九年级英语上册《unit 2 saving the earth》topic 2 sectiona 教案 仁爱版

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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionAThemainactivitiesare1aand2.本课重点活动是1a和2。Ⅰ.Teachingaimsanddemands教学目标1.Learnanewwordandsomephrases:asaresult,behavior,inthebeginning,daybyday,dieout2.Learnsomeusefulsentences:(1)Asaresult,airpollutionhasbecomeaseriousproblem.

2、(2)Humanshavecometorealizetheimportanceofprotectinganimals.3.Learntheindefinitepronounandadverb:(1)Noneofuslikespollution.(2)Don’tspitanywhereinpublic.(3)Everyoneshouldcareforwildanimalsandplantmoretrees.4.Learntheimportanceofprotectingtheenvironment.Ⅱ.Teachingaids教具有关污染的和学生不文明行为的教学图片/小

3、黑板/录音机/警示标语Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:7分钟)复习污染的类型及其危害，教师创设一个空气污染的情境，引入本课话题。1.(教师收集一些有关污染的图片，让学生说出它们分别属于哪种污染，有何危害并提出解决建议。)T:Whatkindofpollutionisit?Ss:Itisnoisepollution.T:Whatharmcanitcause?S1:Itcandisturbothersandmakepeoplefeeluncomfortableandunpleasant.S2:Itdoe

4、sgreatharmtopeople’shearing.Itcanevenmakepeoplesickordeaf.T:Howshouldwesolvethisproblem?S3:Don’talwayslistentoloudpopmusic.…(学生可以在教师帮助下回答。)2.(教师创设一个空气污染的情境，引入本课话题。例如：教师一边拍身上的灰尘，一边咳嗽着走进教室，然后描述。)T:Itistoodirtyandthereistoomuchheavysmokeoutside.Ican’tstandit.Ss:Isitairpollution?T:Yes,itis.

5、Step2Presentation第二步呈现(时间:10分钟)展示1a的图片，导入新课，呈现本课生词和词组。讲解不定代词和不定副词的用法。教育学生必须保护环境。1.(教师展示1a的图片，导入新课。)T:Doyouliketheenvironmenthere?Ss:No,wedon’t.T:Why?Ss:Becausethereistoomuchsmoke.T:Yes.Weshouldstopburningcoal.ItissaidthatChinahasbecometheworld’slargestproduceranduserofcoal.Asaresult,air

6、pollutionhasbecomeaseriousproblem.(板书并要求学生掌握。)asaresultT:Nowourgovernmenthasrealizedtheimportanceofprotectingtheenvironment.(板书并要求学生理解。)importanceT:Weshoulddosomethingusefultoprotecttheenvironment,too.(板书并解释something是不定代词，其修饰语要放在它后面。)somethinguseful2.(播放1a录音，让学生带着问题去听。)T:Listentothetape

7、,andanswerthequestionsonthesmallblackboard.(出示小黑板。)(1)What’sthearticleabout?(2)Whatshouldwedoasstudents?(核对答案。)3.(男女生分角色朗读。)T:Let’sread1atogether.Boys—Kangkangandgirls—Michael.4.(让学生再读1a，试着找出1a中的不定代词或不定副词，以及一些疑难点。)T:Read1aagain,andtrytofindtheindefinitepronounsoradverbs.Step3Co