英语人教版九年级全册Unit 13 Period Three (3a-3b).ppt

Unit13Wearetryingtosavetheearth.,SectionA3a-3b,Theearthisbadlypolluted.Pleasethinkofthewaysthatwecando.,Savetheearth!,closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorreusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;rethink,reuse,recycle.,solutions,自治区、直辖市重点保护野生动物名录的还有成百上千种。随着经济的持续快速发展和生态环境的日益恶化，我国的濒危动物种类还会增加。改革开放以来，我国进口了不少动物，如湾鳄、暹罗鳄、食蟹猴、黑猩猩、非洲象等。至于我国究竟有多少种濒危动物很难说清。但可以肯定，如果包括无脊椎动物的话，至少有1000种。,Animalsareourfriends.,Weliveinthesamesmallworld.Toloveanimalsistoloveourselves.,Everyspecieshasitsownreasontosurvive.Nowthatwehumanappearedontheearth,weshouldliveinharmonywitheverythinglivesonit.Sometimesprotectingthewildanimalsisjustasimplethingifeveryonetakesasmallstep.,spi:i:z,n.物种;种类;类型,hrmni,n.协调;融洽一致;和谐,Notonlypandasbutalsosharksareendangerednow!,1.Whatdoyouknowaboutsharks?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?,Thesharkswerecaught.,Thesharkisbeingkilled.,Themaniscuttingthefinoff.,Thesharksthathavenofinswillbethrownbackintotheoceanagain.,Thefinswillbedeliveredtothemarketsortherestaurants.,Thesharkfinsoup,1800.00RMBeachbowl,Itcomes.,YaoMing,theChinesebasketballstar,arecallingonustoprotectsharks.AswhathesaidintheAd,whenthebuyingstops,thekillingcantoo.,Beforeyouread,1,Lookatthephoto,thequestionsin3aandthetitletothestoryonpage99.Thenanswerthequestionsbelow.,Whocanyouseeinthepicture?Whatdoesthepassagemaytalkabout?,Ashark.,Itmaytalkaboutthesharks.,Readthetitle,thefirstandlastsentencesineachparagraphsandmatchthemainideas.,Talkaboutsharkfinsoup.Sharksareendangerednow.Appealtopeopleagainsteatingsharkfins.,Para.3Para.1Para.2,insouthernChina,around70million,over90percent,WildAidandtheWWF,3a,Readthepassageaboutsharksafterthetapeandcompletethefactsheetbelow.,Whileyouread,2,ReadParagraph1andjudgethesentences.,Sharksfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.Yourekillingawholesharkwhenyouenjoyabowlofsharksfinsoup.,F,T,Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyourekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?,ReadParagraph1andlearnit,PointsinPara1hearof听说sharkfinsoup鱼翅汤insouthernChina=inthesouthofChina在中国南部地区eachtime每当abowlof一碗,Manyhave听说鱼翅汤.Thisfamousandexpensivedishisespeciallypopular在中国的南部地区.Butdoyourealizethatyourekillingawholeshark每当youenjoy一碗sharkfinsoup?,ReadParagraph2carefullyandanswerthefollowingquestions,Becausesharksareatthetopofthefoodchainintheoceansecosystem.,Althoughsharksareatthetopofthefoodchain,people_theirfinsandeat_.,cutoff,sharkfinsoup,Ifasharkdoesnthaveafin,whatwillhappen?,Asharkcannolongerswimandslowlydies.,Ifsharksnumbersdroptoolow,whatwillhappen?,Itwillbringdangertoalloceanlife.,Whyaresharksendangerednow?,Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.,Savethesharks!,FillinthechartaccordingtoParagraph2.,peopleenjoy_,fishermen_,_,then_,_decreasedquickly,abowlofsharkfinsoup,catchsharks,cuttheirfins,throwthemintotheocean,Thenumbersofsomekindofsharks,Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheoceansecosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.,PointsinPara2cutoff切掉notonlybutalso不仅，而且beharmfulto对有害withoutafin没有了鳍nolonger不再atthetopof在的顶部thefoodchain食物链intheoceansecosystem在海洋生态系统中danger危险-dangerous危险的,Whenpeoplecatchsharks,they切掉theirfinsandthrowthesharkbackintotheocean.Thisis不仅cruel,而且对有害theenvironment.没有了afin,asharkcan不再swimandslowlydies.Sharksare在食物链的顶部intheoceans生态系统.Iftheirnumbersdroptoolow,itwillbring危险toalloceanlife.,Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.,PointsinPara2endangered濒临灭绝的infact实际上catch-caught-caughtindustry工业，产业，行业fall-fell-fallenover90percent超过百分之九十inthelast20to30years在过去的20到30年里（用现在完成时）,Manybelievethatsharkscanneverbe濒临灭绝的becausetheyarethestrongestintheirfoodchain.But实际上,around70millionsharksare捕捉andtradedinthis产业everyyear.Thenumbersofsomekindsofsharkshave在过去的20到30年下降了超过百分之九十.,ReadParagraph3anddiscuss,Howcanwesavethesharks?,Whataretheydoing?,Theyareteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.,Whatcanwedotosavethesharks?,Weshouldstopeatingthesharkfinsoup!,ReadParagraph3andjudgethesentences.,WildAidandtheWWFareenvironmentalprotectiongroupsinChina.Twoenvironmentalgroupsappealtoestablishlawstostopsalesharkfins.Sharksfinsaregoodforhealth.,F,T,F,Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharksfins.Sofar,noscientificstudieshaveshownthatsharksfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!,PointsinPara3environment-environmentalenvironmentalprotectiongroups环保组织suchas例如developlawstostopthesaleofsharkfins完善法律来组织预鱼鳍的销售sofar到目前为止（用现在完成时）scientificstudies科学研究show-showed-shown/showed,环境保护组织aroundtheworld,例如WildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernments完善法律来阻止鱼鳍的销售.到目前为止,no科学研究have表明thatsharksfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!,1.Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharksfinsoup.2.Sharksareatthetopofthefoodchain,_iftheirnumbersdrop,theoceansecosystemwillbeindanger.,Readthepassageagainandfillintheblankswiththewordsinthebox.,so,when,3b,Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong._therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_wedonotdosomethingtostopthesaleofsharkfins.,but,Although,If,3,Afteryouread,Retellthepassageaccordingtothemindmap.,Savethesharks,bekilledforsharkfinsoup,Why?,How?,catch,cutoff,throwbackinto,Results?,ca