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Unit13SectionA3a-3bSavetheshakrs!Whatisthebiggestanimalonland?elephant陆地上whaleWhatisthebiggestanimalintheocean?在海洋里sharkWhatisthefiercestanimalintheocean?凶猛的1.Whatdoyouknowaboutsharks?thestrongestthefiecestTheyareatthetopofthefoodchainintheocean'secosystem.thekingoftheoceanAnecosystemisalltheplantsandanimalsthatliveinaparticularareatogetherwiththecomplex(复杂的）relationshipthatexists（存在）betweenthemandtheirenvironment.生态系统theforestecosystem森林生态系统themarineecosystem海洋生态系统Coralreefsareamarineecosystem珊瑚礁是一个海洋生态系统thefoodchain浮游动物最高层的猎食动物浮游植物thefoodchainjellyfish水母algae海藻食物链1.Whatdoyouknowaboutsharks?thestrongestthefiecestTheyareatthetopofthefoodchainintheocean'secosystem.sharkfinsoupthekingoftheoceansharkfinsharkfinsoupSharkfinsoupismadefromsharkfins.Itisrareandisbelievedtohavemanyhealthbenefits,soitisverypopularandexpensive.Infact,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.稀有的好处sciencen.adj.科学的Whatdoyouthinkoftheprocessofgettingsharkfins？It’scruel.finning?Also,itisbadtotheenvironmentIt’scruel,harmfultotheenvironment.notonlybutalsoHowdopeoplegetsharkfins?Theycatchsharksandcutofftheirfins.fin-finned-finnedfin-finning割鲨鱼鳍以获取鱼翅harmfulSharksareatthetopofthefoodchain.2.Doyouthinksharkscanbeendangered?Why?Peoplebelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Theythinksharksaretoostrongtobeendangered.Sharksarenowindanger!!Theyareendangered!!Completethemainideaofeachparagraph.Para1Sharkfinsoupis_________.Para2Sharksare___________becauseofpeople's______.Para3Weshouldthesharks.popularendangeredkillingsaveWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentscanhelpTwoenvironmentalgroupswhichareagainst“finning”southernChina70millionWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.developlawstostopthesaleofsharkfins反对3b1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifReadthepassageagainandfillintheblankswiththewordsinthebox.Whereissharkfinsouppopular?Para1ItisespeciallypopularinsouthernChina.Para2Q1:Whatdopeopledoinordertogetsharkfins?Peoplecatchsharks,cutofftheirfinsandthrowthesharkbackintotheocean.asaresultIt’snotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Q2:Whatdoesthewriterthinkofpeople’sbehavior?行为33Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Q3:Whydoesthewritersayitisharmfultotheenvironment?atthetopofthefoodchain降到太低给...带来危害Q4:What’sthesituationofsharksnow?They’reendangered/Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.indanger.Details:产业交易，买卖2.________________________________1._____________________________Q1:Aresharkfinsgoodforhealth?Q2:Whathavepeopledoneagainstfinning?Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.EnvironmentalprotectiongroupsTeachthepublicaboutfinningAskgovernmentstodeveloplawstostopthesaleofsharkfinsPara3A.理论的B.科学的1:30WildAidWildAid（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物YaobecameaWildAidambassadorin2006whenhesignedthepledgetogiveupsharkfinsoup,andhassinceappearedinnumerousads,billboards,andTVPublicServiceAnnouncementscallingforanendtotheillegalwildlifetrade.Hesetsagoodexampleforus.公益广告大使签署保证许多的，很多的要求,提倡非法的；违法的广告牌树立榜样WWF（世界自然基金会）英文全称为WorldWideFundForNature，成立于1961年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一WWF(WorldWideFundforNature)isoneoftheworld’slargestandmostrespectedindependentorganizationsdedicatedtotheconservationofnature.SincethefirstofficewasfoundedinSwitzerlandin1961,WWFhasgrownintoaglobalnetworkactiveinmorethan100countrieswithalmostfivemillionsupporters.致力于保护自然瑞士全球的支持者；拥护者Whatcanwedotosavethesharks?Wecan…Weshould/aresupposedto…It’sagoodideato…Whynot…Weshouldn’t…Ifwedon'tdosomething,sharksmaydisappearoneday.消失Weshouldknow/realizesharksarenofoodbutfriends.Wearesupposedtostopsharkkilling.It'sagoodideatosignthepledgetoprotectsharks.Whynotsignthepledgetoprotectsharks?Weshouldn'tbuysharkproducts.Weshouldsaynotosharkproducts.WhentheBuyingStops,theKillingCanToo.没有买卖，就没有杀害。1.Withoutafin,asharkcannolongerswimandslowlydies.没有了鱼鳍，鲨鱼不能再游泳然后慢慢死掉。nolonger意思是“不再”e.g.I’mnolongerastudent.我不再是个学生了。nolonger和not…anylonger侧重时间。e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，他就离开了。)nomore和not…anymore侧重程度和数量e.g.Youcandrinknomore.=Youcan’tdrinkanymore.你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)2.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不但残忍而且对环境有害。notonly…butalso…用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”;其中的also有时可以省略。e.g.Shenotonlyplayswell,butalsowritesmusic.她不但很会演奏，而且还会作曲。Notonlymenbutalsowo