高中英语 unit1 reading教案2 牛津译林版选修7

高中英语 unit1 reading教案2 牛津译林版选修7

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时间:2018-04-04

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1、Unit1LivingwithtechnologyReading2Teachingaims:Studentswilllearntousesomeimportantphrasesandkeywords.Teachingprocedures:Step1Importantphrases•Theevolutionofvideoandsounddevices•shortlyafterwards•contributedtothedevelopmentofTV•wasveryprimitiveandhadmanydrawbacks•madeimportantb

2、reakthroughsinthedevelopmentoftheTV•inthelate1920sandearly1930s•adoptmanyoftheprinciples•constructedthefirstcolourTV•regularcolourTVbroadcastsweredelayed•withinashorttime•SatellitesallowliveTVprogrammestobebroadcast•overvastdistances•makeTVaccessibletopeoplewholivefarawayfrom

3、cities•throughoutthecountrysideandtheremoteareas•asmallpercentageofpeople•benefitfromsatelliteTV•broadcastthesignals •madethefirstrecordingofahumanvoice•usedroundtubestorecordon•useddiscsasalternativetotubes•bewoundupbyhand•Timessurehavechanged!•employedsteeltapetorecordon•pa

4、pertapealsotoreeasily•bythelate1960s•Soundandvideogoesdigital.•ThefirstCDsweremadeavailable.•withtheadaptationofdigitaltechnology•make…thingsofthepast•keeppacewith•foreseewhatthefuturewillbringStep2Keywords1.contribute(v.) 1)togivemoney,help,ideasetctosomethingthatalotofother

5、peoplearealsoinvolvedincontributeto/towardsCityemployeescannotcontributetopoliticalcampaigns.contributesth.to/towardssth.Thevolunteerscontributetheirowntimetotheproject.2)tohelptomakesomethinghappen contributetoAlcoholcontributesto100,000deathsayearintheUS.3)towritearticles,s

6、tories,poemsetcforanewspaperormagazinecontributetooneofseveralauthorscontributingtothebook2.adopt(v.)1)tostarttodealwithorthinkaboutsomethinginaparticularwayadoptanapproach/policy/attitudeetc.Thecourtswereaskedtoadoptamoreflexibleapproachtoyoungoffenders.2)totakesomeoneelse's

7、childintoyourhomeandlegallybecomeitsparentThecoupleareunabletohavechildrenoftheirown,buthopetoadoptagirl.3.delay(v.)1)towaituntilalatertimetodosomethingHedelayedhisdecisiononwhethertocallanelection.delaydoingsth.Bigcompaniesoftendelaypayingtheirbills.delaysth.untilsth.Theopen

8、ingofthissectionoftheroadisdelayeduntilSeptember.2)tomakesomeoneorso

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