专四阅读模拟附答案解析

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1、专四阅读模拟附答案解析Passage1 第一页：阅读练习 第二页：答案详解        Thesimpleactofsurrenderingatelephonenumbertoastoreclerkmaynotseemharmful--somuchsothatmanyconsumersdoitwithnoquestionsasked.Yetthatoneactioncansetinmotionacascadeofsilentevents,asthatdatapointisacquired,analyzed,categorized,storedandsoldover

2、andoveragain.Futureattacksonyourprivacymaycomefromanywhere,fromanyonewithmoneytopurchasethatphonenumberyousurrendered.Ifyoudoubtthemultipliereffect,consideryoure-mailinbox.Ifit'sloadedwithspam,it'sundoubtedlybecauseatsomepointintimeyouunknowinglysurrenderedyoure-malltothewrongWebsite. 

3、     Doyouthinkyourtelephonenumberoraddressishandleddifferently?Acottageindustryofsmallcompanieswithnamesyou'veprobablyneverheardof--likeAcxiomorMerlin--buyandsellyourpersonalinformationthewayothercommoditieslikecornorcattlefuturesarebartered.Youmaythinkyourcellphoneisunlisted,butifyou

4、'veeverorderedapizza,itmightnotbe.Merlinisoneofmanycommercialdatabrokersthatadvertisessaleofunlistedphonenumberscompiledfromvarioussources--includingpizzadeliverycompanies.Theseunintended,unpredictableconsequencesthatflowfromsimpleactionsmakeprivacyissuesdifficulttograsp,andgrapplewith

5、.      Inalargersense,privacyalsoisoftencastasataleof"BigBrother"--thegovernmentiswatchingyouorAnbigcorporationiswatchingyou.Butprivacyissuesdon’tnecessarilyinvolvelargefacelessinstitutions:Aspousetakesacasualglanceatherhusband'sBlackberry,aco-workerlooksate-malloveryourshoulderorafrie

6、ndglancesatacellphonetextmessagefromthenextseatonthebus.whileverylittleofthisisnewstoanyone--peoplearenowwellawaretherearevideocamerasandInternetcookieseverywhere--thereisabundantevidencethatpeoplelivetheirlivesignorantofthemonitoring,assumingamythicallevelofprivacy.Peoplewritee-mailsa

7、ndtypeinstantmessagestheyneverexpectanyonetosee.JustaskMarkFoleyorevenBillGates,whosee-mailswereacornerstoneoftheJusticeDepartment'santitrustcaseagainstMicrosoft.      AndpollsandstudieshaverepeatedlyshownthatAmericansareindifferenttoprivacyconcerns.Thegeneraldefenseforsuchindifferen