2011考研英语二真题及答案.doc

《2011考研英语二真题及答案.doc》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年全国硕士研究生入学统一考试(英语二)试题SectionI UseofEnglishDirections：Readthefollowingtext.Choosethebestword(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindt

2、heexplosionofcyber-crimethathas 1 acrosstheWeb.Canprivacybepreserved 2  bringingsafetyandsecuritytoaworldthatseemsincreasingly 3  ?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemt

3、hatwouldbethehigh-tech 5 ofaphysicalkey,afingerprintandaphotoIDcard,allrolled 6 one.Thesystemmightuseasmartidentitycard,oradigitalcredential 7 toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto 8 afederationofprivateonlineidentitysyste

4、ms.Usercould 9 whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense     10   bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese

5、“singlesign-on”systemsthatmakeitpossibleforusersto  11 justoncebutusemanydifferentservices. 12.theapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa  13 community.Mr.Schmidtdescribeditasa“voluntaryecosyst

6、em”inwhich“individualsandorganizationscancompleteonlinetransactionswith 14 ,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16 privacyrightsactivists.Someapplaudtheapproach;othersarecon

7、cerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould 17 beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengreetedwith 18 bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInte

8、rnet 19 .TheyarguethatallInternetusersshouldbe 20 toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroad