【7A版】2011考研英语二真题及答案

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1、7A版优质实用文档20GG年全国硕士研究生入学统一考试(英语二)试题SectionIUseofEnglishDirections：ReadthefollowingteGt.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.ButthatveryanonymityisalsobehindtheeGplosionofcyber-cri

2、methathas 1 acrosstheWeb.Canprivacybepreserved 2 bringingsafetyandsecuritytoaworldthatseemsincreasingly 3  ?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech 5 ofaphysicalkey,afingerprinta

3、ndaphotoIDcard,allrolled 6 one.Thesystemmightuseasmartidentitycard,oradigitalcredential 7 toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto 8 afederationofprivateonlineidentitysystems.Usercould 9 whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthe

4、nticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense     10   bythegovernment.227A版优质实用文档7A版优质实用文档GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto  11justoncebutusemanydifferentservices. 12

5、.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa  13 community.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompleteonlinetransactionswith 14,trustingtheidentitiesofeachotherandtheidentitieso

6、ftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould 17 beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith 18bysome

7、computersecurityeGperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19 .TheyarguethatallInternetusersshouldbe 20 toregisterandidentifythemselves,inthesamewaythatdriversmustbelicen