问题详情

TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-crimethathas(1)acrosstheWeb.
Canprivacybepreserved(2)bringingsafetyandsecuritytoaworldthatseemsincreasingly(3)？
Lastmonth,HowardSchmidt,thenation"scyber-czar,offeredthefederalgovernmenta(4)tomaketheWebasaferplacea"voluntarytrustedidentity"systemthatwouldbethehigh-tech(5)ofaphysicalkey,afingerprintandaphotoIDcard,allrolled(6)one.Thesystemmightuseasmartidentitycard,oradigitalcredential(7)toaspecificcomputer,andwouldauthenticateusersatarangeofonlineservices.
Theideaisto(8)afederationofprivateonlineidentitysystems.Usercould(9)whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver"slicense(10)bythegovernment.
GoogleandMicrosoftareamongcompaniesthatalreadyhavethese"singlesign-on"systemsthatmakeitpossibleforusersto(11)justoncebutusemanydifferentservices.
(12),theapproachwouldcreatea"walledgarden"cyberspace,withsafe"neighborhoods"andbright"streetlights"toestablishasenseofa(13)community.
Mr.Schmidtdescribeditasa"voluntaryecosystem"inwhich"individualsandorganizationscancompleteonlinetransactionswith(14),trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructrue(15)whichthetransactionruns".
Still,theadministration"splanhas(16)privacyrightsactivists.Someapplaudtheapproach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould(17)beacompulsoryInternet"drive"slicense"mentality.
Theplanhasalsobeengreetedwith(18)bysomecomputersecurityexperts,whoworrythatthe"voluntaryecosystem"envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet(19).TheyarguethatallInternetusersshouldbe(20)toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.
(1)
A．swept
B．skipped
C．walked
D．ridden

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