人教版九年级英语下册《nit15WeretryingtosavethemanateesSectionA》教案6

1、Unit13Weretryingtosavetheearth!SectionA2(3a-3c)I.RevisionTranslation.甚至是河底都尽是垃圾。这个小镇上的每一个人都应当参加打扫。骑自行车有其余的长处。我买外卖食品素来不拿木筷子和塑料叉子。WarmingupT:Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Letstakeaction.Forexample:Turnoffthelightswhenyouleavearoom;TakebusesinsteadofdrivingcarsRecyclebooksandpape

2、r.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!DiscussionWhatdoyouknowaboutshark(鲨鱼)?Doyouthinksharkscanbeendangered?Why?Whatdoyouthinkmightcauseafallinthenumberofsharks?IV.Reading1.Completethefactsheetin3a.WheresharkfinsoupispopularNumberofsharkscaughtand

3、tradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupswhichareagainst“finning”2.Retellthepassage.sharksfinsoup,insouthernChinaeachtimecutoffnolongernotonlyatthetopdropbeendangeredaround70millionfallenbyover90percentdeveloplawsscientificstudiesbutalsothestrongestWildAidandtheWWFV.Practice(Workon3b

4、)Readthepassageandfillintheblankswiththewordsinthebox.Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharkfinsoup.Sharksareatthetopofthefoodchain,_iftheirnumbersdrop,theoceanecosystemwillbeindanger.Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong._therearenoscientificstud

5、iestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.Sharksmaydisappearoneday_wedonotdosomethingtostopthesaleofsharkfins.VI.LanguagepointsAsharkcannolongerswimandslowlydies.鲨鱼不可以再游泳而后慢慢死掉。nolonger意思是“不再”,往常位于实义动词以前，助动词、神态动词或系动词以后。e.g.MrBrownnolongerworkshere.布朗先生不再在这里工作了。=MrBrowndoesntw

6、orkhereanylonger/anymore.【运用】.达成句子，每空一词。2013年3月，因为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)nolonger.改为同义句。Joenolongerlikesdancing._Joedoesniketldancinganylonger/anymore.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.这类方法不只残忍并且对环境有害。1）noto

7、nlybutalso用于连结两个表示并列关系的成分，侧重重申后者，其意为“不单而且”;此中的also有时能够省略。Notonlydoesmysistersingwell,butshedanceswell.我姐姐不只歌唱得好，并且舞也跳得好。Notonlythestudentsbutalsotheteacherisworkinghard.不单学生们在努力，并且那位老师也在努力。当notonly置于句首时，常用_。倒装语序notonly.butalso.连结两个主语时，谓语动词需与_那个主语在人称和数上保持一致。后边【运用】同义句变换，每空一词。(1)SheandIhavealreadybeent

8、oBeijing._she_IhavealreadybeentoBeijing.Notonlybutalso(2)Helikestoswimandhewantstoteachthekidstoswim,too.Notonly_toswim,_hewantstoteachthekidstoswim.doeshelikebut(3)Thetwinswerelatethismorning.Samwaslatethismorning,too.Notonlythetwins_Sam_latethismorning.butalsowas_Sambutalsothetwins_latethismorning

9、Not.onlywere2)beharmfulto对有害e.g.Smokingisharmfultothehealth.抽烟有害健康。Playingcomputergamesmuchisharmfultostudents.电脑游戏玩太多对学生有害。3.Sharksareatthetopofthefoodchainintheoceansecosystem.鲨鱼位于大海生物系统食品链的顶部。atthetopof在.最高地位;用最高最大的(速度,声音等)e.g.Heshoutedatthetopofhisvoiceinorderthathemightbeheard.他全力高声叫唤,以便他人能听见。Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.假如它们的数目降至过低，会给全部大海生物带来危险。此句复数形式的number表达全大海中鲨鱼的总量。Inthatcountry,thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage.在那个国家，城市少儿入学人数比乡镇及乡村要高。当表示数值的高或低时，number要用_修饰。常与numb