英语人教版九年级全册Unit 13 Section A 3a-3b 教学设计

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1、Unit13We’retryingtosavetheearth!SectionA2(3a-3b)一、教学目标：1.语言知识目标基本词汇：shark,fin,method,cruel.Harmful,chain,ecosystem,industrywww-2-1-cnjy-com基本词组：takeaction,throwaway,putsth.togooduse基本句型：Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目标:能正确运用现在进行时，现在完成时

2、，被动语态，情态动词和usedto句型。3.情感目标:有环境危机意识，学会关注环境保护环境。二、教学重难点：1.教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。（2）保护环境的措施方法。2.教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。三、教学步骤:I.Revision(1)Role-play2d.(2)TranslatethesesentencesintoEnglish.①甚至是河底都满是垃圾。②这个小镇上的每个人都应该参加打扫。③骑自行车有其它的优点。④我买外卖食品从来不拿木筷子和塑料叉子。II.Lea

3、din(1)Teachertellsstudentstheearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction.Forexample:①Turnoffthelightswhenyouleavearoom;②Takebusesinsteadofdrivingcars③Recyclebooksandpaper.(2)Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!III.Discu

4、ssion(1)Haveyoueverseenashark?(2)Whatdoyouknowaboutsharks?IV.Reading(1)Sharksareendangered,readthepassageandjudgethesentences.①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②Wehavetokillawholesharktogetabowlofshark’sfinsoup.③Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.④S

5、harksareinthebottomofthefoodchainintheocean’secosystem.⑤WildAidandtheWWFareenvironmentalprotectiongroupsinChina.⑥Shark’sfinsaregoodforhealth.(1)Completethefactsheetin3a.Wheresharkfinsoupispopular NumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to3

6、0yearsTwoenvironmentalgroupswhichareagainst“finning”V.Practice(3b)(1)Readthepassageanddillintheblankswiththewordsinthebox.1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindang

7、er.3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofshar