中科大综合英语听力教程Unit2

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1、UnitTwoLifeandSuccessPartISchoolingandGrowing-upTask3Directions:Listentothefollowingpassageabouttheinfluenceoftelevisiononchildren.Thepassagewillbereadonlyonce.Afterlistening,choosethebestanswerfromthefoursuggestedchoicesmarkedA,B,C,andDtoeachofthequestionsyouhear.ChildrenintheUnitedSta

2、tesareexposedtomanyinfluencesotherthanthatoftheirfamilies.Televisionisthemostsignificantoftheseinfluences,becausethehabitofwatchingtelevisionusuallybeginsbeforechildrenstartattendingschool.And,bythetimethattheaveragechildfinisheshighschool,heorshewillhavespent18,000hoursinfrontofatelevi

3、sionsetasopposedto12,000hoursinaclassroom.Parentsareconcernedaboutthesefigures.Theyarealsoconcernedaboutthelackofqualityintelevisionprogramsforchildren.Thedegreeofvioleneeinmanyoftheseshowsalsoworriesthem.Evenifitisunreal—acartooncatbeatingupacartoonmousewithabaseballbat-thisviolencemay

4、haveanegativeeffectontheyoungmindsexposedtoit.Studiesindicatethat,whenchildrenareexposedtoviolence,theymaybecomeaggressiveorinsecure.Parentsarealsoconcernedaboutthecommercialsthattheirchildrenseeontelevision.Manyparentswouldliketoseefewercommercialsduringprogramsforchildren.Andsomeparen

5、tsfeelthattheseshowsshouldnothaveanycommercialsatallbecauseyoungmindsarenotmatureenoughtodealwiththeclaimsmadebyadvertisers・Educationaltelevisionhasnocommercialsandhasprogramsforchildrenthatmanyparentsapproveof.ThemostfamousoftheseisnSesameStreet/1whichtriestogivepreschoolchildrenaheads

6、tartinlearningthealphabetandnumbers.Italsotriestoteachchildrenusefulthingsabouttheworldinwhichtheylive.Eventhoughmostparentsandeducatorsgive"SesameStreetnandshowslikeithighmarksforquality,somecriticsarguethatalltelevision,whethereducationalornot,isharmfultochildren.Thesecriticsfeelthatt

7、hehabitofwatchinghoursoftelevisioneverydayturnschildrenintoboredandpassiveconsumersoftheirworldratherthanencouragingthemtobecomeactiveexplorersofit.Questions:1・Whatisthispassagemainlyabout?2・Atwhattimedoesthehabitofwatchingtelevisionusuallystart?3・HowmanyhourshaveAmericanchildr