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时间:2020-03-30
《年考研英语二真题及答案解析.docx》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)真题及参考答案SectionI UseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosio
2、nofcyber-crimethathas 1 acrosstheWeb.Canprivacybepreserved 2 bringingsafetyandsecuritytoaworldthatseemsincreasingly 3 ?Lastmonth,HowardSchmidt,thenation'scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a"voluntarytrustedidentity"systemthatwouldbethehigh-tec
3、h 5 ofaphysicalkey,afingerprintandaphotoIDcard,allrolled 6 one.Thesystemmightuseasmartidentitycard,oradigitalcredential 7 toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto 8 afederationofprivateonlineidentitysystems.Usercould 9 whichsystemtojoin
4、,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver'slicense 10 bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese"singlesign-on"systemsthatmakeitpossiblefor
5、usersto 11 justoncebutusemanydifferentservices.12.theapproachwouldcreatea"walledgarden"ncyberspace,withsafe"neighborhoods"andbright"streetlights"toestablishasenseofa 13 community.Mr.Schmidtdescribeditasa"voluntaryecosystem"inwhich"individualsandorganizationscancompleteonline
6、transactionswith 14 ,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure 15 whichthetransactionruns".Still,theadministration'splanhas 16 privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwoul
7、d 17 beacompulsoryInternet"drive'slicense"mentality.Theplanhasalsobeengreetedwith 18 bysomecomputersecurityexperts,whoworrythatthe"voluntaryecosystem"envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet 19 .TheyarguethatallInternetusersshouldbe 20 toregisterandidentifythemse
8、lves,inthesamewaythatdriversmustbelicensedtodriveonpublicroad
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