初中英语-Unit 8 We're are trying to save the earth.SA3a-3b英语教学设计学情分析教材分析课后反思

Unit8We’retryingtosavetheearth.SA(3a-3b)SavetheSharks!Step1【Learningaims】1.Theknowledgeobjectives:1.Wordsandexpressions:shark,fin,cruel,harmful,beharmfulto,atthetopof,chain,thefoodchain,ecosystem2.Keysentences:1)Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.2)Thisisnotonlycruel,butalsoharmfultotheenvironment.3)Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.2.Theabilityobjective:Tounderstandthepassageabouttheendangeredanimal–sharks3.Theemotionalobjectives:TohavetheawarenessofprotectingthesharksandrespectingnatureStep2Dictation1.n.鲨鱼_________2.n.（鱼）鳍_______3.adj.残酷的；残忍的_________4.adj.有害的____________5.对有害的_________________6.在顶部或顶端___________________7.n.链子；链条食物链__________8.n.生态系统______________9.n.工业；行业_____________10.n.法律；法规__________11.adj.科学上的；科学的________________Step3ReadingTask1Lookatthepicture,thequestionsin3aandthetitleofthestoryonpage59.Thenanswerthequestionsbelow.1Whatcanyouseeinthepicture?2Whatmaythepassagetalkabout?Task2Readthetitle,thefirstandthelastsentenceofeachparagraphandmatchthemainideas.Talkaboutsharkfinsoup.Para.3Sharksareendangerednow.Para.1Callonpeopleagainsteatingsharkfins.Para.2Task3ReadParagraph1andjudgethesentences.①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②You’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup.ReadParagraph2andanswerthequestions.1.Whatdopeopledowhentheycatchsharks?Canasharkswimwithoutafin?Why?ReadParagraph3andjudgethesentences.1WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Twoenvironmentalgroupscallonthegovernmenttoestablishlawstostopthesaleofsharkfins.3.Shark’sfinsaregoodforhealth.Task4Readthepassageaboutsharksandcompletethefactsheetbelow.WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearThenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupsagainst“finning”Task5Fillinthecharttoretellthepassage.Peopleenjoy___________________.People_____________,they________________,then____________________.___________________________________havefallenbyover90%inthelast20to30years.Task63bReadthepassageagainandfillintheblankswiththewordsinthebox.1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_____wedonotdosomethingtostopthesaleofsharkfins.Step4GroupworkWhatcanwedotosavethesharksandotherendangeredanimals?Workwithyourpartnerandmakeaposteraboutanimalprotection.Step5quizTask1Checkifyouknowthesephrases.1.把垃圾扔到河里________________2.在…中起作用_______________________3.在中国南部______________________4.对……有害_______________________5.在……顶部____________________6.海洋生态系统_______________________Task2Translateandwritethemdown.1鲨鱼不能再游泳然后慢慢死掉。Asharkcan_______________swimandslowlydies