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时间:2018-09-18
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1、2011年考研英语(二)真题完整版SectionIUseofEnglish Directions: Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points) TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplo
2、sionofcyber-crimethathas1acrosstheWeb. Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3? Lastmonth,HowardSchmidt,thenation‘scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh
3、-tech5ofaphysicalkey,afingerprintandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices. Theideaisto8afederationofprivateonlineidentitysystems.Usercould9whichsystemtoj
4、oin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver‘slicense10bythegovernment. GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibl
5、eforusersto11justoncebutusemanydifferentservices. 12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa13community. Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompl
6、eteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransactionruns”。 Still,theadministration‘splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushto
7、wardwhatwould17beacompulsoryInternet“drive’slicense”mentality. Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInternetusersshouldbe20toregisterandi
8、dentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads. 1.A.sweptB.skippedC.walkedD.ridd
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