英语人教版九年级全册we are trying to save the eart

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1、编写时间20172.25执行时间2.28编写者彭银香执教者彭银香总序第21个教案课题Unit13We'retryingtosavetheearth共9课时第3课时课型新授教学目标1.Aimsoflanguageknowledge：Tolearnsomekeywordsandusefulexpressions:shark;fin;cruel;thefoodchain;ecosystem;industry;law;nolonger;beharmfulto;atthetopof;notonly...butalso;nolonger;thenumberof

2、2.Aimsofemotionandattitude：Tolearnsomethingaboutendangeredanimals--sharks.Advocatestudentstohelpprotecttheendangeredanimals.重点难点1.教学重点：1)Understandnewwords.2)Understandthepassageonpage99.。2.教学难点：Understandthepassageonpage99.教学策略textbook,blackboard,chalk,ppt.教学活动课前、课中反思Ⅰ.WordsR

3、eview1.大屏幕复习单词，同学们齐读。（1min.）Sharkn.鲨鱼finn.（鱼）鳍crueladj.残酷的；残忍的harmfuladj.有害的beharmfulto对......有害的atthetopof在......顶部或顶端chainn.链子；链条thefoodchain食物链ecosystemn.生态系统industryn.工业，行业lawn.法律，法规scientificadj.科学上的Ⅱ.PresentationLeadin(4min.)用多媒体播放姚明的“没有买卖就没有杀戮”的公益广告。然后询问学生:1.Doyoulikean

4、imals?2.Howdoyouhelpprotecttheendangeredanimals?Beforeyouread,lookatthephoto,thequestionsin3aandthetitletothestory.Thenanswerthequestionsbelow.1.Whocanyouseeinthepicture?2.Whatdoesthepassagemaytalkabout?III.ReadingandexerciseStep1:Fastreading(3min.)Readthetitle,thefirstandlast

5、sentencesineachparagraphsandmatchthemainideas.Talkaboutsharkfinsoup.Para.3②Sharksareendangerednow.Para.1③Appealtopeopleagainsteatingsharkfins.Para.2Step2:完成教材3a的任务(5min.)1.要求学生快速默读短文，熟知大意，并完成课本3a的任务。然后邀请几位同学给出自己的答案，全班一起检查讨论。Step3:Paragraphreading(12min.)1.ReadParagraph1andjudg

6、ethesentences.①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②You’rekillingawholesharkwhenyouenjoyabowlofshark’sfinsoup.学生齐读第一段2.ReadParagraph2andfillinthechart.①Fishermen___________,___________,then_______________________②Withoutafin,Asharkcan’t,and.③_______________

7、_________________decreasedquickly学生齐读第二段3.ReadParagraph3andjudgethesentences.①WildAidandtheWWFareenvironmentalprotectiongroupsinChina.②Twoenvironmentalgroupsestablish建立lawstostopthesaleofsharkfins.③Shark’sfinsaregoodforhealth.学生齐读第三段Step4:完成教材3b的任务，要求学生再次阅读短文,用3b的方框中所给单词完成句子。(

8、5min.)IV．Summary(7min.)1.Translateandwritethemdown.1.这个方法不仅残酷