英语人教版九年级全册Unit 13 Section A 3a-3c教案

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1、Unit13We’retryingtosavetheearth!SectionA2(3a-3c)I.RevisionTranslation.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.Warmingup1.T:Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction.Forexample:①Turnoffthelightswhenyouleavearoom;②Takebuses

2、insteadofdrivingcars③Recyclebooksandpaper.2.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!III.Discussion1.Whatdoyouknowaboutshark(鲨鱼)?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?IV.Read

3、ing1.Completethefactsheetin3a.Wheresharkfinsoupispopular NumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”2.Retellthepassage.shark’sfinsoup,insouthernChinaeachtimecutoffnol

4、ongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesV.Practice(Workon3b)Readthepassageandfillintheblankswiththewordsinthebox.1)Manypeopledonotrealizetheyarekillingawholeshark______theyenjo

5、yabowlofsharkfinsoup.2)Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3)Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4)_________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforh

6、ealth.5)Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.VI.Languagepoints1.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳然后慢慢死掉。nolonger意思是“不再”,通常位于实义动词之前，助动词、情态动词或系动词之后。e.g.MrBrownnolongerworkshere.布朗先生不再在这里工作了。=MrBrowndoesn’tworkhereanylonger/anymore.【运

7、用】Ⅰ.完成句子，每空一词。2013年3月，由于H7N9禽流感，白水鸭在南京不再受欢迎。Whiteducksare_________lovelyinNanjingbecauseofH7N9birdfluinMarch,2013.(2013新疆乌鲁木齐)nolongerⅡ.改为同义句。Joenolongerlikesdancing._______________________________________Joedoesn’tlikedancinganylonger/anymore.2.Thismethodisnotonlycruel,bu

8、talsoharmfultotheenvironment.这种方法不但残忍而且对环境有害。1）notonly…butalso…用于连接两个表示并列关系的成分，着重强调后者，其意为