欢迎来到天天文库
浏览记录
ID:15311342
大小:284.00 KB
页数:13页
时间:2018-08-02
《2011年考研英语(二)真题》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年考研英语(二)真题完整版SectionIUseofEnglish Directions: Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points) TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-cri
2、methathas1acrosstheWeb. Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3? Lastmonth,HowardSchmidt,thenation‘scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech5ofaphysicalkey,afingerpr
3、intandaphotoIDcard,allrolled6one.Thesystemmightuseasmartidentitycard,oradigitalcredential7toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices. Theideaisto8afederationofprivateonlineidentitysystems.Usercould9whichsystemtojoin,andonlyregistereduserswhoseidentitieshave
4、beenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver‘slicense10bythegovernment. GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices. 12.theapp
5、roachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa13community. Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompleteonlinetransactionswith14,trustingtheidentitiesofeachotherandtheidentitie
6、softheinfrastructure15whichthetransactionruns”。 Still,theadministration‘splanhas16privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould17beacompulsoryInternet“drive’slicense”mentality. Theplanhasalsobeengreetedw
7、ith18bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet19.TheyarguethatallInternetusersshouldbe20toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads. 1.A.sweptB.skippedC.walkedD
8、.ridd
此文档下载收益归作者所有