2011年考研英语二真题及答案.docx

2011年考研英语二真题及答案

第一篇：2011年考研英语二真题及答案沪江英语2011年考研英语二真题及答案【完形填空】这是2011年考研英语二完形填空真题及答案，由跨考教育提供。仅供参考。“TheInternetaffordsanonymitytoitsusers—aboontoprivacyandfreedomofspeech.ButthatveryanonymityisalsobehindtheexplosionofcybercrimethathassweptacrosstheWeb.Canprivacybepreservedwhilebringingasemblanceofsafetyandsecuritytoaworldthatseemsincreasinglylawless?Lastmonth,HowardSchmidt,thenation’scyberczar,offeredtheObamagovernmentaproposaltomaketheWebasaferplace—a“voluntaryidentify”systemthatwouldbethehigh-techequivalentofaphysicalkey,fingerprintandaphotoIDcard,allrolledintoone.Thesystemmightuseasmartidentitycard,oradigitalcredential.linkedtoaspecificcomputer,andwouldauthenticateusersatarangeofonlineservices.Theideaistocreateafederationofprivateonlineidentifysystems.Userscouldselectwhichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicensereleasedbythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavesign-on”systemsthatmakeitpossibleforuserstologinjustoncebutusemanydifferentservices.Ineffect,theapproachwouldcreatea“walledgarden”insafe“neighborhoods”andbright“streetlights”toestablishasenseoftrustedcommunity.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhichinpidualsandorganizationscancompleteonlinetransactionswithconfidence,trustingtheidentitiesoftheinfrastructurethatthetransactionrunson.'”Still,theadministration’splanhasprotectedprivacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaninitiativepushtowardwhatwouldeventuallybealicense”mentality.Theplanhasalsobeengreetedwithskepticismbysomeexperts,whoworrythatthe“voluntaryecosystem”wouldstillleavemuchoftheInternetvulnerable.Theyarguethatshouldbeforcedtoregisterandidentifythemselves,indriversmustbelicensedtodriveonpublicroads.1.A.sweptB.skippedC.walkedD.ridden2.A.forB.withinC.whileD.though3.A.carelessB.lawlessC.pointlessD.helpless4.A.reasonB.reminderC.compromiseD.proposal5.A.informa