搜索
TheTelecommunicationsRevolutionAIRFORCEUNIVERSITYOFENGINEERINGFOREIGNLANGUAGETEACHINGANDRESEARCHPRESSUnit4SectionAPre-readingActivitiesTextStudySummaryWritingLead-inLead-in课文小结预习写作InteractiveModeIInteractiveModeIIInteractiveModeIII123Ourtopictodayis“telecommunications”.Technicallyspeaking,itreferstothesendingandreceivingofmessagesbytelephone,radio,television,etc.Likeitornot,theworldwidetelecommunicationsrevolutionisalreadyontheupswing.Nowlet’sproceedwithourtopic-centeredlead-in:Lead-in课文小结预习写作BackModeIModeIIModeIII随笔Drivenbysuchtelecommunicationsreform,moreandmorecountriesplantopourplentyofmoneyintotherenewaloftheirtelecommunicationsinfrastructure,somyquestionis:Q1:Whyaresomanydevelopingcountriesconductingthetelecommunicationsrevolution?课文小结预习写作BackTipsTipsModeIModeIIModeIII随笔InteractiveModeI1)Becausetheworldlivesintheageofinformation?2)Becausetimelyaccesstoinformationisvitaltotheireconomicprogress?3)Becausethere’vebeendramaticchangesinthetransferofinformation?4)…Q2:Isittrueoftherevolutionthat,thefaster,thebetter?课文小结预习写作TipsTips1)Hastemakeswaste;2)Itisfarfromrealisticforsomecountriestomakeitinonejump;3)Thereismuchneedtoweighcosts;4)Itwillresultinmoreoflossthangain;5)…ModeIModeIIModeIII随笔InteractiveModeIIBackQ3:Whatbenefitswilltherevolutionbringtothedevelopingcountries?课文小结预习写作TipsTips1)Willitgivethemanedgeinleapingovertheirbackwardness?2)Willitpromotetheirdomesticandforeigninvestment?3)Willitnarrowthegapoftechnologybetweenthemandthefirstworld?4)Willitenablethemtocruisealongsidethedevelopedcountriesinthisfield?ModeIModeIIModeIII随笔InteractiveModeIIIBackPre-readingBackgroundInformationCompoundDictationWatchandDiscuss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,philosophical,culturalandsocialterms.Today’sInformationAgebeganwiththetelegraph.Itwasthefirstinstrumenttotransforminformationintoelectricalformandtransmititreliablyoverlongdistances.NewtechniquesofencodinganddistributingdigitalinformationarepromotingtheprogressoftheInformationAgethroughoutsociety.BackgroundInformation课文小结导入写作Back2.InformationSuperhighway(1)背景知识复合听写视频讨论随笔ThisisanamefirstusedbyformerUSvice-presidentAlGoreforthevisionofaglobal,high-speedcommunicationsnetworkthatwouldcarryvoice,data,video,andotherformsofinformationallovertheworld,andthatwouldmakeitpossibleforpeopletosende-mail,getup-to-the-minutenews,andaccessbusiness,governmentandeducationalinformation.BackgroundInformation课文小结导入写作Back2.InformationSuperhighway(2)背景知识复合听写视频讨论随笔TheInternetisalreadyprovidingmanyofthesefeatures,viatelephonenetworks,cableTVservices,onlineserviceproviders,andsatellites.IntheUS,theinformationsuperhighwayisalsoknownasNationalInformationInfrastructure.Theinformationsuperhighwaycanbeunderstoodtobeahighwaywhichhascomputertechnologyandmoderntelecommunicationstechnologyservingasthebaseoftheroadandfiber-opticcablesservingasthesurfaceBackgroundInformation课文小结导入写作Back2.InformationSuperhighway(3)背景知识复合听写视频讨论随笔oftheroad.The“vehicles”arethemultimediamachinesequippedwithcomputer,televisionandtelephone,andhighspeedtransmissionandexchangeofvariousmultimediainformationformthewebcoveringthewholenation.Ifthenationalsuperhighwaysallovertheworldarelinkedtogether,theglobalinformationsuperhighwaywillbecreated.CompoundDictation课文小结导入写作Back背景知识复合听写视频讨论随笔Directions:Youwillhearapassagethreetimes.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfromS1toS8withtheexactwordsyouhavejustheard.ForblanksnumberedS9toS11youarerequiredtofillinmissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthemainpointsinyourownwords.Nowlistentothepassage.ListentothepassageEricBrewerisabusyman.Heisacomputerscience[S01]________attheUniversityofCalifornia,Berkeley.HealsoisdirectoroftheIntelResearchBerkeleyLab.There,heleadsateamofstudentsandIntelcompanyresearcherson[S02]_______withnewtechnologies.Oneoftheir[S03]________isaWiFi-basedlongdistancenetwork,orWiLDNet.CompoundDictation课文小结导入写作Back背景知识复合听写视频讨论随笔professorprojectscreationsWi-Fiisshortfor[S04]_______fidelity.Wi-Fi[S05]__________,orhotspots,canbefoundinairports,hotels,coffeeshopsandmanyotherplaces.ButWi-Fiis[S06]________forshortdistances.EricBrewer[S07]_______thatmostWiLDNetswillonlyneedtocoverseveralkilometersof[S08]________.Yet,inVenezuela,[S09]___________________________________________________________________________________________.CompoundDictation课文小结导入写作Back背景知识复合听写视频讨论随笔wirelessconnectionsdesignedpredictsterritoryAnetworkusingWilDNettechnologyandspecialsoftwarereachesoverthreehundredeightkilometersCompoundDictation课文小结导入写作Back背景知识复合听写视频讨论随笔EachendpointinaWiLDNetusesarouterthattakesonlyaboutsevenwattsofpower.[S10]______________________________________________________________________________.Therouterscostaboutfourhundreddollars.ButEricBrewertellsusthepriceshouldbelessoncethetechnologyisfinalizedformassproduction.[S11]__________________________________________________________________________________