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页数:15页
时间:2018-12-19
《2011年考研英语二真题和答案》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、WORD格式整理2011年研究生入学考试英语二真题SectionI UseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexpl
2、osionofcyber-crimethathas 1 acrosstheWeb.Canprivacybepreserved 2 bringingsafetyandsecuritytoaworldthatseemsincreasingly 3 ?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbeth
3、ehigh-tech 5 ofaphysicalkey,afingerprintandaphotoIDcard,allrolled 6 one.Thesystemmightuseasmartidentitycard,oradigitalcredential 7 toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto 8 afederationofprivateonlineidentitysystems.Usercould 9 whi
4、chsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense 10 bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsth
5、atmakeitpossibleforusersto 11 justoncebutusemanydifferentservices. 12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa 13 community.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorgan
6、izationscancompleteonlinetransactionswith 14 ,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16 privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeis
7、aninitiativepushtowardwhatwould 17 beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith 18 bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet 19 .TheyarguethatallInternetusersshou
8、ldbe 20 toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroad
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