book7_u1_教案课时3reading2

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1、牛津高中英语教学设计单元：Unit1Livingwithtechnology板块：Reading2Thoughtsondesign这是Reading板块的第二课时。由于Reading板块的文章不仅为学生提供丰富的信息，同时又富含字、词、句等语言材料供学生学习，所以第二课时教学主要关注学生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词汇的理解和用法等。Teachingaims:Studentswilllearntousesomeimportantphrasesandkeywords.Teachingproced

2、ures:Step1Importantphrases•Theevolutionofvideoandsounddevices•shortlyafterwards•contributedtothedevelopmentofTV•wasveryprimitiveandhadmanydrawbacks•madeimportantbreakthroughsinthedevelopmentoftheTV•inthelate1920sandearly1930s•adoptmanyoftheprinciples•constructedthe

3、firstcolourTV•regularcolourTVbroadcastsweredelayed•withinashorttime•SatellitesallowliveTVprogrammestobebroadcast•overvastdistances•makeTVaccessibletopeoplewholivefarawayfromcities•throughoutthecountrysideandtheremoteareas•asmallpercentageofpeople•benefitfromsatelli

4、teTV•broadcastthesignals •madethefirstrecordingofahumanvoice•usedroundtubestorecordon•useddiscsasalternativetotubes•bewoundupbyhand•Timessurehavechanged!•employedsteeltapetorecordon•papertapealsotoreeasily第5页共5页•bythelate1960s•Soundandvideogoesdigital.•ThefirstCDsw

5、eremadeavailable.•withtheadaptationofdigitaltechnology•make…thingsofthepast•keeppacewith•foreseewhatthefuturewillbring[Explanation]建议备课时可以巧妙设计一些问题，学生口头回答问题时需要用到上述短语，能够准确回答也表明学生已经了解这些短语的含义，然后教师再做书面呈现并简要地讲解，并要求学生课后复习并记忆。其中一些重要词汇的用法可以放在下面的环节进行详讲。Step2Keywords1.contrib

6、ute(v.) 1)togivemoney,help,ideasetctosomethingthatalotofotherpeoplearealsoinvolvedincontributeto/towardsCityemployeescannotcontributetopoliticalcampaigns.contributesth.to/towardssth.Thevolunteerscontributetheirowntimetotheproject.2)tohelptomakesomethinghappen　contr

7、ibutetoAlcoholcontributesto100,000deathsayearintheUS.3)towritearticles,stories,poemsetcforanewspaperormagazinecontributetooneofseveralauthorscontributingtothebook2.adopt(v.)1)tostarttodealwithorthinkaboutsomethinginaparticularwayadoptanapproach/policy/attitudeetc.T

8、hecourtswereaskedtoadoptamoreflexibleapproachtoyoungoffenders.2)totakesomeoneelse'schildintoyourhomeandlegallybecomeitsparentThecoupleareunableto