英语人教版九年级全册Unit 13(Section A 3a-3b).ppt

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1、Unit13We'retryingtosavetheearth!SectionA23a-3bWhatdoyouthinkofthem?Theyarelovely/cute/beautiful.ButsharksarealittlecruelFreetalkfinscruelTheycutofftheirfinsandthrowthembackintotheocean.It’sharmfultotheenvironmentOcean’secosystemAtthetopofthefoodchainSharksareendangered,readthepassageandjudgeth

2、esentences.Readthefirstparagraph1.Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.×√insouthernChinaReadthesecondparagraph1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.2.Sharksareinthebottomofthefoodchainintheocean’secosys

3、tem.√×n.生态系统食物链atthetopofReadthethirdparagraph1.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Shark’sfinsaregoodforhealth.××aroundtheworldNoscientificstudieshaveshownthatWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefallenin

4、thelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”southernChina70millionover90percentWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholesh

5、ark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodfo

6、rhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.科学上的，科学的Retellthepassageaccordingtothewordsbelow.sharkfinsoupinsouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandt

7、heWWFdeveloplawsscientificstudiesTheearthisbadlypolluted.Whatshouldwedotosavetheearth?DiscussionLet’stakeaction(采取行动)Turnoffthelightswhenyouleavearoom.Recyclebooksandpaper.Takebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.W