九年级英语unit13 we are trying to save the earth sectionA 3a-3c

.,WearetryingtosavetheearthSectionA3a-3b,Unit13,.,AirPollution,.,WaterPollution,.,Landpollution,.,Noisepollution,.,Notonlyistheearthpolluted,butalsosomeanimalsareendangered.,.,Usesomewordstodescribethesharks,.,big,large,cruel,scaring,dangerous,terrible,.,sharkfinsoup,famous,expensive,popular,.,sharkn.鲨鱼,finn.（鱼）鳍,crueladj.残酷的；残忍的,.,thefoodchain食物链,ecosystem生态系统,WildAid野生救援协会,WWF世界自然基金会,.,Cutoffsharksfin,Throwthesharkbackintotheocean.,.,Canthesharklivelongwithoutthefin?,Canthesharkswimwithoutthefin?,Canthesharkcatchfoodwithoutthefin?,.,Thesharkwilldieslowlywithoutthefin.,.,Step1skimmingReadpassageandMatchthemainideawitheachparagraph,Para1Para2Para3,Environmentalprotectiongroupsareagainst“finning”.Somebasicfactsaboutsharkfinsoup.Someimportantfactsaboutkillingsharks.,.,3a,Readthepassageagainandcompletethefactsheetbelow.,Step2Scanning,.,SouthernChina,70million,Over90percent,WildAid,WWF,.,Step3Carefulreadinga.CarefulreadingPara.one,Twofactsabout,SharkfinSoup,1.ThisfamousandexpensivedishisespeciallypopularinsouthernChina,2.Werekillingawholesharkeachtimeweenjoyabowlofsharkfinsoup.,1.,2.,.,Wehavetokillawholesharktogetabowlofsharksfinsoup.Peoplecutoffsharksfinsandthrowthesharksbackintotheocean.Sharksareinthebottomofthefoodchainintheoceansecosystem.Sharkscanneverbeendangered.,Telltrue(T)orfalse(F),(T),(T),(F),(F),b.CarefulreadingPara.two,.,Why?,Thisisnotonlycruel,butalsoharmfultotheenvironment.,Twoopinionsaboutkillingsharks:,Withoutafincannolongerswimandslowlydies.,atthetopofthefoodchain.bringdangertothealloceanlife.,.,Twoopinionsaboutkillingsharks:,2.Manybelievethatsharkscanneverbeendangered.,Butinfact,around70millionwerecaughtandtradedinthisindustryeveryyear.,Thenumbershavefallenbyover90percentinthelast20to30years.,.,WhatarethenamesofthetwoEnvironmentalprotectiongroups?2.Whataretheydoingtoprotectthesharks?a.Theyareteachingthepublicabout“finning”b.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.,C.CarefulreadingPara.three,.,3b,Readthepassageagainandfillintheblankswiththewordsinthebox.,Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,_iftheirnumbersdrop,theoceansecosystemwillbeindanger.,when,so,.,3.Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong.4._therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_wedonotdosomethingtostopthesaleofsharkfins.,but,Although,if,adj.科学上的，科学的,.,鲨鱼不能再游泳。(nolonger位于be，情态动词之后)Asharkcannolongerswim.,2.我不再是个学生了。(nolonger)e.g.Imnolongerastudent.,nolonger=nomore=notanylonger=notanymore，,Languagepoints,.,e.g.Henolongerliveshere.=Hedoesntlivehereanylonger.e.g.Hecandrinknomore.=Hecantdrinkanymore.,A.Hedoesntlivehereanylonger.,B.Hecantdrinkanymore.,.,Notonlythemanbutalsothewomen_(be)chosen.不仅仅是男的，女的也有被选中的。,were,.,e.g.Notonlyyoubutalsohe_(have)toleave.不只是你，他也得离开。,has,.,beharmfultoSmokingisharmfultothe