2011考研英语二真题与答案解析

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1、2011年全国硕士研究生入学统一考试(英语二)试题SectionI UseofEnglishDirections：Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-crime

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

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

4、vebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense     10   bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto  11 justoncebutusemanydifferentservices. 12.t

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

6、tiesoftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16 privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould 17 beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedw

7、ith 18 bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet 19 .TheyarguethatallInternetusersshouldbe 20 toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroad