2012年大学英语四级阅读理解练习题及答案VIP专享VIP免费

2012年大学英语四级阅读理解练习题及答案（22）Moreandmore,theoperationsofourbusinesses,governments,andfinancialinstitutionsarecontrolledbyinformationthatexistsonlyinsidecomputermemories.Anyonecleverenoughtomodifythisinformationforhisownpurposescanreapbigreward.Evenworse,anumberofpeoplewhohavedonethisandbeencaughtatithavemanagedtogetawaywithoutpunishment.It’seasyforcomputercrimestogoundetectedifnoonechecksuponwhatthecomputerisdoing.Butevenifthecrimeisdetected,thecriminalmaywalkawaynotonlyunpunishedbutwithaglowingrecommendationfromhisformeremployers.Ofcourse,wehavenostatisticsoncrimesthatgoundetected.Butit’sdisturbingtonotehowmanyofthecrimeswedoknowaboutweredetectedbyaccident,notbysystematicinspectionsorothersecurityprocedures.Thecomputercriminalswhohavebeencaughtmayhavebeenthevictimsofuncommonlybadluck.Unlikeotherlawbreakers,whomustleavethecountry,commitsuicide,orgotojail,computercriminalssometimesescapepunishment,demandingnotonlythattheynotbechargedbutthattheybegivengoodrecommendationsandperhapsotherbenefits.Alltoooften,theirdemandshavebeenmet.Why?Becausecompanyexecutivesareafraidofthebadpublicitythatwouldresultifthepublicfoundoutthattheircomputerhadbeenmisused.Theyhesitateatthethoughtofacriminalboastinginopencourtofhowhejuggled(诈骗)themostconfidential（保密）recordsrightunderthenosesofthecompany’sexecutives,accountants,andsecuritystaff.Andsoanothercomputercriminaldepartswithjusttheneedstocontinuehiscrimeselsewhere.1.Itcanbeconcludedfromthepassagethat_______________.A)itisstillimpossibletodetectcomputercrimestodayB)peoplecommitcomputercrimesattherequestoftheircompanyC)computercriminalsescapepunishmentbecausetheycan’tbedetectedD)computercrimesarethemostseriousproblemintheoperationoffinancialinstitutions2.Itisimpliedinthethirdparagraphthat_________________.A)mostcomputercriminalswhoarecaughtblametheirbadluckB)therapidincreaseofcomputercrimesisatroublesomeproblemC)mostcomputercriminalsaresmartenoughtocoveruptheircrimesD)manymorecomputercrimesgoundetectedthatarediscovered3.Whichofthefollowingstatementsismentionedinthepassage?A)AstrictlawagainstcomputercrimesmustbeenforcedB)CompaniesusuallyhesitatetouncovercomputercrimestoprotecttheirreputationC)CompanieswillguardagainstcomputercrimestoprotecttheirreputationD)Companiesneedtoimposerestrictionsonconfidentialinformation4.Whatmayhappentocomputercriminalsoncetheyarecaught?A)Withabadreputationtheycanhardlyfindanotherjob.B)Theymaywalkawayandeasilyfindanotherjob.C)TheywillbedeniedaccesstoconfidentialrecordsD)Theymustleavethecountrytogotojail.5.Thepassageismainlyabout_________________.A)whycomputercriminalsareoftenabletoescapepunishmentB)whycomputercrimesaredifficulttodetectbysystematicinspectionsC)howcomputercriminalsmangetogetgoodrecommendationsfromtheirformeremployersD)whycomputercrimescan’tbeeliminated1.D)本题主要由第一段的内容推理出来，同时兼用排除法。由第二段的前两句话，可知计算机犯罪并非不能查出来，所以A)、C）不对；由第一段的第二句中“forhisownpurposes”可以排除B)。2.D)第三段主要讲的是我们还不知道有多少计算机犯罪未被发现，第二、三两句说那些被发现了的都是偶然的，是他们的运气不好，显然，没被发现的要比已被发现的数量要多得多。3.B)本题表面要求寻找细节，但实际仍是一道推断题，考察对最后两段的理解。为什么计算机犯罪会逃脱惩罚呢？最后一段的前两句说得很明白，是因为公司的经理们害怕thebadpublicity，即是badreputation之意，所以他们会在揭示计算机犯罪时而犹豫。4.B)文章有三处都提到了这个问题的答案，它们分别是第一段的最后一句、第二段的第二句、第四段。最直接的线索是第二段的第二句。5.D)这是一道难度较大的主旨题。答案A)和D)很相似，文章的很多地方也都讲的是computercriminalsescapepunishment，但这是表面的，正是因为他们容易逃脱惩罚，所以文章最后一句说他们可以到一个新地方继续从事犯罪活动，其结果自然是计算机犯罪消除不了，因此本题选项D)更佳。