扬州市田家炳实验中学高中英语七MUReading教案

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精Module7Unit1Welcome＆ReadingTheevolutionofvideoandsounddevices教学目标Afterreading，studentsareexpectedtogainsomeinformationaboutthehistory,thecurrentsituationandthefutureimprovementofvideoandsounddevices。Meanwhile，studentswillimprovetheirreadingskillsbytheheadlines.重点难点重点:HowtohelpSsunderstandtheevolutionofvideoandsounddevicesbetter.难点:HowtomakeSsfullyparticipateinalltheactivities.设计思想帮助学生了解影像和声音设备发展的历史、现状和未来的改进；同时，帮助学生通过标题和小标题这一阅读技能,快速获得信息.教学资源对应课件教学设计【课堂引入】前置性补偿IWelcomeinthisunit。1。Howdidpeoplekeepintouchinthepast？2。Howdopeoplekeepintouchnow？3。WhatdoestheTVinyourhomelooklike？4。Whataudiodevicesdoyouchoosetoenjoymusic？IIParaphrase（英文释义)evolutionprincipleaccessibledistributecomponentportabledigitalstorage1。___________:easytocarry2。___________:usingasystemofreceiving，sendingorstoringinformationintheformofnumbers3。___________：spreadsomethingoveranarea4。___________:alaworrulethatisbehindsomething5.___________：theslowdevelopmentofsomething6.___________:oneofseveralpartsthatmakeupsomething7。___________：thespacewherethingsorinformationcanbekept8.___________：easytoreach，obtainoruse【课堂学习】知识梳理StepIFastreadingReadthetextquicklyandchoosethebestanswers.1．Whenandwherewasthefirstlong.distanceTVbroadcastmade？(）A．In1925intheUSA.B．In1926intheUK.C．In1928intheUK.D．In1928inboththeUSAandtheUK.2．WhomightbetheinventorofthefirstTV?(）A．EmileBerlinerintheUSA。B．PhiloFarnsworthintheUSA。C．JohnLogieBairdintheUK。D．Itremainsuncertain.3．WhichofthefollowingisNOTthefactorthatmakespeoplelivingfarawayreceiveTVprogramme?(）A．Theuseofsatellite.B．Thedistributionofthesatellitedishes.C．ThelocalTVcompaniesgetthesignals。D。Manycompaniesbroadcastthesameprogramme。4．Beforethedigitalrecorders，howmanykindsofmaterialswereusedtorecordsound?(）A．Five。B．Six.C．Seven.D．Eight.5．Itcanbeconcludedfromthetextthat________.A．VideoandsounddeviceswillbecomeincreasinglyeasytouseB．VideoandsounddeviceswillbecomemoreandmoreexpensiveC．ThehistoryofvideoandsounddevicesisnoshorterthanthatofTVD．TheAmericanplayedanimportantroleinthedevelopmentofvideoandsounddevicesStepIICarefulReadingReadthetextandfillintheblanks。（A级)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。StepIIIReadingfordetailsPage4C1TrueOrFalseandEStepIVSummaryAccordingtothepassageweknowthatthefirstpublicTVbroadcastsweremadeinthe1.______in1925while2。_______publicbroadcastingfollowedshortlyafterwards。Manypeople3._________tothedevelopmentofTV.JohnLogieBairdconstructedthefirst4。________TVin1928and5._______wereusedtobroadcastTVprogrammein1962。Thehistoryofrecordinghumanvoiceisearlier。Itwasin6._______thatThomasEdisonmadethefirstrecordplayerwhichhadtobewoundupby7.______andonlylasttwominuteslong.Notuntilbythelate1960swastheportablecassetteplayersdevelopedalongwith8._______recorders。From1980son,soundandvideogo9.________.Withthedevelopmentofdigitaltechnology，soundandvideocannowbestoredonaPC，ontheInternet,orallkindsofportablestorage。Noonecan10.________whatthefuturewillbring。StepVLanguagepoints1。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____________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。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.【练习】①Itwasnotuntildark______shefound______shethoughtwasthecorrectwaytosolvetheproblem.A.when,thatB。that;that C.that;what D。when;what②Notuntil________hissunglasses________thathewasmyoldfriend,Bob.Adidhetakeoff；IrecognizedBdidhetakeoff;didIrecognizeChetookoff；IrecognizedDhetookoff；didIrecognize③Itwas__________backhomeaftertheexperiment。A。notuntilmidnightdidhego B。untilmidnightthathedidn’tgoC。notuntilmidnightthathewentD。untilmidnightwhenhedidn’tgo3。Ittookmorethantwodecades，though,until1951,forregularcolourTVbroadcaststobeginintheUSA.中文：_________________________句中though在本句中用作____，意思是_____,常用于___，有时也可用于___我感冒了，不过不严重_____________________________________（1)though用作连词,引导让步状语从句。相当于_________，一般可以和_______，_______连用，但不能和________连用.尽管夜深了，他还在工作。________________________________2）though可以用于倒装句中，这是相当于___，意为____，引导让步状语从句。虽然他岁数小,但却能说很流利的英语_________________________4。TheyalsomakeTVaccessibletopeoplewholivefarawayfromcities,andsatellitedishescanoftenbeseendistributedthroughoutthecountrysideandremoteareas.accessibleadj可接近的,可进入的，可使用的（to）have(no）accessto有（没有）使用、接近……的机会（权利）;access机会，权利，通道Studentshavefreeaccesstothelibraryinourschool.____________________1)Youneedapasswordtogetaccesstothecomputersystem.______________2）有了网络，学生可以利用更丰富的资源.WiththeInternet，studentscan_____________________richerresources。TheInternetmakesmoreandmoreviolentgames_______tochildren。A。accessibleB.avoidableC。acceptableD。adjustable5。However，mostpeoplestillbenefitfromsatelliteTV，aslocalTVcompaniesbroadcastthesignalstheygetfromsatellitereceiverstothepopulationlivingnearby。1)句法分析：_______2）signaln.___________/v.___________【易混辨析】signal/symbol/sign/markInthepicturethetreeisthe________oflifeandthesnakeisthe_______ofevil.Don'tyouseethe___________：“keepoffthegrass”Everygarmentintheshophasaprice_______sewnonit。3)benefitn。利润,益处vi得益，利用vt.有益于,有利于拓展：sbbenefitfromsth___________sthbenefitsb___________对…有益_____________=______________为了…的利益_______________你的建议使我受益匪浅。________________________________________他从卖房子中赚了750美元。_____________________________________介词填空:Farmersbenefit_____thenewtaxlawmost.Theorganizationisvoluntary,not____profit.【课堂小结】梳理结构和重点句子。【板书设计】文章结构：小标题和重点词汇。课堂反馈识记短语1。奉献于…,促进…,投稿___________2。在…取得突破_______________________3.在20世纪20年代晚期_____________4。使人们能够看到电视_________________5。遥远的地区_______________________6。从…