英语人教版九年级全册problems are very serious

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1、Topic2Alltheseproblemsareveryserious.独醒中学郑爱琴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)Humanshavecome

2、torealizetheimportanceofprotectinganimals.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/多媒体课件/Ⅲ.Five-fingerTeac

3、hingPlan五指教学方案Step1Review第一步复习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。学生可以在教师帮助下回答。Step2Presentation第二步呈现展示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。(教师创设一个空气污染的情境，引入本课话题。)T:Itistoodirtyandthereistoomuchheavysmokeoutside.Ican’tstandit.1.(教师展示1a的图片，导入

4、新课。)T:Doyouliketheenvironmenthere?Ss:…………….T:Why?Ss:……………..T:Verygood.Weshouldstopburningcoal.ItsaysthatChinahasbecometheworld’slargestproduceranduserofcoal.Asaresult,airpollutionhasbecomeaseriousproblem.(要求学生掌握asaresult。)用同样的方法导出新单词importance、inthebeginning、dieout、daybyday、rude、behavior2.T:

5、Asastudent,Canyoutellmewhatweshoulddotoprotecttheenvironment?让学生先讨论，再分别发表自己的建议。最后教师出示图片，引导学生回答。例如：Weshouldn’tleaverubbishanywhere。Don’tspitanywhereinpublic.T:Welldone.Weshoulddoeverythingwecantoprotecttheenvironment.2.(播放1a录音，让学生带着1b问题去听。)T:Listentothetape,andanswerthequestionsonthesmallblac

6、kboard.(出示问题。)(1)Whataretheytalkingabout?(2)WhyisairpollutionaseriousprobleminChina?(3)Whatshouldwedoandnotdotoprotecttheenvironment?(4)Canyougivesomeadvicetothegovernment.(核对答案。)3.再听一次1a,要求学生跟读，然后男女生分角色朗读，最后叫几个学生表演读。4.要求学生利用所给出的关键词复述1a。T:Retell1awiththekeywords.Twominutesforpreparation.a.th

7、elargestproduceranduserb.aseriousproblemc.dosomethingusefuld.leaverubbish/spitanywhere/walkongrass/pickflowers/carefor/plantmoretreese.doeverything(抽查几名同学，检测复述情况。教师作点评。)5.让学生试着找出1a中的不定代词或不定副词。6.引导学生总结出不定代词或不定副词的用法。Step3Consolidation第三步巩固1.通过练习，巩固学生