九年级人教版英语教学课件：Unit 13 Section A 3a-3b.ppt

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1、Unit13Grammar&WritingWe'retryingtosavetheearth!1.Whatdoyouknowaboutsharks?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?Thesharkisbeingkilled.Themaniscuttingthefinoff.Thesharksthathavenofinswillbethrownbackintotheocea

2、nagain.Thefinswillbedeliveredtothemarketsortherestaurants.3aReadthepassageaboutsharksandcompletethefactsheetbelow.SavetheSharks!Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou'rekillingawholeshark

3、eachtimeyouenjoyabowlofsharkfinsoup?听说过鱼翅汤中国南部Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean's

4、ecosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeenendangeredbecausetheyarethestrongestintheirfoodchain.割断，切下残忍的对……有害食物链海洋生态系统Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersof

5、somekindsofsharkshavefallenby90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout"finning".Thenhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshow

6、nthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!行业野生救援协会世界自然基金会WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentscanhelpTwoenvironmentalgroupsagainst"finning"InsouthernChina70millionDeveloplawstostopthesaleofsharkfinsW

7、ildAidandtheWWFsoalthoughifbutwhen1.Manypeopledonotrealizetheyarekillingawholeshark___________theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,_______iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3bReadthepassageagainandfillintheblan

8、kswiththewordsinthebox.3.Manythinkthatsharksaretoostrongtobeendangered,____________theyarewrong.4.__________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfin