高中牛津英语模块7 UNIT 1 课件

M7Unit1Livingwithtechnologyelectrical&electronic•E.g.•electricalappliances:amachine,usuallyonethatiselectrical,thatisusedfordoingjobsinthehome,suchaswashingclothesorcooking.•electronicdevices:ausuallysmallpieceofequipment,especiallyadvancedelectronicequipment.Whatelectricalandelectronicproductsdoyouhaveathome?BrainstormingWhatwouldlifebelikewithoutthem?Freetalk:Reading:TheevolutionofvideoandsounddevicesTVsantennae[æn'teni:]天线theremotecontrol遥控器Soundrecorderstherecordplayer留声机WalkmanthetaperecordertheCDplayerMP31.WhodevelopedthesystemusedformostearlyTVbroadcasts?2.Whomadethefirstrecordingofahumanvoice?3.Whatweredevelopedbythelate1960s?JohnLogieBaird.ThomasEdison.PortablecassetteplayersandvideorecordersFastreading:readingstrategyheadings1.thefirstthingstolookat2.showyouhowatextisorganized3.givethemainideaofeachsectionPart1:(inorderof_____)Part2:(inorderof______)Part3:carefulreading:TVSoundandvideorecordersThefutureEarlyhistoryofTVThemordernage:satelliteTVEarlyhistoryofsoundrecordersSoundandvideorecordersSoundandvideogodigitaltimetimespecificyearstheeventsReadingfordetailscompetition1.WhomightbetheinventorofthefirstTV?A.EmileBerlinerfromGermanyB.PhiloFarnsworthintheUSA.C.JohnLogieBairdintheUKD.Itremainsuncertain.2.Whenandwherewasthefirstlong-distanceTVbroadcastmade?A.In1925intheUSA.B.In1926intheUK.C.In1928intheUK.D.In1928inboththeUSAandtheUK.3.WhenthefirstcolourTVprogrammewasbroadcast?A.In1928B.In1929C.1938D.19514.Whomighthaveattributedtoinventarecorderplayerthatuseddiscasalternativestotubes?A.twoJapaneseengineers.B.threeAmericanscientists.C.ThomasEdison.D.EmileBerliner.5.Fromthehistoryofsoundandvideorecorders,wecanknowexceptthat_________.A.Theyarebecomingsmallerandsmallerinsize.B.Technologyischangingfasterthanmostpeoplecankeeppacewith.C.Thedigitaldevicesarebetterthantraditionaldevices.D.Wecansurelyforseethatthefuturetechnologywillbringus.6.Peoplewithoutsatellitedishesdonotbenefitatallfromsatellite.7.Someofthefirsttaperecordersusedplastictapetorecordon.8.ColourTVbecamepopularwithinjustafewyearsafteritwasinvented.9.Newtechnologywillsoonmakemanyofthethingstalkedaboutinthearticleoutofdate.10.RecordsandcassettesdonotofferasgoodasoundqualityasCDs.YearEvents18871.EmileBerlinerinventedarecordplayerthatuseddiscstorecordon.19382.TheDVDwasinvented.19673.RegularcolorTVbroadcastsbeganintheUK.19824.ThefirstcolorTVprogrammerwasbroadcast.19955.ThefirstCDsweremadeavailable.YearEvents1887EmileBerlinerinventedarecordplayerthatuseddiscstorecordon.1938TheDVDwasinvented.1967RegularcolorTVbroadcastsbeganintheUK.1982ThefirstcolorTVprogrammerwasbroadcast.1995ThefirstCDsweremadeavailable.checktheanswerDandED:1.2.3.4.5.6.7.8.E:(1).(2).(3).(4).(5).(6).(7).edhcfabgforesawdrawbacksconstructeddelayedpercentagereceiverEventuallyTask-basedreadingSummary:Title:The(1)_________ofvideoandsounddevicesEarlyhistoryofTVThreeyearsafter1925,therewaslong-distanceTVbroadcast(2)_________byregularpublicbroadcastingfirstinNewYork.JohnBaird(3)____________thefirstcolorTVin1928.Butitwasnotuntil1938thatthefirstcolorTVprogrammewas(4)___________.Themodernage:satelliteTVSatellitesmakeTV(5)___________topeoplewholivefarawayfromcities,andsatellitesare(6)_________throughoutthecountrysideandremoteareas.SoundandvideorecordersMostearlytaperecorders(7)________steeltapetorecordonanditwasnotuntiltheearly1950sthemosttaperecorderbeganusing(8)_________tapeastheydotoday.Bythe1960s,(9)________cassetteplayersweredeveloped.SoundandvideogodigitalIn1982,thefirstCDsweremade(10)___________.evolutionfollowedconstructedbroadcastaccessibledistributedemployedplasticportableavailableUndoubtedly,inthefuture,bothTVandsounddeviceswillstillplayaveryimportantroleinhuman’slife.Butthey’llcertainlybeadvancedthanthoseoftoday.WhatfunctionswouldyoulikeyourTVsorsounddevicestohaveinthefuture?Thankyou!