欢迎来到天天文库
浏览记录
ID:22924870
大小:549.00 KB
页数:13页
时间:2018-11-01
《2012考研英语真题二(附答案解析)》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、WORD格式可编辑2011年考研英语(二)真题(完整版)SectionIUseofEnglish Directions: Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points) TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalso
2、behindtheexplosionofcyber-crimethathas1acrosstheWeb. Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3? Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemt
3、hatwouldbethehigh-tech5ofaphysicalkey,afingerprintandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices. Theideaisto8afederationofprivateonlineidentitysystems.User
4、could9whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense10bythegovernment. GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”s
5、ystemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices. 12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa13community. Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individua
6、lsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransactionruns”. Still,theadministration’splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsu
7、chaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet“drive’slicense”mentality. Theplanhasalsobeengreetedwith18bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInter
8、netusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.专业技术资料分享WORD格式可编辑1.A.sw
此文档下载收益归作者所有