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1、四级模拟试题十一PARTIIICLOZEDecidewhichofthechoicesgivenbelowwouldbestcompletethepassageifinsertedinthecorrespondingblanks.Internetsecurityexpertshavelongknownthatsimplepasswordsdonotfullydefendonlinebankaccountsfrom[31]_______fraudartists.Nowastudysuggeststha
2、tapopularsecondarysecuritymeasureprovideslittleadditionalprotection.Thestudy,producedjointlybyresearchersatHarvardandtheMassachusettsInstituteofTechnology,lookedatatechnologycalledsite-authenticationimages.Inthesystem,currentlyusedby[32]_______institut
3、ionslikeBankofAmerica,INGDirectandVanguard,onlinebankingcustomersareaskedtoselecta(n)[33]_______,[34]_______adogorchesspiece,thattheywillseeeverytimethey[35]_______intotheiraccount.The[36]_______isthatifcustomersdonotseetheirimage,theycouldbeata[37]___
4、____Website,[38]_______tolookliketheirbank's,andshouldnotentertheirpasswords.TheHarvardandM.I.T.researcherstestedthathypothesis.InOctober,theybrought67BankofAmericacustomersintheBostonareaintoacontrolledenvironmentandaskedthemto[39]_______routineonline
5、bankingactivities,like[40]_______accountbalances.Buttheresearchershadsecretlywithdrawntheimages.Of60participantswhogotthatfarintothestudyandwhoseresultscouldbeverified,58enteredpasswords[41]_______.Onlytwochosenottologon,citingsecurity[42]_______."The[
6、43]_______isthatsite-authenticationimagesincreasesecurity[44]_______customerswillnotentertheirpasswordsiftheydonotseethecorrectimage,"saidStuartSchechter,acomputerscientistattheM.I.T.LincolnLaboratory."Fromthestudywelearnedthatthepremiseisrightlessthan
7、10percent[45]_______."Headded:"Ifabank[46]_______askmeiftheyshould[47]_______it,Iwouldsayno,waitforsomethingbetter."Thesystemhassomehigh-powersupportersinthefinancialservicesworld,[48]_______tocomply[49]_______newonlinebankingregulations.In2005,theFede
8、ralFinancialInstitutionsExaminationCouncil,aninteragencybodyoffederalbankingregulators,determinedthatpasswordsalonedidnoteffectively[50]_______intruderslikeidentitythieves.31.A.decidedB.determinedC.resolutedD.resolve32.A.economicB.econo
