英语人教版九年级全册Unit13 SectionA 3a-3b.ppt

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1、Unit13We'retryingtosavetheearth!SectionA3a-3bTheearthisbadlypolluted.Whatshouldwedotosavetheearth?WarmingupLet’stakeaction(采取行动)Turnoffthelightswhenyouleavearoom.ThrowtherubbishinthebinTakebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandthee

2、nvironment!Savetheearth!Savetheanimals!1.Haveyoueverseenashark?2.Whatdoyouknowaboutsharks?Savethesharks!Sharksareendangered,readthepassageandjudgethesentences.Readthefirstparagraph1.Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.×√R

3、eadthesecondparagraph1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.2.Sharksareinthebottomofthefoodchainintheocean’secosystem.√×n.生态系统食物链Readthethirdparagraph1.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Shark’sfinsaregoodforhealth.××southernChina70milliondeveloplaws

4、tostopthesaleofsharkfins.WildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.3bReadthepassageagainandfillintheblankswiththewordsinthebox.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdr

5、op,theocean’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthough

6、ifadj.科学上的，科学的whatdotheunderlinedwordsreferto?1.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.2.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.3.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.environmentalpro

7、tectiongroupsfindoutthephrasesinthepassage.不再割掉，砍掉到目前为止对......有害给......带来危险......的数量听说不但......而且......nolongercutoffsofarbeharmfultobringdangertothenumberofhearofnotonly...butalso...FillintheblanksSomepeopleliketoeatsharkfinsoup,espciallyin__