仁爱版英语教学案例九上Unit2 Topic3.doc

Unit2Topic3SectionAThemainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwords:encouragesupposenodagreementshake2.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.Andweknowtherearemanykindsofpollutionsuchaswaterpollutionairpollutionlightpollutionlitterandsoon.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:Yesyouareright.Youknowallkindsofpollutionarepollutingourenvironment.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:YesOfcourse.T:Metoo!OKlet’sbegreenerpeopletogether.Todaywe’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:Ifwewanttobegreenerpeoplewhatshouldwedoathome?(教师展示图片。)T:Let’slookatthepicture.Whatarethey?Ss:Theyareplasticbags.T:Yes.Butweshoulduseplasticbagsasfewaspossible.InanotherwayWeshouldreducethem.(教师释义并领读reduce。)T:Whatkindsofbagsshouldweuse?(教师展示图片。)T: