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时间:2019-01-05
《2011年硕士研究生入学考试2011英语二真题及参考答案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2011年硕士研究生入学考试2011英语二真题及参考答案SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-crim
2、ethathas1acrosstheWeb.Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech5ofaphysicalkey,afingerprintandaphot
3、oIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentitysystems.Usercould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedco
4、uldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense10bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices.12.theapproachwouldcreatea“walledgarde
5、n”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa13community.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransac
6、tionruns”.Still,theadministration’splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,whoworrythat
7、the“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInternetusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.1.A.sweptB.skippedC.walkedD.ridden2.A.forB.wi
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