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ID:18520098
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页数:12页
时间:2018-09-18
《2011考研英语二真题及答案0》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英语二真题SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-crimethathas1acros
2、stheWeb.Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech5ofaphysicalkey,afingerprintandaphotoIDcard,allrolled6o
3、ne.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto8afederationofprivateonlineidentitysystems.Usercould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.
4、TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense10bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices.12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighb
5、orhoods”andbright“streetlights”toestablishasenseofa13community.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransactionruns”.Still,theadministration’
6、splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.S
7、chmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInternetusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.1.A.sweptB.skippedC.walkedD.ridden2.A.forB.withinC.whi
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