2011英语二真题与答案解析

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1、2011年硕士研究生入学考试SectionIUseofEnglishDirections：Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(1()points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech・Butthatveryanonymityisalsobehindtheexplosionofcyber-crimethathas1

2、acrosstheWeb・Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly_3_?Lastmonth,HowardSchmidt,thenation'scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a"voluntarytrustedidentity5'systemthatwouldbethehigh-tech5ofaphysicalkey,afingerprintandaphotoI

3、Dcard,allrolled6one・Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentitysystems.Usercould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticated

4、couldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver'slicensebythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavetheseusinglesign-onnsystemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices・_12.theapproachwouldcreatea"walled

5、garden'、ncyberspace,withsafe'"neighborhoods^andbright"streetlights"toestablishasenseofa13community・Mr.Schmidtdescribeditasa"voluntaryecosystem”inwhich"individualsandorganizationscancompleteonlinetransactionswith14^rustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15which

6、the(ransactionrunsM.Still,theadministration^planhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcemed・Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet"drivellicense^mentality.Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,w

7、howorrythatthe"voluntaryecosystem^envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInternetusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.1.A.sweptB.skippedC.walkedD.ridden2.A.forB.withinC.whileD.