2011年考研英语(二)考试真题及参考答案

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1、2011年考研英语(二)考试真题及参考答案完型填空试题："TheInternetaffordsanonymitytoitsusers—aboontoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcybercrimethathas1acrosstheWeb.Canprivacybepreserved2bringingasemblanceofsafetyandsecuritytoaworldthatseem

2、sincreasingly3?Lastmonth,HowardSchmidt,thenation’scyberczar,offeredtheObamagovernmenta4tomaketheWebasaferplace—a“voluntaryidentify”systemthatwouldbethehigh-tech5ofaphysicalkey,fingerprintandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard

3、,oradigitalcredential7toaspecificcomputer,andwouldauthenticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentifysystems.Userscould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethoses

4、ystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense10bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices.12,theapproachwouldcreatea“w

5、alledgarden”insafe“neighborhoods”andbright“streetlights”toestablishasenseofcommunity.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhichindividualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesoftheinfrastructurethatthetransa

6、ctionruns15.'"Still,theadministration’splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaninitiativepushtowardwhatwould17bealicense”mentality.Theplanhasalsobeengreetedwith18bysomeexperts,whoworrythatthe“volu

7、ntaryecosystem”wouldstillleavemuchoftheInternet19.Theyarguethatshouldbe20toregisterandidentifythemselves,indriversmustbelicensedtodriveonpublicroads.1.A.sweptB.skippedC.walkedD.ridden2.A.forB.withinC.whileD.though3.A.carelessB.lawlessC.pointlessD.helpl

8、ess4.A.reasonB.reminderC.compromiseD.proposal5.A.informationB.interferenceC.entertainmentD.equivalent6.A.byB.intoC.fromD.over7.A.linkedB.directedC.chainedD.compared8.A.dismissB.discoverC.createD.improve9.A.recallB.suggestC.selectD.reali