英语人教版九年级全册Unit13SectionA3a-3c

1、Unit13We'retryingtosavetheearth!一、教学目标：1. Targetlanguage:Peoplearethrowingawaythingseveryday.Peoplearelitteringinpublicplaces.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Ouractionscanmakeadifferenceandleadtoabetterfuture.2. Grammar:Presentprogressive,modalverbs3.情感目标:有环境危机意识

2、，学会关注环境保护环境。二、教学重难点：1.Listeningforspecificinformation.2.Roleplaying,transforminginformation.三、教学步骤:I.RevisionII. Warmingup1.T:Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Let'stakeaction.Forexample:Turnoffthelightswhenyouleavearoom;Takebusesinsteadofdrivingcars2.Therearesomeanimalsareend

3、angered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!III. Discussion1. Whatdoyouknowaboutshark鲨鱼）?2.Doyouthinksharkscanbeendangered?Why?3. Whatdoyouthinkmightcauseafallinthenumberofsharks?IV. Reading1.Completethefactsheetin3a.2.Retellthepassage.V. Practice(Workon3b)Readthepassageandfillin

4、theblankswiththewordsinthebox.1) Manypeopledonotrealizetheyarekillingawholesharktheyenjoyabowlofsharkfinsoup.2) Sharksareatthetopofthefoodchain,iftheirnumbersdrop,theocean'secosystemwillbeindanger.3) Manythinkthatsharksaretoostrongtobeendangered,theyarewrong.4) therearenoscientificstudiestosuppo

5、rtthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5) Sharksmaydisappearonedaywedonotdosomethingtostopthesaleofsharkfins.VI. LanguagepointsThismethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不但残忍而且对环境有害。notonlybutalsc用于连接两个表示并列关系的成分，着重强调后者，其意为不仅而且”;其中的also有时可以省略。e.g.1)Shenotonlyplayswell,butalsowritesmusic.她不仅很会演奏，而且还会作曲。2)Notonlymenbutalsowomenwerechosen.不仅仅是男的，女的也有被选中的。若连接两个成分作主语，其谓语通常与靠近的主语保持一致。e.g.Notonlyyoubutalsohehastoleave.不只是你，他也得离开。notonly放在句首，后接句子时要用倒装结构。e.g.Notonlyhadthepoormanbeenfined,butalsohehadbeensenttoprison