新视野第四册第四单元U04A课件.ppt

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1、TheTelecommunicationsRevolutionAIRFORCEUNIVERSITYOFENGINEERINGFOREIGNLANGUAGETEACHINGANDRESEARCHPRESSUnit4SectionAPre-readingActivitiesTextStudySummaryWritingLead-inLead-inNHCE课文小结预习写作InteractiveModeIInteractiveModeIIInteractiveModeIII123Ourtopictodayis“telecommunications”.Technicallyspeaking,i

2、treferstothesendingandreceivingofmessagesbytelephone,radio,television,etc.Likeitornot,theworldwidetelecommunicationsrevolutionisalreadyontheupswing.Nowlet’sproceedwithourtopic-centeredlead-in:Lead-in课文小结预习写作BackModeIModeIIModeIII随笔Drivenbysuchtelecommunicationsreform,moreandmorecountriesplantop

3、ourplentyofmoneyintotherenewaloftheirtelecommunicationsinfrastructure,somyquestionis:Q1:Whyaresomanydevelopingcountriesconductingthetelecommunicationsrevolution?课文小结预习写作BackTipsTipsModeIModeIIModeIII随笔InteractiveModeIBecausetheworldlivesintheageofinformation?Becausetimelyaccesstoinformationisvi

4、taltotheireconomicprogress?Becausethere’vebeendramaticchangesinthetransferofinformation?…Q2:Isittrueoftherevolutionthat,thefaster,thebetter?课文小结预习写作TipsTipsHastemakeswaste;Itisfarfromrealisticforsomecountriestomakeitinonejump;Thereismuchneedtoweighcosts;Itwillresultinmoreoflossthangain;…ModeIMo

5、deIIModeIII随笔InteractiveModeIIBackQ3:Whatbenefitswilltherevolutionbringtothedevelopingcountries?课文小结预习写作TipsTipsWillitgivethemanedgeinleapingovertheirbackwardness?Willitpromotetheirdomesticandforeigninvestment?Willitnarrowthegapoftechnologybetweenthemandthefirstworld?Willitenablethemtocruisealo

6、ngsidethedevelopedcountriesinthisfield?ModeIModeIIModeIII随笔InteractiveModeIIIBackPre-readingBackgroundInformationCompoundDictationWatchandDiscussNHCE课文小结导入写作BackgroundInformation课文小结导入写作Back1.InformationAge背景知识复合听写视频讨论随笔TheInformationAgeisaneraoffundamentalandglobalchangeinintellectual,philosop

7、hical,culturalandsocialterms.Today’sInformationAgebeganwiththetelegraph.Itwasthefirstinstrumenttotransforminformationintoelectricalformandtransmititreliablyoverlongdistances.Newtechniquesofencodinganddistributingdigitalinformation