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1、Unit1Reading2TVandaudiodevices:areviewUnit1课件描述：课件描述：这是这是Reading板块的第二课时。由板块的第二课时。由于于Reading板块的文章不仅为学生提供板块的文章不仅为学生提供丰富的信息，同时又富含字、词、句等语丰富的信息，同时又富含字、词、句等语言材料供学生学习，所以第二课时教学主言材料供学生学习，所以第二课时教学主要关注学生对字词句等语言知识的学习和要关注学生对字词句等语言知识的学习和运用，如重要短语的理解和用法以及核心运用，如重要短语的理解和用法以及核心词汇的理解和用法等。词汇的理解和用法等。Importantphrasestheev
2、olutionofvideoandsounddevicesshortlyafterwardscontributedtothedevelopmentofTV.wasveryprimitiveandhadmanydrawbacksmadeimportantbreakthroughsinthedevelopmentoftheTVinthelate1920sandearly1930sadoptmanyoftheprinciplesconstructedthefirstcolourTVregularcolourTVbroadcastsweredelayedwithinashorttimeSatellit
3、esallowliveTVprogrammestobebroadcastovervastdistancesmakeTVaccessibletopeoplewholivefarawayfromcitiesthroughoutthecountrysideandtheremoteareasasmallpercentageofpeoplebenefitfromsatelliteTVbroadcastthesignalsmadethefirstrecordingofahumanvoiceusedroundtubestorecordonuseddiscsasalternativetotubesbewoun
4、dupbyhandTimessurehavechanged!employedsteeltapetorecordonpapertapealsotoreeasily.bythelate1960sSoundandvideogoesdigital.ThefirstCDsweremadeavailable.withtheadaptationofdigitaltechnologymakethingsofthepastkeeppacewithforeseewhatthefuturewillbringKeywords1.contribute2.adopt3.delay4.access5.wind6.tear7
5、.liveManydifferentpeoplecontributedtothedevelopmentofTV.contribute(v.)1.togivemoney,help,ideasetc.tosomethingthatalotofotherpeoplearealsoinvolvedincontributeto/towardsCity employees cannot contribute to political campaigns.contributesth.to/towardssth.The volunteers contribute their own time to the p
6、roject.2.tohelptomakesomethinghappencontributetoAlcohol contributes to 100,000 deaths a year in the US.3.towritearticles,stories,poemsetcforanewspaperormagazinecontributetoone of several authors contributing to the bookModernTVsadoptmanyoftheprinciplesfirstdiscoveredbyFarnsworth.adopt(v.)1.tostartto
7、dealwithorthinkaboutsomethinginaparticularwayadoptanapproach/policy/attitudeetc. The courts were asked to adopt a more flexible approach to young offenders.2.totakesomeoneelseschildintoyourhomeandlegallybecomeitsparentThe couple are unable to have children of their own, but hope to adopt a girl.Regu
8、larcolourTVbroadcastsweredelayedintheUKuntil1967.delay(v.)1.towaituntilalatertimetodosomethingHe delayed his decision on whether to call an election.delaydoingsth.Big companies often delay paying their bills.delaysth.untilsth.The opening of this section of the road is delayed until September.2.2.tom
9、akesomeoneorsomethinglateseriously/badly/slightlyetcdelayedThe flight was badly delayed because of fog.TheyalsomakeTVaccessibletopeoplewholivefarawayfromcities,accessible(adj.)1.easytoobtainoruseaccessibletothe need for an efficient health service that is accessible to alleasily/readilyaccessibleCom
10、puters should be made readily accessible to teachers and pupils.2.aplace,building,orobjectthatisaccessibleiseasytoreachorgetintoThe island is only accessible by boat.There is a church which is easily accessible from my home.3.someonewhoisaccessibleiseasytomeetandtalkto,eveniftheyareveryimportantorpo
11、werfulI think that youll find shes very accessible.4.abook,poem,paintingetcthatisaccessibleiseasytounderstandandenjoyHe wants his music to be accessible to everyone.access(n.)1.therighttoenteraplace,usesomething,seesomeoneetcaccesstoAccess to the papers is restricted to senior management.Cats should
12、 always have access to fresh, clean water.2.howeasyordifficultitisforpeopletoenterapublicbuilding,toreachaplace,ortalktosomeoneaccesstoa house with easy access to the sea3.tosucceedinenteringaplaceorinseeingsomeoneorsomethinggain/getaccess(tosth)The police managed to gain access through an upstairs
13、window.access(vt.)tofindinformation,especiallyonacomputerUsers can access their voice mail remotely.Thefirstrecordplayershadtobewoundupbyhandwind(v.)(wound,wound)1.toturnortwistsomethingseveraltimesaroundsomethingelsewindstharound/roundsth The hair is divided into sections and wound around heated ro
14、ds.2.toturnpartofamachinearoundseveraltimes,inordertomakeitmoveorstartworkingalsowindupDid you remember to wind the clock?3.ifaroad,riveretcwindssomewhere,ithasmanysmoothbendsandisusuallyverylongwind(itsway)through/alongetcsthHighway 99 winds its way along the coast.a winding path4.tomakeatapemovein
15、amachinewindsthforward/backCan you wind the video back a little way - I want to see that bit again.orpapertape,whichwaseasiertousebutoftenbrokealsotoreeasily.tear(v.)1.todamagesomethingsuchaspaperorclothbypullingithardorlettingittouchsomethingsharpBe careful not to tear the paper.tearsth.onsth.She r
16、ealized she had torn her jacket on a nail.tearsth.offTear off the slip at the bottom of this page and send it back to us.tearsth.out(ofsth.)He tore a page out of his notebook and handed it to her.2.The paper tears easily.3.topullsomethingviolentlyfromapersonorplacetearsth.fromsb./sth.He tore the let
17、ter from my hand.tearsth.offsth.High winds nearly tore the roof off the house.betorn1.ifyouaretorn,youareunabletodecidewhattodobecauseyouhavedifferentfeelingsordifferentthingsthatyouwant Jess was torn by anger and worry.betornbetween She was torn between her love of dancing and her fear of performin
18、g in public.2.ifacountryorgroupistorn,itisdividedbecausepeopleinithaveverydifferentideasandarearguingorfightingwitheachother The country was torn by civil war. She spent two months in the war-torn country.Phrasestearsb./sth.toshreds/piecestearaparttocauseseriousargumentsinagroupofpeopletearat/topull
19、violentlyatsomeoneorsomethingtearawaytomakeyourselforsomeoneelseleaveaplacewhenyouortheydonotwanttoleaveteardowntodestroyabuildingdeliberatelytearofftoremoveyourclothesasquicklyasyoucantearup(1)totearapieceofpaperorclothintosmallpieces(2)toremovesomethingfromthegroundbypullingorpushingitviolentlytea
20、rupanagreement/acontractetctosaythatyounolongeracceptanagreementorcontract1.Scandalistearingthegovernment_.2.Theythreatenedtotear_thepeaceagreement.3.Thechildrenwerescreamingandtearing_eachothershair.4.Shetore_hisletterandthrewitaway.5.Treesweretorn_bythestorm.6.Alotoftheoldtowerblockshavebeentorn_t
21、omakewayfornewhousing.7.Hewasenjoyingthefunandcouldnttearhimself_.8.Wefinallymanagedtotearhim_theTV.9.Hetore_hisclothesanddivedintothewater.SatellitesallowliveTVprogrammestobebroadcastovervastdistances,live(adj.)1.alivetelevisionorradioprogrammeisseenorheardontelevisionorradioatthesametimeasitisactu
22、allyhappeninga live radio phone-in showThere will be live TV coverage of tonights big match.2.notdeadorartificial=livingexperiments on live animals3.aliveperformanceisoneinwhichtheentertainerperformsforpeoplewhoarewatching,ratherthanafilm,recordetcThe band will be giving a live concert performance n
23、ext week.4.awireorpieceofequipmentthatislivehaselectricityflowingthroughitBe careful - those wires are live.live(adv.)Theceremonywillbebroadcastliveontelevision.ThematchwillbeshownlivebytheBBC.Ilovetheirmusic,butIveneverseenthemperformlive.ThebandisplayingliveinBirminghamtonight.Homework1.Reviewthepassage.2.Page102A1,A2.
