M7Unit1Reading导学案26课件

LivingwithtechnologyM7Unit1Howdidpeoplekeepintouchinthepast?---byletter/telegraph/telephoneHowdopeoplekeepintouchnow?---mostbymobilephonedevelopmentofTVblack-and-whiteTVcolourTVLEDscreen•WhatdoestheTVinyourhomelooklike?Leading-in:MP3MP4taperecorderdevelopmentofaudiodevices•Whataudiodevicesdoyouchoosetoenjoymusic?M7Unit1Reading1Theevolutionofvideoandsounddevices预习多维感知►StepOne：FastReadingReadthetextquicklyandchoosethebestanswers.1．WhenandwherewasthefirstlongdistanceTVbroadcastmade?()DA．In1925intheUSA.B．In1926intheUK.C．In1928intheUK.D．In1928inboththeUSAandtheUK.2．WhomightbetheinventorofthefirstTV?()A．EmileBerlinerintheUSA.B．PhiloFarnsworthintheUSA.C．JohnLogieBairdintheUK.D．Itremainsuncertain.D3．WhichofthefollowingisNOTthefactorthatmakespeoplelivingfarawayreceiveTVprogramme?()A．Theuseofsatellite.B．Thedistributionofthesatellitedishes.DC．ThelocalTVcompaniesgetthesignals.D.Manycompaniesbroadcastthesameprogramme.4．Beforethedigitalrecorders，howmanykindsofmaterialswereusedtorecordsound?()A．Five.B．Six.C．Seven.D．Eight.A5．Itcanbeconcludedfromthetextthat________.A．VideoandsounddeviceswillbecomeincreasinglyeasytouseB．VideoandsounddeviceswillbecomemoreandmoreexpensiveC．ThehistoryofvideoandsounddevicesisnoshorterthanthatofTVD．TheAmericanplayedanimportantroleinthedevelopmentofvideoandsounddevicesAReadingstrategies1Whatdoyouthinkisthebestwaytogetthemostimportantinformationinsuchalongpassage?Followthechronologicalorderadj.按时间顺序的P4C2►StepTwo：CarefulReadingReadthetextandfillintheblanks.Readingstrategies2•Howissomuchinformationorganized?•Takeacloselookatthestructureofthepassageandyou’llfindout:•Headingsarehelpful!•1877—Thefirstrecordingofahuman1_____wasmade.•1887—EmileBerlinerinventedarecordplayerthatused2_____torecordon.•1925—ThefirstpublicTVbroadcastsweremade,inthe3_____.•1929—4_____publicbroadcastingbeganinLondon.•1938—Thefirst5_____TVprogrammewasbroadcast.•1962—6______wereusedtobroadcastTV.•1967—RegularcolourTVbroadcastsbeganinthe7_____.•1982—Thefirst8______weremadeavailable.•1993—The9______wasborn.•1995—The10______wasinvented.►StepTwo：CarefulReadingReadthetextandfillintheblanks.YearEvent1877Thefirstrecordingofahuman1.__________wasmade.1887EmileBerlinerinventedarecordplayerthatused2._________torecordon.voicediscsYearEvent1925ThefirstpublicTVbroadcastsweremadeinthe3.____________.19294.____________publicbroadcastingbeganinLondon.1938Thefirst5.____________TVprogrammewasbroadcast.19626.____________wereusedtobroadcastTV.USARegularcolourSatellitesYearEvent1967RegularcolourTVbroadcastsbeganinthe7.____________.1982Thefirst8.__________weremadeavailable.1993The9.____________wasborn.1995The10.____________wasinvented.UKCDsVCDDVDReadingfordetailsP4C11.F2.F3.F4.T5.T►StepFour：SummaryAccordingtothepassageweknowthatthefirstpublicTVbroadcastsweremadeinthe1.____________in1925while2.____________publicbroadcastingfollowedshortlyafterwards.ManypeopleUSAregular3.____________tothedevelopmentofTV.JohnLogieBairdconstructedthefirst4.__________TVin1928and5.____________wereusedtobroadcastTVprogrammein1962.contributedcoloursatellitesThehistoryofrecordinghumanvoiceisearlier.Itwasin6.____________thatThomasEdisonmadethefirstrecordplayerwhichhadtobewoundupby7.____________andonlylasttwominuteslong.Notuntilbythelate1960swastheportablecassetteplayersdevelopedalongwith1877hand8.__________recorders.From1980son,soundandvideogo9.__________.Withthedevelopmentofdigitaltechnology，soundandvideocannowbestoredonaPC，ontheInternet，orallkindsofportablestorage.Noonecan10.____________whatthefuturewillbring.videodigitalforesee新知探究•1.①.Regularpublicbroadcastingfollowedshortlyafterwards,firstbeginningon11May1928inNewYorkandon20August1929inLondon.•②MostearlyTVbroadcastsweremadeusingasystemdevelopedbyJohnBairdintheUK.•翻译并理解以上两句：•①句中分词短语作_______________________②句中分词短语作______________伴随状语方式状语/定语•2.JohnLogieBairdconstructedthefirstcolourTVin1928,butitwasnotuntil1938thatthefirstcolourTVprogrammewasbroadcast.•翻译：__________________________________________________________________________________________•1)until既能做_____词，也能做_____词。当until用于肯定句时，前面的动词应用_________性动词；当until用于否定句时，前面的动词应用_________性动词。(延续性还是短暂性)•e.g.Hedidn’tleaveuntiltheclockstrucktwelve.(until词性)•I’llwaituntiltomorrow.(until词性)•2)Not以及until引导的时间时间状语或时间状语从句放在句首，主句用部分倒装结构。约翰·洛吉·贝尔德1928年发明了第一台彩色电视机，但是直到1938年第一个彩色电视机节目才被播出。介连延续短暂•3)Notuntil的强调句型：It+is/was+notuntil引导的时间时间状语或时间状语从句放在句首+that+剩余部分(主句,不含not)。E.g.•Hedidn’trealizetheimportanceofstudyuntilhefailedtofindaproperjob.•倒装句型：_____________________________________________________________________________________•强调句型：_______________________________________________________________________________________•4)until引导的时间状语从句中的省略•当从句主语与主句主语一致，且从句中含动词be的形式时，从句主语与动词be可一并省略。E.g.Hedidn’tspeakuntil(hewas)spokento.直到有人跟他说话他才开口。Notuntilhefailedtofindaproperjobdidherealizetheimportanceofstudy.Itwasnotuntilhefailedtofindaproperjobthatherealizedtheimportanceofstudy.【练习】•①Itwasnotuntildark______shefound______shethoughtwasthecorrectwaytosolvetheproblem.A.when,thatB.that;thatC.that;whatD.when;what•②No