2013届高考英语一轮复习课时知能训练 Unit 4 Sharing 新人教版选修7.doc

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1、课时知能训练Ⅰ.阅读理解(2012·惠州调研)SomedayastrangerwillreadyouremailwithoutyourpermissionorscantheWebsiteyou'vevisited，orperhapssomeonewillcasuallyglancethroughyourcreditcardpurchasesorcellphonebillstofindoutyourshoppingpreferencesorcallinghabits.Infact，it'slikelythatsomeofth

2、esethingshavealreadyhappenedtoyou.Whowouldwatchyouwithoutyourpermission?Itmightbeaspouse，agirlfriend，amarketingcompany，aboss，acoporacriminal.Whoeveritis，theywillseeyouinawayyouneverintendedtobeseen—the_21st_century_replacement_of_being_caught_naked.Psychologistste

3、llusboundariesarehealthy，thatit'simportanttorevealyourselftofriends，familyandloversinstages，atappropriatetimes.Butfewboundariesremain.Thedigitalbreadcrumbs(碎屑)youleaveeverywheremakeiteasyforstrangerstoreconstructwhoyouare，whereyouareandwhatyoulike.Insomecases，asim

4、pleGooglesearchcanrevealwhatyouthink.Likeitornot，increasinglyweliveinaworldwhereyousimplycannotkeepasecret.Thekeyquestionis:Doesthatmatter?FormanyAmericans，theanswerapparentlyis“no”．WhenopinionpollsaskAmericansaboutprivacy，mostsaytheyareconcernedaboutlosingit.Asur

5、veyfoundastrongbadfeelingaboutprivacy，with60percentofrespondentssayingtheyfeeltheirprivacyis“slippingaway，andthatbothersme”．Butpeoplesayonethinganddoanother.OnlyatinypartofAmericanschangeanybehaviorsinanefforttopreservetheirprivacy.Fewpeopleturndownadiscountattoll

6、booths(收费站)toavoidusingtheEZPasssystemthatcantrackautomobilemovements.Andfewturndownsupermarketloyaltycards.PrivacyeconomistAlessandroAcquistihasrunaseriesofteststhatrevealpeoplewillgiveawaypersonalinformationlikeSocialSecuritynumbersjusttogettheirhandsonapitiful5

7、0centoffcoupon(优惠券)．Butprivacydoesmatter—atleastsometimes.It'slikehealth:Whenyouhaveit，youdon'tnoticeit.Onlywhenit'sgonedoyouwishyou'ddonemoretoprotectit.【语篇解读】　本文主要讲述了信息时代的隐私保护问题。1．Whatdoestheauthormeanbysaying“the21stcenturyreplacementofbeingcaughtnaked”？A．Peopl

8、e'spersonalinformationiseasilyaccessedwithouttheirknowledge.B．Inthe21stcenturypeopletryeverymeanstolookintoothers'secrets.C．Peopletendtobemorefrankwithe