大学英语第四单元ppt培训课件

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1、Unit4TURNINGOFFTV:AQUIETHOURContentInformationrelatedtothetextIntroductionDetailedreadingLanguagepointsAfterreadingInformationrelatedtothetext1.UStelevision:AdemonstrationoftelevisionwasheldattheNewYorkWorld’sFairin1939,andduringthe1940snetworkswereestablishedandTVsetsbegantobesold.Itwasin

2、the1950sthattelevisionstartedtotaketheplaceofradiointheUS.Todaytherearemorethan1000stationsalloverthecountry.2.TheBigThreeoftheUSTelevisionNetworks:TheNationalBroadcastingCompany(NBC)TheColumbiaBroadcastingSystem(CBS)TheAmericanBroadcastingCompany(ABC)Theyoncecontrolledupto99%oftheUStelevi

3、sion.ButwiththebroadcastcompetitorssuchasFox,theWB(WarnerBrothers),theUPN(UnitedParamountNetwork),satelliteandcablecompanies,theBigThree’sMarketsharedecreased.根据尼尔森公司的调查数据，有一半美国家庭拥有3台或以上的电视机，只有19%的家庭只拥有一台电视。尼尔森公司的调查报告提供了不少例子。例如，纽约一名设备经理家里拥有3台电视机，还不包括浴室里的一台可视对讲机。这还算平常的，如果家里有孩子，电视机的数量可能要翻倍：一

4、对拥有双胞胎的纽约夫妇家里有7台电视机，另外有一台新的电视机还没有安装——夫妇的房间里装一台、两个孩子的房间各一台、客厅一台、厨房一台……电视机几乎是无处不在。3.CouchPotato4TVcanbringsomeproblemsThegenerationgapThetermisusedtomeandifferencesinideas,lifestylesandattitudesbetweenolderandyoungerpeople,differenceswhichresultinalackofunderstandingbetweenthemandfrequentlyl

5、eadtoconfrontations.HighdivorcerateintheUSDivorceisamajorproblemintheUS.Atpresent,itisestimated,aboutonequartertoonethirdofallAmericanmarriagesendindivorce.Thereisagreatdifferenceofopinionastothecausesofthishighrateofdivorce..Butstudiesindicatethattherearemorecasesofdivorceamongpersonswith

6、lowincomesandinadequateeducationandamongthosewhomarryataveryyoungage.Apartfromlegallydivorcedcasestherearemanyseparatedcouples.Theimmediateresultthatarisesfromthehighdivorerateisanincreasingnumberofsingleparenthomes,i.e.,homeswherechildrenarebeingraisedbyonlyoneparent.返回目录I、IntroductoryRem

7、arksTelevision,sinceitsfirstprevalenceoverradiointhe1950s,hasplayedamoreandmoreimportantroleinpeople’slives..Asamatteroffact,ithasbecomesomuchapartofhumanlifethatamodernworldwithouttelevisionisunimaginable.Somepeopleevensaythatlifewithouttelevisionisnotworthli