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考研英语二真题-20112011年全国硕士研究生入学统一考试(英语二)试题SectionI UseofEnglishDirections:(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)affordsanonymitytoitsusers,-crimethathas 1 2 bringingsafetyandsecuritytoaworldthatseemsincreasingly 3 ?Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech 5 ofaphysicalkey,afingerprintandaphotoIDcard,allrolled 6 ,oradigitalcredential 7 8 9 whichsystemtojoin,’slicense 10 “singlesign-on”systemsthatmakeitpossibleforusersto 11 justoncebutusemanydifferentservices. “walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa “voluntaryecosystem”inwhich“ransactionswith 14 ,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure 15 whichthetransactionruns”.Still,theadministration’splanhas 16 ; 17 “drive’slicense” 18 putersecurityexperts,whoworrythatthe“voluntaryecosystem”envisionedbyMr. 19 .usersshouldbe 20 toregisterandidentifythemselves,.

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