研究生入学考试英语二真题.doc

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1、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.Butthatveryanonymityisalsobehindtheexplosionofcyber-crimethatha

2、s 1 acrosstheWeb.Canprivacybepreserved 2  bringingsafetyandsecuritytoaworldthatseemsincreasingly 3  ?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech 5 ofaphysicalkey,afingerprint

3、andaphotoIDcard,allrolled 6 one.Thesystemmightuseasmartidentitycard,oradigitalcredential 7 toaspecificcomputer.andwouldauthenticateusersatarangeofonlineservices.Theideaisto 8 afederationofprivateonlineidentitysystems.Usercould 9 whichsystemtojoin,andonlyregistereduserswhoseidentitieshave

4、beenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver’slicense     10   bythegovernment.GoogleandMicrosoftareamongcompaniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto  11 justoncebutusemanydifferentservices. 12.t

5、heapproachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa  13 community.Mr.Schmidtdescribeditasa“voluntaryecosystem”inwhich“individualsandorganizationscancompleteonlinetransactionswith 14 ,trustingtheidentitiesofeachotherandtheiden

6、titiesoftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16 privacyrightsactivists.Someapplaudtheapproach。othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould 17 beacompulsoryInternet“drive’slicense”mentality.Theplanhasalsobeengree

7、tedwith 18 bysomecomputersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet 19 .TheyarguethatallInternetusersshouldbe 20 toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads. 16/16