcomputerviruses.Thefollowingpointsmayhelpyoutoorganizeyourwriting.Andthefirstsentencehasbeenwrittenforyou.Toprotectagainstcomputerviruses,companiesshoulddomorethaninvestinanti-virussoftwareonthedesktops,serversandemailgateways.It’struethatanti-virussoftware,updatedregularly,canprotectthecompanies’defencestoalargeextent.Theemployees,however,mayuseofficecomputersforpersonalamusement.Whentheyareopeningunsolicitedattachmentsordownloadingunauthorizedsoftware,theyprobablyareputtingthecompanyatrisk,fortheattachmentsandthesoftwarecouldeasilyharbordangerousviruses.Therefore,itisveryimportantthatcompaniesshouldconstantlyeducatetheiremployeesaboutthevirusthreatandremindthemaboutwhatwouldhappeniftheylettheirguarddown.PassageBThinkAboutIt1Yes,mye-mailpinwasoncehitbyhackersandIcouldn’tenteritanymore.2Companiesorindividualswhowishtoavertcomputersecurityissuesshouldputsecuritysystemsinplace.Fromahackingperspective,eachserverisopentoattack,soeachmustpossessitsownanti-virusandspywaresystems,andcontinuedoversightmustbegiventoeachofthesesecuritysystems.3Notallhackersarecriminals.Boredinschool,veryadeptwithcomputersandtechnology,theydownloadscriptsorhackintosystemswiththeintenttovandalizeordisruptsystems.Theyliketoseethemselvesaselite.Theyhavealotofprogrammingbackgroundandwritecodebutwon’tuseitthemselves.Underlyingthepsycheofthecriminalhackermaybeadeepsenseofinferiority.Consequently,themasteryofcomputertechnology,ortheshutdownofamajorsite,mightgivethemasenseofpower.ReadAboutItContentAwarenessReadAndThink11Workwithyourpartnerandanswerthefollowingquestions.1HefliedtoSeattleforajobwithacompanycalledInvitaSecurity.2ThecompanyluredthemtobreakintothenetworksofpotentialcustomersaspartofanefforttopersuadethosecompaniestohireInvitatokeephackersout.3TheywerestoppedandcaughtbyFBI.4Itisamarkedlegalmilestonewhencourtscouldupholdtherightoffederalagentstoseizeevidenceremotely,andtochargeforeigncyberciminalsinU.Scourts.5Accordingtothem,themostcaptivatingaspectsofbeingahackerarepsychological,foritmakesthemfeellikeplayingathrillinggame,whichisfullofadventures.12Decidewhetherthefollowingstatementsaretrue(T)orfalse(F)accordingtothepassage.1F2F3F4T5F13Fillintheblankswiththewordsgivenbelow.Changetheformwherenecessary.1regaled2breached3captivating4entrepreneurial5conspire6restitution7extorted8tactic9milestone10lodging14Completethefollowingsentenceswithphrasesorexpressionsfromthepassage.Changetheformwherenecessary.1hacker2breakinto3charge4benefit5bringalong15TranslatethefollowingsentencesintoEnglish.1Asthestatisticsdemonstrateswehavemadegreatprogressinthisfieldinashortperiodoftime.2Theexploitsofgreatleadershavebeentoldinsongsandstories.3Itisalongway.Let’staketurndriving.4Itturnsoutthatitisthebankerratherthanthecomputerfaultthathascausedthedisaster.5Theymusttakepracticalmeasurestocarryouttheirplan;otherwiseitwillendinsmoke.16Finishthefollowingincompleteoutlineofparagraph1ofthepassage“AHackerStory.”Thenrereadthewholepassageandwriteasummaryofit.1IvanovandhisfellowpartnerflewtoSeattle.Invitainformedthemaboutthejobrequirements.220-year-oldRussianhackerAlexeyIvanovwasluredtoSeattleinhopesoflandingadreamjobwithInvita.AttheSeattleinterview,Ivanovimpressedtheinterviewerswithtalesofhackingexploitsanddemonstrationsofhisskills.ButasheandhisRussiancolleaguewerebeingdrivenaway,theywerearrestedbyFBIagentsandwerechargedwithconspiracy,computerfraud,hackingandextortion.ThemostimportantgainfromtheIvanovcasemaybethelegalmilestonesmarkedwhencourtsupheldtherightoffederalagentstoseizeevidenceremotely,andtochargeforeigncybercriminalsinU.S.courts.Nevertheless,importantcyberlawquestionsremainunanswered.Themotivationsofhackersarepsychologicalasmuchasfinancial17Reducethenumberofwordsinthesesentencesbymakingtheintroductorydependentclauseselliptical.Writeouttherevisedsentences.1Althoughexpectingatelephonecall,thedoctorhadtoleavehisoffice.2Whiledrivingintotown,mymotherranoutofgas.3Ifcuriousaboutyourfinalgrade,askyourprofessor.4Whenapplyingforascholarship,youshouldwriteneatly.5Aftercuttingthegrass,pleasewaterit.18Choosethecorrectpronountocompleteeachsentence.Writeoutthecompletesentence.Thenwriteaftereachsentencetheellipticalclausebeginningwiththanoras.1Youworkedharderthanthey.(thantheyworked)2Michaelismorepopularthanhe.(thanheis)3Theydon’tdancewellaswe.(aswedance)4Doyouliketodriveasfastasthey?(astheydrive)5Icandothejobbetterthanshe.(thanshedoes)19Rewritethefollowingsentencessothatmajorideasreceiveproperemphasis.Relyuponthesuggestioninparentheses.1Refertopage321andyouwillfindthatthemajorcharacterisoversixfeettall.2Becausetheimmigrantswillgaineconomicpower,speakingtheimmigrants’languagewillbecomemoreimporta