Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionDThemainactivitiesare1a和4.本课重点活动是1a和4。Ⅰ.Teachingaimsanddemands教学目标1.Learnanewphrase:takeup2.Learnsomeusefulsentences:(1)Thisharmstheenvironment…(2)Atthesametime,dealingwith…(3)Ofallthegarbage,about35percentcanberecycledwhiletherestcan’t.(4)Howshallwedealwithit?3.Reviewtheindefinitepronounandadverb:(1)Noneofuslikespollution.(2)Don’tspitanywhereinpublic.(3)Everyoneshouldcareforwildanimalsandplantmoretrees.(4)Weshoulddoeverythingwecantoprotecttheenvironment.4.Talkabouttheharmofrubbish.5.Goondevelopingthestudents’senseofenvironmentalprotection.Ⅱ.Teachingaids教具图片/录音机/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:5分钟)检查作业，然后通过师生对话，复习SectionC的内容，为学习新词汇作准备。1.(复习讨论SectionC的综合探究活动，教师作总结。)2.(教师通过复习上一课的内容为学习新词汇做准备。)T:AfterlearningSectionC,wehaveknownthatmanykindsofpollutionaffectourenvironment.Howdofactoriesaffectourenvironment?S1:They/Factorieshavepollutedthelandandthewater.S2:Factoriesmakesomeriversandlakesdeadnow.S3:…T:Verygood.Howdocarsandbusesaffectourenvironment?S4:Theyhavepollutedtheair.S5:Theyhavecausednoisepollution.S6:…T:Howdoescuttingdowntoomanytreesaffectourenvironment?S7:Someforestshavechangedintodeserts.S8:Moreandmoredifferentsortsofanimalsandplantsaredisappearing.S9:Whenitrainsorwhenthewindblows,theearthistakenaway.Step2Presentation第二步呈现(时间:16分钟)呈现1a，完成1b。培养学生的听说技能。1.(教师展示有关垃圾的图片，导入1a，呈现新词汇。)T:OK.Nowlet’stalkaboutanotherseriousproblem.(教师展示1a中的图片。)T:What’sinthepicture?Ss:Waste./Rubbish.T:Howdopeopledealwiththewaste?Ss:Putitintotheland.T:Sothewastetakesupalotoflandanditdoesgreatharmtoourenvironment.(板书并要求学生掌握。)takeupT:Infact,someoftherubbishcanberecycled.(板书并要求学生理解。)recycleT:Sohowshallwedealwiththewaste?(板书)Howshallwedealwiththewaste?Ss:(帮助学生用英语回答。)Wecancollectwastepaper,softdrinkcans,andsoon.Andthen,sortthemsothattheycanberecycled.T:Everyday,weproducelotsofrubbish.Pleaselistentothetapeandfillintheblanksin1afirst.Let’slearnaboutwhattroublethewastebringsus.(学生听录音，完成1a。师生共同核对答案。)2.(让学生再读1a，回答小黑板上的问题。)T:Pleaseread1aagainandfindouttheanswerstothequestionsonthesmallblackboard.(出示小黑板。)(1)HowmuchwasteisputintothelandinBritain?(2)Isiteasytofindnewlandtoputrubbishin?(3)Canalloftherubbishberecycled?(核对答案。)3.(让学生依据1a完成1b。)T:Welldone!Nowlet’sread1aagainandunderlinethesentenceswhichhavethesamemeaningsastheonesin1b,thenfinish1b.(核对答案。)Step3Consolidation第三步巩固(时间:8分钟)教师讲解短文中的语言点，然后让学生据此编写一个如何处理垃圾的对话。培养学生综合运用语言的能力。1.(让学生跟读1a录音，并注意语音语调。)T:Pleasereadthepassageafterthetape,andpayattentiontothepronunciationandintonation.2.(教师讲解短文中的语言点并板书。)T:Let’slookattheimportantpointsin1atogether.3.(让学生讨论平时是如何处理垃圾的，并编一个与此内容有关的对话，完成后展示成果。)T:Pleasediscussthisproblem:Howcanwedealwiththegarbage?(板书并要求学生理解。)garbageExample:S1:Weproducegarbageeveryday.It’saseriousproblem.Howdoyoudealwithit?S2:Ioftenthrowitintheriver.S1:Oh,youwillpollutethewater.S2:Yes.NowIknowIhavepollutedtheenvironment,soIwon’tdothatagain.S1:Howwillyoudealwiththerubbish?S2:I...
