M7 U1 Reading 课件

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1、TVandaudiodevices:areviewReading:Questionnaire:1.DoyouhaveaMP3?YesNo2.Doyoualwaystakeitwithyouevenatschool?AlwaysSometimesNever3.DoyouagreetotakeMP3atshool?YesNo4.HowlongdoyouspendlisteningtoyourMP3aday?Morethan2hoursAbout1hourBelow30mins.TechnologyUsageComputerTheInternetC

2、ellphoneNewtechnologyisoftenusedinoldways.asatypewriter/taperecorder/VCDplayer/notebook/calendar/telephone/calculatorasalibrary/magazine/TV/telephone/bank/storeasatelephone/watch/calendar/camera/computerHaveyoueverseensuchamousebefore?Whatfunctiondoyouthinkithas?Itcanalsoac

3、tasaCDplayer.WhatfunctionsdoyouneedinaTVsetoranaudiodevices?AreyouinterestedinthedevelopmentofTVandaudiodevices?TVandaudiodevices:areviewReadingstrategy:understandingsubtitlesSubtitlesappearaftertitlesandgiveyoumoreinformationaboutthetextthanthetitles.types_______historyofa

4、udiodevicesTaperecordersandplayers________goesdigitalTVAudiodevicesPassagestructureEarlytimemodernEarlySounds______historyofTVage:CableTV,satelliteTV,digitalTV,…Theinorderof________(By_______ofequipment)_______Firstreading:readthetextandfinishPartAonP2Reading.swf1.Whendidre

5、gularpublicTVbroadcastingbeginaroundtheworld?2.WhatisWebTV?3.Whatwasinventedin1954?Itbeganon11May1928inNewYorkandinLondonon20August1929.ItistheTVsetcombinedwiththeWorldWideWeb.Thecassetterecorder.Carefulreading:ReadthetextagainandcompletePartsC1andC2.C1:Trueorfalseexercises

6、ThomasEdisonmadethefirstrecordingofahumanvoice.2.Until1972,mostpeopleusedblack-and-whiteTV.3.SatelliteTVisdeliveredwithgreaterclaritythandigitalTV.4.Thefirstrecordplayerwasinventedbefore1877.5.Transistortechnologywasfirstusedtoreceiveradioprogrammes,andthentodevelopcassette

7、recorders.6.CDswereinventedabouttenyearsbeforetheMDplayerwasinvented.7.MP3technologybeganinGermanyin1987.DigitalTVsatelliteTVafterformilitaryuseC2:FillintheformYearEvent1877Firstrecordingofahumanvoicewasmade19251948195119541958FirstpublicshowingsofwirelessTVtransmissionswer

8、emadeintheUSA.CableTVbeganintheUSA;3Americanscientistsinventedthetransistor.Colour