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Unit2 Topic3 SectionA Themainactivitiesare1aand3.本课重点活动是1a和3。 Ⅰ.Teachingaimsanddemands教学目标 1.Learnsomenewwords: encourage,suppose,nod,agreement,shake 2.Learnthecompoundsentence. 3.Learntotalkabouttheprotectionofenvironment. Ⅱ.Teachingaids教具 录音机/多媒体图片/小黑板 Ⅲ.Five-fingerTeachingPlan五指教学方案 Step1Review第一步复习(时间:8分钟) (师生互动,复习上个话题的内容,练习学生的听、说能力。) T:Wetalkedabouttheharmofpollutioninthelasttopic.Andweknowtherearemanykindsofpollution,suchaswaterpollution,airpollution,lightpollution,litterandsoon.Howdothesekindsofpollutionaffectourenvironment? (教师以竞答的方式喊学生个别回答。) Example: S1:Waterpollutionmakessomeanimalsdead. S2:Waterpollutionmakessomeplantsdead. S3:Peopleandanimalscan’tdrinkthewater. S4:Airpollutioncausesthegreenhouseeffect. S5:Airpollutionmakespeoplesickandevencausescancer. S6:Airpollutiondestroystheozonelayer. … T:Yes,youareright.Youknow,allkindsofpollutionarepollutingourenvironment.Sowearefacingtheseriouspollutionproblems.Whatshouldwedotoimproveourenvironment? (学生分组讨论,然后回答。) Group1:Don’tspiteverywhere. Don’tpicktheflowers. Plantmoretrees. … Group2:Askthegovernmenttomakerulesandpulldownsomechemicalfactories. Askpeopletouseelectricity. … T:Verygood!Youhavesomanygoodideastoimproveourenvironment.Wouldyouliketodosomethingusefultoimproveourenvironment? Ss:Yes,Ofcourse. T:Me,too!OK,let’sbegreenerpeopletogether.Today,we’lllearnTopic3.Wouldyouliketobeagreenerperson? (板书) Wouldyouliketobeagreenerperson?Step2Presentation第二步呈现(时间:16分钟) 1.(教师用图片引出本课的词汇和内容。) T:Ifwewanttobegreenerpeople,whatshouldwedoathome? (教师展示图片。) T:Let’slookatthepicture.Whatarethey? Ss:Theyareplasticbags. T:Yes.Butweshoulduseplasticbagsasfewaspossible.Inanotherway,Weshouldreducethem.(教师释义并领读reduce。) T:Whatkindsofbagsshouldweuse? (教师展示图片。) T:Wecanusebagslikethese.Wecanusethemagainandagain.Thatistosay,wecanreusetheminsteadofthrowingthemaway.(教师释义并让学生重复读reuse。) (教师展示图片。) T:Whataretheyinthepicture? Ss:(回答不出。) T:Theyarecans.Theyaresoftdrinkcans.Shouldwethrowthemawayafterwedrink? Ss:No. T:You’reright.weshouldcollectthemfo