人教新目标九年级下册英语 Unit 13 Section A (1a-2d) 课件.ppt

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1、学练优九年级英语下学练优九年级英语下（RJRJ）教学课件教学课件Section A(1a-2d)Unit13Weretryingtosavetheearth!学习目标学习目标 Key words&phrases:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,make a difference Key sentences:1.The river was dirty.Even the bottom of the river was full of rubbish.2.But it used to be so clea

2、n!3.Yes,but people are throwing litter into the river.ReadandlearnWords and expressionsLead inThe earth is polluted.air pollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.water pollutionFactoriesputwasteintotheriver.litterv.乱扔乱扔 n.垃圾垃圾rubbishwaste垃圾垃圾废弃物废弃物mobile phone pollutionnoise

3、 pollutionTherearemorecarsontheroad.Presentation1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollution_airpollution_waterpollution_loudmusicplanesmo

4、bilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghouses1bListen and complete the sentences.What was the problem?Theriverwas_.Eventhebottom(底部底部)oftheriverwasfullof_.Therewerenomore_forfishermen(渔民渔民)tocatch.reallydirtyrubbishfishWhat caused the problem?Peoplearethrow

5、ing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanup1cTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Role-play the conversatio

6、n.Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!Make conversations about the kinds of pollution in 1a.Language points1.Weretryingtosavetheearth!我们正在竭尽全力拯救地球我们正在竭尽全力拯救地球!trytodosth.=tryonesbesttodosth.努力去做某事。努力去做某事。e.g.Everystudentshouldtrytostudyhardinord

7、ertostudyinagooduniversity.为了进入一所好大学学习，每个学生为了进入一所好大学学习，每个学生都应该努力学习。都应该努力学习。2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与与有关有关e.g.Iamnotrelatedtohiminanyway.我和他无任何关系。我和他无任何关系。3.Everyoneinthistownshouldplayapartincleaningitup!playapartin在在方面起作用方面起作用;在在中中扮演角色扮演角色e.g.Agooddietplaysal

8、argepartinhelpingpeoplelivelonger.健康的饮食在帮助人们长寿方面起着健康的饮食在帮助人们长寿方面起着非常大的作用。非常大的作用。HewasinvitedtoplayapartinthisTVplay.他被邀请参加这个电视剧的演出。他被邀请参加这个电视剧的演出。4.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和和rubbish都可指都可指“垃圾垃圾”，用作不可，用作不可数名词。数名词。rubbish指指“没用的东西没用的东西(被扔或

9、将要丢弃的被扔或将要丢弃的无用的东西无用的东西)”且不可回收。且不可回收。litter指指“(室内或公共场所室内或公共场所)乱扔的废物乱扔的废物(纸屑、纸屑、不要的包装纸、废瓶等不要的包装纸、废瓶等)”还可回收。还可回收。e.g.Throwtherubbishout.把垃圾扔出去。把垃圾扔出去。Theroomisfullofrubbish.房间里堆满了垃圾。房间里堆满了垃圾。Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。野餐后将废弃物收拾好。2aListen to the interview.Circle the kinds of pollution that

10、 Jason and Susan talk about.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution2bListen again and complete the sentences.1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.morecarspollute3.Thereisalsotoomuchrubbishandwaste.Peopl

11、e_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintougly(丑陋的丑陋的)ones.arethrowingawaypublicplacesUse the information in 2a and 2b to role-play conversations between Jason and Susan.2cTheairhasbecomereallypollutedaroundhere.Imgettingveryworried.Yes,Iusedtobeabletosees

12、tarsinthesky.TheproblemisthatWhat should we do to save the earth?1.Turn off the lights when we leave a room.关掉关掉2.stop riding in cars3.stop using paper towels or napkins（餐巾，（餐巾，餐巾纸）餐巾纸）4.recycle books and paper回收利用回收利用5.2dRead 2d and complete the chart.ProblemsSolvingproblemsairpollutionwastepolluti

13、onrubbishtakethebus,subwayorrideabikeinsteadofdrivingbringabagtogoshopping,nevertakewoodenchopsticksorplasticforksbutusetheonesathomewhilebuyingtakewayfoodthrowrubbishinthebinsJason and Susan,what are your ideas for solving these problems?Language points1.Thisisturningbeautifulplacesintouglyones.tur

14、ninto把把变成变成e.g.Theicyrainseemedtoturnintosnow.冻雨似乎要变成雪花了。冻雨似乎要变成雪花了。2.Itsgoodforhealthanditdoesntcostanything!costv.花费；使付出花费；使付出指花费金钱，主语通常是物。指花费金钱，主语通常是物。cost的过去式的过去式和过去分词均为和过去分词均为cost。e.g.ThenewshirtcostMr.Wang200yuan.王先生花了王先生花了200元买了新衬衫。元买了新衬衫。Howmuchdoesthenewcomputercost?这台新电脑花了多少钱？这台新电脑花了多少钱？ta

15、ke,spend,pay&costtake，spend，pay和和cost都可以表示都可以表示“花花费费”，但它们的用法各有不同。，但它们的用法各有不同。1)take多表示花费时间多表示花费时间，常用于，常用于Ittakessb.sometimetodosth.这一句型中，其中这一句型中，其中it作形作形式主语式主语。e.g.Itusuallytakesme40minutestocookthedinner.2)spend多表示花费时间和金钱，主语通常是多表示花费时间和金钱，主语通常是人人，常用于，常用于sb.spend(s)sometime/moneyonsth.和和sb.spend(s)so

16、metime/money(in)doingsth.两种句型。两种句型。e.g.Davidspent2,000yuan onthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.3)pay多表示花费金钱，主语通常是人多表示花费金钱，主语通常是人，常用，常用于于sb.pay(s)somemoneyforsth.句型。句型。e.g.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花费金钱，主语通常是物多表示花费金钱，主语通常是物，常用，常用于于sth.cost(s)(sb.

17、)somemoney句型。句型。e.g.ThenewdresscostLinda88yuan.根据句意用根据句意用take,spend,pay或或cost的适当的适当形式填空。形式填空。1.Thatnewcar_themlotsofmoney.2.Mona_50yuanonthebooksjustnow.3.Itusually_meanhourtodomyhomework.costspenttakes4.Youshould_sometimepracticingyourpronunciation.5.Mybrother_6,000yuanforthenewcomputeryesterday.sp

18、endpaid3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to)(对对)产生影响或作用产生影响或作用e.g.Doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?你认为他的话会对最后的决定产生影响吗？你认为他的话会对最后的决定产生影响吗？ThenewteacheralwaysencourageslittleTom.Thishas madea big differenceto him.新来的老师总是鼓励小汤姆。这对他影响很大。新来的老师总是鼓励小汤姆。这对他影响很大。用动词的适当形式填空。用动词的适当形式填空。1.Weretrying_(save)theearth.2.Therearetoomany_for_tocatch(fish).3.Itsbadfortheenvironmenttouse_(wood)chopsticks.tosavefishwoodenfishermen口头作业口头作业 (Oral work)熟读课文Unit 13 Section A(2d)书面作业书面作业(Writing work)学练优 Unit 13 Section A 第一课时