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1、2019-2020年九年级英语全册Unit13We’retryingtosavetheearth第3课时教案新版人教新目标版一、【教材分析】教学目标知识目标1.学习并掌握新词汇：reusable,afford,transportation2.学习并会用以下常用表达：trytodosth.,usedtodosth.,is/aredoing,beconsidered,takepartin;playapartindoingsth.,helpwith,helpout,turnoff,insteadof,payfor,addup,affordtodosth.,not…an
2、ylonger,takeaction,It’sdifficultforsb.todosth.3.学习并掌握下列句型：（1）We’retryingtosavetheearth.（2）Theriverusedtobesoclean.（3）Itwasconsideredthenicestriverintown.（4）Theairhasbeereallypolluted.（5）Weshouldhelpsavethesharks.（6）Everyoneshouldplayapartinkeepingthecityclean.（7）Youcansaveelectricity
3、byturningoffthelightswhenyouleavearoom.（8）Wecannotaffordtowaitanylongerbeforetakingaction!（9）It’sdifficultforparentswithyoungchildrentousepublictransportation.能力目标学会使用语法项目列表中的句型谈论事情。情感目标了解环境污染的坏处，树立环保意识。教学重点熟记语法项目的句型。教学难点熟记语法项目的句型。教学方法情境教学法；任务型教学法二、【教学流程】环节师生活动二次备课1、检查生词预习。I.复习热身（1）先
4、通过PPT呈现本课的单词，教师领读，学生跟读，并帮助学生正音。（2）做题巩固。根据句意和首字母提示写出所缺的单词。①Itwasc________thenicestriverintown.②Youcanalsousepaperorr_______bagsinsteadofplasticbags.③Wecannota_______towaitanylongerbeforetakingaction!④Wethinkthateveryoneshouldusepublict________.⑤Iguesseveryoneinthiscityistryingtoimprov
5、ethee_________.答案：①considered②reusable③afford④transportation⑤environment2、自由交谈。朗读并记忆下列优美句子。·Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofshark’sfinsoup?·Thismethodisnotonlycruel,butalsoharmfultotheenvironment.·Sharksareatthetopofthefoodchainintheocean’secosystem.
6、·Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.·Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofshark’sfins.感知1.PPT展示下列图片，初步感知语法项目所列出的语法重点。·We’retryingtosavetheearth.·Theriverusedtobesoclean.·Itwasconsideredthenicestriverintown.Ⅱ.感知体验·Theairhasbeereallypolluted.·We
7、shouldhelpsavethesharks.体验1.学生朗读并记忆上述句型。同学之间相互检查。感知2.呈现现在进行时、现在完成时、被动语态、情态动词和usedto结构的语法规则。体验2.针对上述语法规则，做练习巩固。Ⅲ.强化巩固1.处理教材4b的内容。Fillintheblankswiththeappropriatemodalverbsfromthebox.People_____thinkthatbigthings_____bedone.However,manyforgetthatsavingtheearthbeginswithsmallthings.For
8、example,you_
