2018-2019学年高二英语上学期入学测试试题

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1、xx-2019学年高二英语上学期入学测试试题完形填空（每题1.5分）TheInternetaffordsanonymitytoitsusers,ablessingtoprivacyandfreedomofspeech.Butthatveryanonymityisalsobehindtheexplosionofcyber-crimethathas(1)acrosstheWeb.Canprivacybepreserved(2)bringingsafetyandsecuritytoaworldthatseemsincreasingly(3)？Lastmonth,Howard

2、Schmidt,thenation'scyber-czar,offeredthefederalgovernmenta(4)tomaketheWebasaferplace----a"voluntarytrustedidentity"systemthatwouldbethehigh-tech(5)ofaphysicalkey,afingerprintandaphotoIDcard,allrolled(6)one.Thesystemmightuseasmartidentitycard,oradigitalcredential(7)toaspecificputer,andwo

3、uldauthenticateusersatarangeofonlineservices.Theideaisto(8)afederationofprivateonlineidentitysystems.Usercould(9)whichsystemtojoin,andonlyregistereduserswhoseidentitieshavebeenauthenticatedcouldnavigatethosesystems.TheapproachcontrastswithonethatwouldrequireanInternetdriver'slicense(10)

4、bythegovernment.GoogleandMicrosoftareamongpaniesthatalreadyhavethese"singlesign-on"systemsthatmakeitpossibleforusersto(11)justoncebutusemanydifferentservices.(12),theapproachwouldcreatea"walledgarden"cyberspace,withsafe"neighborhoods"andbright"streetlights"toestablishasenseofa(13)munity

5、.Mr.Schmidtdescribeditasa"voluntaryecosystem"inwhich"individualsandorganizationscanpleteonlinetransactionswith(14),trustingtheidentitiesofeachotherandtheidentitiesoftheinfrastructrue(15)whichthetransactionruns".Still,theadministration'splanhas(16)privacyrightsactivists.Someapplaudtheapp

6、roach;othersareconcerned.Itseemsclearthatsuchaschemeisaninitiativepushtowardwhatwould(17)beapulsoryInternet"driver'slicense"mentality.Theplanhasalsobeengreetedwith(18)bysomeputersecurityexperts,whoworrythatthe"voluntaryecosystem"envisionedbyMr.SchmidtwouldstillleavemuchoftheInternet(19)

7、.TheyarguethatallInternetusersshouldbe(20)toregisterandidentifythemselves,inthesamewaythatdriversmustbelicensedtodriveonpublicroads.(1)A．sweptB．skippedC．walkedD．ridden(2)A．forB．withinC．whileD．though(3)A．carelessB．lawlessC．pointlessD．helpless(4)A．reasonB．reminderC．promiseD．propo