2011年1月MBA联考英语真题SectionI UseofEnglish Directions:(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points) affordsanonymitytoitsusers,-crimethathas 1 acrosstheWeb. Canprivacybepreserved 2 bringingsafetyandsecuritytoaworldthatseemsincreasingly 3 ? Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta 4 tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech 5 ofaphysicalkey,afingerprintandaphotoIDcard,allrolled 6 ,oradigitalcredential 7 . Theideaisto 8 9 whichsystemtojoin,’slicense 10 bythegovernment. paniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto 11 justoncebutusemanydifferentservices. approachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”toestablishasenseofa munity. “voluntaryecosystem”inwhich“ransactionswith 14 ,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure 15 whichthetransactionruns”. Still,theadministration’splanhas 16
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