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页数:15页
时间:2019-02-21
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1、2011年MBA英语真题及答案SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindthe
2、explosionofcyber-crimethathas1acrosstheWeb.Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthat
3、wouldbethehigh-tech5ofaphysicalkey,afingerprintandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentitysystems
4、.Usercould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense10bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“si
5、nglesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices.12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa13community.Mr.Schmidtdescribeditasa“voluntaryecosyste
6、m”inwhich“individualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransactionruns”。Still,theadministration’splanhas16privacyrightsactivists.Someapplaudtheapproach;othersarec
7、oncerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.Schmidtwouldstillleavemuchof
8、theInternet19.TheyarguethatallInternetusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.1.A.swept B.skipped C.walked D.ridden2.A.for B.within
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