人教版·九年级下册英语Unit13We'retryingtosavetheearth!SectionA3a-3d情景导入点击图片，播放视频Doyoulikeanimals?Howdoyouhelpprotecttheendangeredanimals?生成新知3aReadthepassageaboutsharksandcompletethefactsheetbelow.SavetheSharks!Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?n.鲨鱼n.（鱼）鳍Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.adj.残酷的；残忍的adj.有害的在……的顶部或顶端n.链子；链条食物链n.生态系统Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.n.工业；行业Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!n.法律；法规adj.科学上的；科学的WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgoernmemtcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWFTask1Task1Readthetitle,thefirstandlastsentencesineachparagraphsandmatchthemainideas.Talkaboutsharkfinsoup.Para.3Sharksareendangerednow.Appeal(呼吁)topeopleagainsteatingsharkfins.Para.1Para.2Task2Task2ReadParagraph2carefullyandanswerthefollowingquestions.1.Ifasharkdoesn’thaveafin,whatwillhappen?2.Ifsharks’numbersdroptoolow,whatwillhappen?3.Whyaresharksendangerednow?1.Ifasharkdoesn’thaveafin,whatwillhappen?2.Ifsharks’numbersdroptoolow,whatwillhappen?3.Whyaresharksendangerednow?Ifashar...
