考研英语二真题及答案汇总.doc

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1、2011年考研英语二真题及答案汇总【完形填空】"TheInternetaffordsanonymitytoitsusers—aboontoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcybercrimethathas1acrosstheWeb.Canprivacybepreserved2bringingasemblanceofsafetyandsecuritytoaworldthatseemsincreasingly3?Lastmonth,Howar

2、dSchmidt,thenation‟scyberczar,offeredtheObamagovernmenta4tomaketheWebasaferplace—a“voluntaryidentify”systemthatwouldbethehigh-tech5ofaphysicalkey,fingerprintandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer,andwouldauthe

3、nticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentifysystems.Userscould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver‟slicense10byt

4、hegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices.12,theapproachwouldcreatea“walledgarden”insafe“neighborhoods”andbright“streetlights”toestablishasenseof13community.Mr.Schmidtdescribe

5、ditasa“voluntaryecosystem”inwhichindividualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesoftheinfrastructurethatthetransactionruns15.'"Still,theadministration‟splanhas16privacyrightsactivists.Someapplaudtheapproach。othersareconcerned.Itseemscleartha

6、tsuchaninitiativepushtowardwhatwould17bealicense”mentality.Theplanhasalsobeengreetedwith18bysomeexperts,whoworrythatthe“voluntaryecosystem”wouldstillleavemuchoftheInternet19.Theyarguethatshouldbe20toregisterandidentifythemselves,indriversmustbelicensedtodriveonpublicroads.1.A.

7、sweptB.skippedC.walkedD.ridden2.A.forB.withinC.whileD.though3.A.carelessB.lawlessC.pointlessD.helpless4.A.reasonB.reminderC.compromiseD.proposal5.A.informationB.interferenceC.entertainmentD.equivalent6.A.byB.intoC.fromD.over7.A.linkedB.directedC.chainedD.compared8.A.dismissB.d

8、iscoverC.createD.improve9.A.recallB.suggestC.selectD.realize1