高中英语 unit1 reading教案2 牛津译林版选修7 (2)

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

2、nydrawbacks•madeimportantbreakthroughsinthedevelopmentoftheTV•inthelate1920sandearly1930s•adoptmanyoftheprinciples•constructedthefirstcolourTV•regularcolourTVbroadcastsweredelayed•withinashorttime•SatellitesallowliveTVprogrammestobebroadcast•overvast

3、distances•makeTVaccessibletopeoplewholivefarawayfromcities•throughoutthecountrysideandtheremoteareas•asmallpercentageofpeople•benefitfromsatelliteTV•broadcastthesignals •madethefirstrecordingofahumanvoice•usedroundtubestorecordon•useddiscsasalternati

4、vetotubes•bewoundupbyhand•Timessurehavechanged!•employedsteeltapetorecordon•papertapealsotoreeasily•bythelate1960s•Soundandvideogoesdigital.•ThefirstCDsweremadeavailable.•withtheadaptationofdigitaltechnology•make…thingsofthepast•keeppacewith•foreseew

5、hatthefuturewillbringStep2Keywords1.contribute(v.) 1)togivemoney,help,ideasetctosomethingthatalotofotherpeoplearealsoinvolvedincontributeto/towardsCityemployeescannotcontributetopoliticalcampaigns.contributesth.to/towardssth.Thevolunteerscontributeth

6、eirowntimetotheproject.2)tohelptomakesomethinghappen　contributetoAlcoholcontributesto100,000deathsayearintheUS.3)towritearticles,stories,poemsetcforanewspaperormagazinecontributetooneofseveralauthorscontributingtothebook2.adopt(v.)1)tostarttodealwith

7、orthinkaboutsomethinginaparticularwayadoptanapproach/policy/attitudeetc.Thecourtswereaskedtoadoptamoreflexibleapproachtoyoungoffenders.2)totakesomeoneelse'schildintoyourhomeandlegallybecomeitsparentThecoupleareunabletohavechildrenoftheirown,buthopeto

8、adoptagirl.3.delay(v.)1)towaituntilalatertimetodosomethingHedelayedhisdecisiononwhethertocallanelection.delaydoingsth.Bigcompaniesoftendelaypayingtheirbills.delaysth.untilsth.TheopeningofthissectionoftheroadisdelayeduntilSeptember.2)tomakesomeoneorso