英语人教版九年级全册Unit 13 Section A 3a-3c.ppt

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1、Unit13Unit13We'retryingtosavetheearth!SectionA23a-3bTheearthisbadlypolluted.Whatshouldwedotosavetheearth?WarmingupairpollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.Factoriesputwasteintotheriver.waterpollutionDon'tlittereverywhere!Weshouldthrowawaylitterinthebin.soilp

2、ollutionRevisionWhatareyourideasforsolvingtheseproblems?Role-play2d.Let’stakeaction(采取行动)Turnoffthelightswhenyouleavearoom.Recyclebooksandpaper.Takebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Savetheearth!Savetheanim

3、als!What'sthepassageabout?Listenandanswer:Sharksareendangered,readthepassageandjudgethesentences.Readthefirstparagraph1.Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.×√Readthesecondparagraph1.Peoplecutoffsharks’finsandthrowth

4、esharksbackintotheocean.2.Sharksareinthebottomofthefoodchainintheocean’secosystem.√×n.生态系统食物链Readthethirdparagraph1.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Shark’sfinsaregoodforhealth.××southernChina70millionTheycandeveloplawstostopthesaleofsharkfinsWildAidandtheWWF3aR

5、eadthepassageaboutsharksandcompletethefactsheetbelow.3bReadthepassageagainandfillintheblankswiththewordsinthebox.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.w

6、henso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.科学上的，科学的Retellthepassageac

7、cordingtothewordsbelow.It'sourdutytoprotectourenvironment!