九年级英语全册unit13we’retryingtosavetheearthsectiona2（3a_3c）教案（新版）人教新目标版

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1、Unit13We’retryingtosavetheearthSectionA2(3a-3c)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.Leadin(1)Teachertellsstudentstheearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction.Forex

2、ample:①Turnoffthelightswhenyouleavearoom;②Takebusesinsteadofdrivingcars③Recyclebooksandpaper.(2)Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!III.Discussion(1)Haveyoueverseenashark?(2)Whatdoyouknowaboutsharks?IV.Reading(1)Sharksareenda

3、ngered,readthepassageandjudgethesentences.①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②Wehavetokillawholesharktogetabowlofshark’sfinsoup.③Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.④Sharksareinthebottomofthefoodchainintheocean’secosystem.⑤WildAidandth

4、eWWFareenvironmentalprotectiongroupsinChina.⑥Shark’sfinsaregoodforhealth.(2)Completethefactsheetin3a.4Wheresharkfinsoupispopular NumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning

5、”V.Practice(3b)(1)Readthepassageanddillintheblankswiththewordsinthebox.1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostron

6、gtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.(2)Retellthepassageaccordingtothewordsbelow.shark’sfinsoup,insouthernCh

7、inaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesVI.Languagepoints1.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳然后慢慢死掉。4nolonger意思是“不再”e.g.I’mnolongerastudent.我不再是个学生了。有两个短

8、语和nolonger同义，即not…anylonger和not…anymore，但他们侧重的方面不同。nol