【外研社】九年级英语上册教案-【Module 12 Unit 1 第一课时】

1.学生自学生词，并记住单词拼写和拼读。2.预习课本，找出重点短语和句式。3.读、记后完成学案中自学导练作业。Step1情景导入Theteachershowaphotoofpollutedriver.T:Whatcanyouseeinthephoto?S1:Icanseepollutedwater.S2:Icanseeadeadriver.Therearenoplants,nofishorlivingthings.T:Pollutionisveryserious.Pollutionisadangertoourhealth.Wemustdosomethingtosaveourearth.S2：Whatcanwedoforit？T:Wecancollectwastepaperorrubbishwhichcanberecycledorusedagain.Wecanalsoturnofflightstosaveenergywhenwedon\'tusethem…Ss:That\'seasy.Wewilldothem.Step2完成教材Activities1~3的任务1.Workinpairs.Lookatthepicturesandtalkaboutthem.Usethewordsintheboxtohelpyou.(Activity1)(1)处理生词。教师可以领读方框中的词，并让学生试着用这些单词描述图片。(2)学生活动：学生利用已有词汇和方框中的单词描述图片，然后教师引导学生自由发挥，谈论有关污染的问题。教师可以通过提问引导学生用相关词汇问答问题例如：Whatmaycausepollution?Howdomanyofthefactoriespollutetheairandrivers?(3)教师请学生展示。2.Listenandcompletethesentences.(Activity2)(1)学生个体活动，听录音，补全句子。(2)全班核对答案。（答案:1.pollution2.rules3.recycle;glass)3.Listenandread.Nowcompletethenotes.(Activity3）(1)教师给出一两个简单的问题，例如：WhyisLinglingworriedaboutthefuture?Whyispollutionadangertoourhealth?Whatdoyouthinkmaycausepollution?(2)学生合上书，听录音。回答问题。(3)学生再次听录音，要求学生能获取对话中的细节信息，完成活动3中的练习。(4)学生两人一组或小组活动，核对答案。(答案:1.farmerscan\'tusethewaterfortheircrops2.spreadsovercitiesandvillages3.usesomuchoilandcausepollution4.collectswaste;recycledorusedagain;sellsthewaste;inpoorareas5.waystosaveenergyandrecycleathome;lesswaste)(5)学生打开书，跟读或朗读对话。环节说明:本活动呈现新的语言内容,训练学生听懂主旨大意和获取细节信息的能力。Step3小结训练1.Polluted（被污染的）waterisadanger（危险）tothelivingthings.2.Wemustsaveenergy(节约能源）andcauseless(引起少些）pollution.Step4问题探究如果每个人与污染做斗争，地球将被挽救。Ifeveryonefightspollution,the