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1、30天学不会英语无效退款宫方网站www.28k.cn30天学不会英语无效退款宫方网站www.28k.cn科普知识类第一部分五年高考题荟萃Passage1(09·上海C篇)“Getyourhandsoffme,Ihavebeenstolen,”thelaptop,aportablecomputer,shouted.Thatisanewsolutiontolaptopcomputertheft:aprogramthatletsownersgivetheirpropertyavoicewhenithasbeentaken.Theprogramallowsuserstodisplayalert
2、sonthemissingcomputer’sscreenandeventosetaspokenmessage.Trackingsoftwareforstolenlaptopshasbeenonthemarketforsometime,butthisisthoughttobethefirstthatallowsownerstogivethethiefapieceoftheirmind.Ownersmustreporttheirlaptopmissingbyvisitingawebsite,whichsendsamessagetothemodel:aredandyellow“lostor
3、stolen”signappearsonitsscreenwhenitisstarted.Underthelatestversion（版本）ofthesoftware,userscanalsosendaspokenmessage.Themessagecanbesettoreappearevery30seconds,nomatterhowmanytimesthethiefclosesit.”Onecustomersentamessagesaying,’Youarebeingtracked.Iamrightatyourdoor’,”saidCarrieHafeman,chiefexecut
4、iveofthecompanywhichproducestheprogram,Retriever.Inthelatestversion,peoplecanaddaspokenmessage.Forexample,thelaptop’sspeakerswillsay:“Help,thislaptopisreportedlostorstolen.Ifyouarenotmyowner,reportmenow.”TheRetrieversoftwarepackage,whichcosts$29.95buthasafreetrialperiod,hasthefunctionsofmanysecu
5、ritysoftwareprograms.Ownerscanremotelyswitchtoanalternativepasswordiftheyfearthatthethiefhasalsogotholdoftheaccessdetails.Ifathiefaccessestheinternetwiththestolenlaptop,Retrieverwillcollectinformationontheinternetserviceproviderinuse,sothatthepolicecanbealertedtoitslocation.Thousandsoflaptopsare
6、stoleneveryyearformhomesandoffices,butwiththeuseoflaptopsincreasing,thenumberstolenwhiletheirownersareoutandabouthasbeenrisingsharply.Othersecuritysoftwareallowsuserstoerasedataremotelyorlockdownthecomputer.72.Theexpression“togivethethiefapieceoftheirmind“canbeunderstoodas“_______”A.togivethethi
7、efanalertmindB.toexpresstheowners’angertothethiefC.toremindthethiefofthisconscienceD.tomakethethiefgiveuphismind73.Differentfromothersecuritysoftware,Retrievercan.A.recordthestealingprocessB.helprecognizethelostlaptopC.lockd
