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Unit13Section2SavetheSharks!拯救鲨鱼市公开课一等奖省赛课微课金奖PPT课.pptx

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SectionA23a-3bTheearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction(采取行动)Checkifyouknowthesephrases.Checkifyouknowthesephrases.Savetheearth!UsesomewordstodescribethesharkssharkfinsoupHowdopeoplemakeabowlofsharkfinsoup?Cutoffshark’sfinCanthesharklivelongwithoutthefin?Thesharkwilldieslowlywithoutthefin.=Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Withoutafin,asharkcannolongerswimandslowlydies.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatshark’sfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!Wheresharkfinsoupispopular①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②You’rekillingawholesharkwhenyouenjoyabowlofshark’sfinsoup.1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.ReadParagraph2andfillinthechart.ReadParagraph3andjudgethesentences.Whatcanwedotosavethesharks?so3.Manythinkthatsharksaretoostrongtobeendangered,____________theyarewrong.4.__________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday__________wedonotdosomethingtostopthesaleofsharkfins.Let'sdothistoreviewthetext!!!1.SavetheSharks!savevt.“救，拯救”，后常跟介词from。e.g.Hesavedtheboyfromthebigfire.他从大火中救出了那个男孩。Thedogsavedthegirl'slife.那只狗救了女孩命。拓展:save作及物动词,“储蓄，贮存；节约”。e.g.Sh