新人教版九年级英语下册《nit13Wex27retryingtosavetheearthSectionA2a-2d》教案14

1、Unit13Weretryingtosavetheearth!一、教课目的：语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,

2、creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pulldown,bringback基本句型：Weretryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.技术目标:能正确运用此刻进行时，此刻达

3、成时，被动语态，神态动词和usedto句型。感情目标:有环境危机意识，学会关注环境保护环境。二、教课重难点：教课要点：（1）能正确运用此刻进行时，此刻达成时，被动语态，神态动词和usedto句型。2）保护环境的举措方法。教课难点：能正确运用此刻进行时，此刻达成时，被动语态，神态动词和usedto句型。三、教课步骤:SectionA1(1a-2c)I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheair

4、withalotofblacksmoke.(2)Factoriesputwasteintotheriver.Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.II.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuild

5、inghousesmobilephonesnoisepollutionairpollutionwaterpollution_III.Listening1.Workon1b.Listenandcompletethesentences.Whatwastheproblem?Theriverwas_.Eventhebottom(底部)oftheriverwasfullof_.Therewerenomore_forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_intotheriver.Factoriesareputting_int

6、otheriver.Howshouldtheproblembesolved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.2.Listenagainandanswerthefollowingquestions.WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.WhydoesntMarkwanttogowithTony?Becausetheriverwas

7、reallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3)Howwastheriverinthepast?Itusedtobesoclean.Ithasbeenthenicestriverinthistown.IV.PracticeRole-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!

8、Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Makeconversationsusingthepollutionin1a.Theriverhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.ButIwastherelastweekendandtheriverwasreallydirty.Whatcausedtheproblem?Peoplearethrowinglitte

9、rintotheriver.Whatshouldwedo?Factoriesarealsoputtingwasteintotheriver.Yes,everyoneinthistownshouldplayapart.Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.Whatelsecanwedo?Everyoneshouldhelptocleanuptheriver.V.Languagepoints1.Weretryingtosavetheearth!我们正在全力以赴挽救地球!trytodo=tryonesbest全力t

10、o去do做某事【运用】我会全力做好这项工作。_Welltrytofinishtheworkinaweek.try短语trydoingsth.试着做某事tryon试穿tryout试试；试验；试一试用try短语的适合形式填空。Iwenttothetailorsto_mynewsuit.Lets_yourmethod.Itseemsverygood.Ithinkyoushould_toimproveyourEnglish.Letme_thestory.让我试着讲一讲这个故事吧。Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto

11、与相关e.g.Isthedriverrelatetotheaccident?司机和这举事故相关吗？VI.ListeningandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollutionWorkon2b.Listenagainandcompletethesentences.Theairisbadlypollutedbecausethereare_ontheroadthesedays.Factoriesthatburncoalalso_theairwithalotofblacksmoke.Thereis

12、alsotoomuchrubbishandwaste.People_thingseveryday.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintougly(丑恶)ones.Completethesentencesaccordingtothedialogue.1.I_abletoseestarsinthesky,butnowIcanusedtseetothemclearly.beTheair_really_aroundtherehas.becomepollutedPeoplearealso_inthepubli

13、cplaceslittering.Thefactoriesthatburn_also_theairwithalotofblacksmoke.coalpollutedUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Jason:Theairhasbecomereallypollutedaroundhere.Imgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:TheproblemisthatVIII.DiscussionAskstudentswhatweshoulddotosavetheearth.Helpstudentsanswer,turnoffthelightswhenyo