初中英語(yǔ)-Unit 8 We're are trying to save the earth.SA3a-3b英語(yǔ)教學(xué)課件設(shè)計(jì)

SectionA3a-3b

Unit8We’retryingtosavetheearth!

Notrading,nokilling.Objectives1.Tohavetheawarenessofprotectingthesharksandrespectingnature2.Tounderstandthepassageabouttheendangeredanimal–sharks3.Tolearntousesomewordsandexpressionsshark;fin;cruel;thefoodchain;ecosystem;industry;lawnolonger;beharmfulto;atthetopofWordsandexpressionsn.鯊魚(yú)n.（魚(yú)）鰭adj.殘酷的；殘忍的adj.有害的對(duì)有害的在頂部或頂端n.鏈子；鏈條食物鏈n.生態(tài)系統(tǒng)n.工業(yè)；行業(yè)n.法律；法規(guī)adj.科學(xué)上的；科學(xué)的sharkfincruelharmfulbeharmfultoatthetopofchainthefoodchainecosystemindustrylawscientificTheElephant’sivoryTheBlackBear’spawsTheRhino’shornWhatkindofanimalsarethey?SharksAlthoughallthepeopleareafraidofsharks,theyarestillindanger.SharkDuetothepreferencetosharkfins（魚(yú)翅）,peopleoftencutsharks'finsoffwithoutanymercy.Thenpeoplethrowthesharksbacktothesea.Thesharksusuallydieinashorttime.Notrading,nokilling.Beforeyouread1Lookatthepicture,thequestionsin3aandthetitleofthestoryonpage59.Thenanswerthequestionsbelow.Whatcanyouseeinthepicture?Whatmaythepassagetalkabout?Ashark.Itmaytalkaboutthesharks.Readthetitle,thefirstandthelastsentenceofeachparagraphandmatchthemainideas.Talkaboutsharkfinsoup.Sharksareendangerednow.Callonpeopleagainsteatingsharkfins.Para.3Para.1Para.2WhileyoureadReadParagraph1andjudgethesentences.①Shark’sfin（魚(yú)鰭）soupisfamousandexpensiveallaroundtheworld.②You’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup.FTinsouthernChina.WhileyoureadReadParagraph2andanswerthequestions.1.Whatdopeopledowhentheycatchsharks?2.Canasharkswimwithoutafin?Why?Theycutofftheirfinsandthrowthesharkbackintotheocean.No.Withoutafin,Asharkcannolongerswimandslowlydies.ReadParagraph3andjudgethesentences.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Twoenvironmentalgroupscallonthegovernmenttoestablishlawstostopthesaleofsharkfins.3.Shark’sfinsaregoodforhealth.FTFaroundtheworldSofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Readthepassageaboutsharksandcompletethefactsheetbelow.3aWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearThenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupsagainst“finning”insouthernChinaaround70millionover90percentWildAid&theWWFFillinthecharttoretellthepassage.peopleenjoy_____________________people___________,they___________,then___________________________________________________havefallenbyover90%inthelast20to30years.abowlofsharkfinsoupcatchsharkscutofftheirfinsthrowthembackintotheoceanThenumbersofsomekindofsharks1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_____wedonotdosomethingtostopthesaleofsharkfins.whensobutAlthoughifReadthepassageagainandfillintheblankswiththewordsinthebox.3bWhatcanwedotosavethesharksandotherendangeredanimals?Workwithyourpartnerandmakeaposteraboutanimalprotection.GroupWorkQuizCheckifyouknowthesephrases.1.把垃圾扔到河里2.在…中起作用3.在中國(guó)南部4.對(duì)……有害5.在……頂部6.海洋生態(tài)系統(tǒng)throwtherubbishintotheriverplayapartininsouthernChinabeharmfultoatthetopoftheocean’secosystemTranslateandwritethemdown.鯊魚(yú)不能再游泳然后慢慢死掉。2.這個(gè)方法不僅殘酷還對(duì)環(huán)境有害。3.鯊魚(yú)處于海洋食物鏈的頂部。Asharkcannolongerswimandslowlydies.Thisisnotonlycruel,butalso

harmfultotheenvironment.

Sharksareatthetopofthefoodchainintheocean’secosystem.1.Reviewthenewwords

andexpressionsyou’velearnedtoday.2