文档介绍：研究生入学考试英语二真题SectionI UseofEnglishDirections:(s)foreachnumberedblackandmarkA,B,CorDonANSWERSHEET1.(10points)"affordsanonymitytoitsusers—  1    2  bringingasemblanceofsafetyandsecuritytoaworldthatseemsincreasingly  3  ?  Lastmonth,HowardSchmidt,thenation’scyberczar,offeredtheObamagovernmenta 4  tomaketheWebasaferplace—a“voluntaryidentify”systemthatwouldbethehigh-tech  5  ofaphysicalkey,fingerprintandaphotoIDcard,allrolled  6  ,oradigitalcredential  7  puter,  8    9  whichsystemtojoin,’slicense  10  bythegovernment. paniesthatalreadyhavesign-on”systemsthatmakeitpossibleforusersto  11  justoncebutusemanydifferentservices.  12  ,theapproachwouldcreatea“walledgarden”insafe“neighborhoods”andbright“streetlights”toestablishasenseof  13  community. “voluntaryecosystem”ransactionswith  14  ,trustingtheidentitiesoftheinfrastructurethatthetransactionruns  15  .'"Still,theadministration’splanhas  16  ;  17  bealicense”mentality. Theplanhasalsobeengreetedwith  18  bysomeexperts,whoworrythatthe“voluntaryecosystem”  19  .Theyarguethatshouldbe  20  toregisterandidentifythemselves,indriversmustbelicensedtodriveonpublicroads.