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1、Unitl3-/71417后91:。721:114011卜教学设计教学准备1 .教学目标1 .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,wo
2、rk,metal,creativity,基本词组：beharmfulto,atthetop（ofsth.）,takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull.down,bringback基本句型：We,retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2 .技能目标:
3、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。3 .情感目标:有环境危机意识，学会关注环境保护环境。2 .教学重点/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。3 .教学用具多媒体设备4 .标签教学过程1.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriest
4、hatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.II.LearningHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsbbishplaneslitteringssmokingbuildinghou
5、sesmobilephonesnoise pollutionairpollutionwaterpollutionKeys:noisepollutionloudmusicplanesmobilephonesbuildinghouseswaterpollutionshipsrubbishlitteringfactoriesHLListening1. IbListenandcompletethesentences.Wliatwastheproblem?Theriverwasbottom(底部)oftheri.Therewerenofisennen(渔民)tocatch.Wliatcausedthep
6、roblem?PeoplearetlowingFactoriesareputtingiHowshouldtheproblembesolved?Weshouldwitetothethemtothefashouldhelptoth2. Keys:reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup3. 1.istenagainandcheck(4)thesentencesyouhear.1) Wecouldgofishingintheriver.2) Theriverwasreallydirty.3) Theriverhasalwa
7、ysbeenthenicestriverinthistown.4) Weshouldasktheteachersforhelp.Keys:23IV.Practice1. Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningit
8、up!2. Makeconversationsusingthepollutioninla.A: Theriverhasalwaysbeenthenicestriverinthistown.B: Yes,itusedtobesoclean.A: ButIwastherelastweekendandtheriverwasreallydirty.B: Whatcausedtheproblem?A: Peoplearethrowinglitterintotheriver.B: Whatshouldwedo?A: Factoriesarealsoputtingwasteintotheriver.B: Y
9、es,everyoneinthistownshouldplayapart.A: Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.B: Whatelsecanwedo?A:Everyoneshouldhelptocleanuptheriver.V.Languagepoints1. We,retryingtosavetheearth!我们正在竭尽全力拯救地球！trytodo=tryonesbesttodo努力去做某事。e.g.Everystudentshouldtrytostudyhardinordertostudyina
10、university.为了进入大学学习，每个学生都应该努力学习。2. Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与有关e.g.Iamnotrelatedtohiminanyway.我和他无任何关系。3. Everyoneinthistownshouldplayapartincleaningitup!playapartin在方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的饮食在帮助人们长寿方面起着非常大的作用。playapart在中扮演角色
11、e.g.HewasinvitedloplayapartinthisTVplay.他被邀请参加这个电视剧的演出。4. Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可数名词。rubbish指“没用的东西（被扔或将要丢弃的无用的东西）“不可回收。Iitter指（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）“还可回收e.g.Throwtherubbishout.把垃圾扔出去。Theroomisfullofrubbish.
12、房间里堆满了垃圾。Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。VLListening1.2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noise pollutionD. waterpollutionKeys:BA2. 2bListenagainandcompletethesentences.1) Theairisbadlypollutedbecausethereareontheroadthese
13、days.2) Factoriesthatburncoalalsotheairwithalotofblacksmoke.3) Thereisalsotoomuchrubbishandwaste.Peoplethingseveryday.4) Peoplearealsolitteringinlikeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.3. Keys:morecarspollutearethrowingawaypublicplaces4. 1.istenandanswerthequestions.1) Whoistheintervi
14、ewertalkingto?2) Whataretheytalking?3) Whatotherproblemsdotheysee?Keys:SusanandJason.Theenvironmentalproblems.Therestoomuchrubbishandwasteinthestreets.VILPractice(2c)Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Jason:Theairhasbecomereallypollutedaroundhere.mgettingveryworri
15、ed.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat.VIILDiscussionAskstudentswhatWeshoulddotosavetheearth.Helpstudentsanswer,turnoffthelightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.IX. Reading1. Read2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionWOoden（木头的）chopsticksorplasticforksLiibbish2. Role-playtheconversation.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutd
