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Unit13We’retryingtosavetheearth!SectionA(1a-2d)【教学目标】1.学生能听懂什么是水污染、土地污染和空气污染,引起这三种污染的因素,以及解决污染的措施。2.学生能模仿听力原文,能运用听力材料中的知识,口头谈论噪音污染、空气污染、水污染、土地污染的产生因素及如何减少这些污染。3.学生能掌握本课重点词汇:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。4.学生能口头运用现在进行时表达环境污染的现状,运用情态动词表达应该采取的措施。【教学重难点】重点:水污染,空气污染等各种污染的产生因素及解决措施;cost,advantage等词汇。难点:根据听力材料的信息,运用现在进行时、情态动词就各种污染的产生因素及解决措施与同伴会话。【课前准备】收集有关环境污染的资料。┃教学过程设计┃一、创设情境,切入主题Step1:Leadin1.AskstudentstoenjoyavideonamedGonewithHome.2.Afterwatchingthevideo,askstudentsthefollowingquestions.What’sthevideomainlyabout?Howdoyoufeel?3.Askstudentstodiscussonequestionwiththeirpartner:Inourdailylife,whatkindofpollutioncanyouthinkof?设计意图:通过视频《留住美丽地球》,震撼学生的心心灵,帮助学生了解环境污染及生态破坏的种种现象,并使他们意识到环境保护的危机感与紧迫感。同时,联系身边生活,结合本城市环境状况,引导学生进一步熟悉话题。二、展开过程,探究新知Step2:Presentation1.Askstudentstolookatthepicturesin1aandtalkaboutit.2.Theteachercanaskstudentsthefollowingquestion:Whatelsecancauseeachkindofpollution?Thenaskstudentstodotheexercisein1a.设计意图:让学生对于环境污染的类型有一个初步的了解,熟悉话题,为下面的听力活动做好内容和词汇上的准备。Step3:Listeningto1bBeforelisteningAskstudentstopredictwhatkindofpollutiontheywilllistentoin1b.设计意图:从内容和语法上对听力进行预测。Whilelistening1.Playtherecordingtwiceforstudentstocompletethechart.2.Askastudenttoreadhisorheranswers.3.Letstudentschecktheiranswersthattheyhavepredicted.设计意图:听这两遍时,更加注重细节。Afterlistening1.Readafterthetaperecorderandpayattentiontothepronunciationandintonation.2.Askstudentstopracticetheconversationwiththeirpartner.Then,askstudentstoactouttheconversation.3.Askstudentstomaketheirownconversationandactouttheconversation.设计意图:听后,再次整体回扣文本,并进行语音语调的学习。然后,通过pairwork让学生内化听取的信息语言。Step4:Listeningto2aBeforelisteningAskstudentstoguesstheanswers.设计意图:提高学生的兴趣,并促使他们在听的过程中有目标地集中注意力。WhilelisteningPlaytherecordingforstudentstocirclethekindsofpollutiontheyhear.AfterlisteningChecktheanswers.Step5:Listeningto2bBeforelistening设计意图:有推断的预测可以帮助学生在听录音时更有效地捕捉关键词汇。Whilelistening1.Playtherecordingforthefirsttimeanddotheexercisein2b.2.Playtherecordingagainandletstudentscorrecttheiranswers.Afterlistening1.Letstudentsreadtheconversationin2cafterthetaperecorder.2.Roleplaytheconversation.设计意图:让学生模仿录音中的语音语调,提高口语表达能力。Step6:Roleplay1.Read2dandcompletethechart.ProblemsSolutionsairpollutionwastepollutionwooden(木头的)chopsticksorplasticforksrubbish设计意图:增加表格可以帮助学生梳理和识记信息,为roleplay做好准备。2.Letstudentsreadtheconversationafterthetaperecorder.3.Askstudentstopracticetheconversationwiththeirpartner.Duringtheconversation,theyshouldhaveeyecontact.设计意图:让学生看着同伴的眼睛,是为了让他们体会到与人交流的真实性,而不是各读各的语句。Step7:LanguagepointsTheteacherexplainsthenewwordsandexpressionstostudents.Andaskstudentstotakenotes.三、布置作业口头作业Listento1band2b.Thenrecitethem.书面作业1.Trytomemorizethenewwordsandlanguagepoints.2.Theearthisbadlypolluted.Pleasethinkofwhatwecandotosavetheearthandmakeapostertotellmorepeopletosavetheearth.┃教学小结┃【板书设计】Unit13We’retryingtosavetheearth!SectionA(1a-2d)FormsofpollutionCausesAirpollutionfactories,cars,burningWaterpollutionfactories,rubbish,shipsLandpollutionrubbish,batteriesNoisepollutionloudmusic,crowds,carsSectionA(3a-4c)【教学目标】1.学生能掌握词汇:重点词汇(cruel,harmful,industry,law,scientific,afford);认读词汇(shark,fin,chain,ecosystem,reusable,transportation);表达方式(beharmfulto,atthetopof,thefoodchain,takepartin,turnoff,payfor,takeaction).2.引导学生谈论珍稀动物濒危的原因及拯救措施。3.帮助学生复习语法项目,包括现在进行时、usedto、被动语态、现在完成时、情态动词等。【教学重难点】重点:1.本课时的重点词汇,表达方式及语法项目。2.学习鲨鱼濒危的原因及拯救措施。3.学生就珍稀动物的濒危原因及拯救措施进行写作。难点:1.学生正确使用连词。2.结合实际生活就珍稀动物的濒危原因及拯救措施进行写作。【课前准备】1.搜集有关鲨鱼的资料。2.制作多媒体课件和学案。3.准备其他有关珍稀动物的现状及拯救措施。┃教学过程设计┃一、创设情境,切入主题Step1:Leadin1.Theteachercanhaveafreetalkwithstudentsaboutanimals,especiallyendangeredanimals.设计意图:教师与学生自由交谈,导入动物保护的话题。二、展开过程,探究新知Step2:Prereading1.Showstudentsavideoandhaveadiscussion.2.Afterwatchingthevideo,theteachercanaskthequestionsbelow.Canyousaysomethingaboutsharks?Doyouthinktheyareendangered?Whyaretheyendangered?设计意图:通过这一环节,教师在了解学情的同时,可以帮助学生全面的了解鲨鱼,对接下来的阅读也会有更好的帮助。Step3:WhilereadingFastReadingTheteachercanaskaquestionlikethis:Doyouwanttoknowmoreaboutsharks?PleaseturntoPage99.Lookthroughthearticlequicklyandanswerthequestion:Whereisthisarticleprobablyfrom?A.Abook.B.Anovel.C.Anewspaper.设计意图:帮助学生理解文章的体裁以及作者的写作意图。CarefulReading1.LetstudentsreadParagraph1andwriteTfortrueandFforfalse.(1)Shark’sfin(鱼鳍)soupisfamousandexpensiveallovertheworld.(F)(2)Wehavetokillawholesharktogetabowlofshark’sfinsoup.(T)设计意图:细读第一段,帮助学生了解鲨鱼遭到猎杀的原因。2.ReadParagraph2andanswerthequestion.Whatdoesthewriterthinkofcuttingfinsofsharks?3.ReadParagraph2againandfillinthechart.QuestionsAnswersNumbersofsharkscaughtandtradedeveryyearAround70millionThenumbersofsomekindsofsharkshavefallenbyinthelast20to30yearsOver90percentTheteachercanaskquestions:Aretheybignumbers?Doyouthinksharksarereallyendangered?So,shouldwesavesharks?设计意图:学生通过回答第一个问题找出本段的主题句。再通过填表格,找出数字,这些庞大的数字更进一步让学生体会到鲨鱼锐减,濒临灭绝的现状。4.Askstudentstoreadthelastparagraphandfindout:Whatarethetwoenvironmentalgroupsagainst“finning”?Answer:WildAidandtheWWF.Howdotheyhelptosavesharks?Answer:Theyareteachingthepublicabout“finning”.Andtheyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfin
本文标题:人教版九年级英语Unit-13-We’re-trying-to-save-the-earth-教案
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