10月MBA英语考试真题.doc

文档介绍：SectionIUseofEnglish Directions: (s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points) affordsanonymitytoitsusers,-crimethathas1acrosstheWeb. Canprivacybepreserved2bringingsafetyandsecuritytoaworldthatseemsincreasingly3? Lastmonth,HowardSchmidt,thenation’scyber-czar,offeredthefederalgovernmenta4tomaketheWebasaferplace-a“voluntarytrustedidentity”systemthatwouldbethehigh-tech5ofaphysicalkey,afingerprintandaphotoIDcard,,. ,’slicense10bythegovernment. paniesthatalreadyhavethese“singlesign-on”systemsthatmakeitpossibleforusersto11justoncebutusemanydifferentservices. approachwouldcreatea“walledgarden”ncyberspace,withsafe“neighborhoods”andbright“streetlights”munity. “voluntaryecosystem”inwhich“ransactionswith14,trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructure15whichthetransactionruns”. Still,theadministration’;othersareconcerned.“drive’slicense”mentality. putersecurityexperts,whoworryth