《九年级下册英语第13单元Section A-1.pptx》由会员分享，可在线阅读，更多相关《九年级下册英语第13单元Section A-1.pptx（51页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、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.It used to be so clean.3.People are throwing litter into the river.第1页/共51页ReadandlearnWords and expressions
2、第2页/共51页新课导入第3页/共51页The earth is polluted.第4页/共51页air pollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.n.煤炭第5页/共51页Factoriesputwasteintotheriver.water pollution第6页/共51页mobile phone pollution第7页/共51页litterv.乱扔乱扔n.垃圾垃圾rubbishwaste垃圾，废弃物垃圾，废弃物Peopleshouldthrowawaylitterinthebin.n.垃圾箱第
3、8页/共51页noise pollutionTherearemorecarsontheroad.第9页/共51页课文展现第10页/共51页1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.第11页/共51页noisepollution_airpollution_waterpollution_loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitterin
4、grubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones第12页/共51页1bListen and complete the sentences.What was the problem?Theriverwas_.Eventhebottom(底部底部)oftheriverwasfullof_.Therewerenomore_forfishermen(渔民渔民)tocatch.reallydirtyrubbishfis
5、h第13页/共51页What caused the problem?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanup第14页/共51页1cTheriverwasdirty.Eventhebottomoftheriverwasful
6、lofrubbish.Butitusedtobesoclean!第15页/共51页Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!第16页/共51页Make conversations using the pollution in 1a.Theriverhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.第17页/共51页Whatcausedtheproblem?ButIwastherelast
7、weekendandtheriverwasreallydirty.第18页/共51页Factoriesarealsoputtingwasteintotheriver.Peoplearethrowinglitterintotheriver.Whatshouldwedo?Yes,everyoneinthistownshouldplayapart.第19页/共51页Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.Whatelsecanwedo?Everyoneshouldhelptocleanuptheriver.第20页/
8、共51页第21页/共51页1.Weretryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryonesbesttodo努力去做某事。e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.为了进入大学学习，每个学生都应该努力学习。第22页/共51页2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与有关e.g.Iamnotrelatedtohiminanyway.我和他无任何关系。第23页/共51页3.Every
9、oneinthistownshouldplayapartincleaningitup!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。play a part 在中扮演角色 e.g.He was invited to play a part in this TV play.他被邀请参加这个电视剧的演出。第24页/共51页4.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitt
10、erintotheriver.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。第25页/共51页litter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.房间里堆满了垃圾。Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。第26页/共51页2aListen to the interview.Circle the kinds of pollution t
11、hat Jason and Susan talk about.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution第27页/共51页2bListen again and complete the sentences.1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.morecarspollute第28页/共51页3.Thereisalsotoomuch
12、rubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintougly(丑陋丑陋)ones.arethrowingawaypublicplaces第29页/共51页Role-play conversations between Jason and Susan.2cTheairhasbecomereallypollutedaroundhere.Imgettingveryworried.Yes,Iusedtobeabletoseestarsinth
13、esky.Theproblemisthat第30页/共51页What should we do to save the earth?第31页/共51页Turn off the lights when you leave a room.关掉第32页/共51页stop riding in cars第33页/共51页stop using paper towels or napkins（餐巾，餐巾纸）（餐巾，餐巾纸）第34页/共51页recycle books and paper回收利用回收利用第35页/共51页2dRead 2d and complete the chart.ProblemsSolv
14、ingproblemsairpollutionwastepollutionwooden(木头的木头的)chopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.第36页/共51页Jason and Susan,what are your ideas for solving these problems?第37页/共51页第38页/共51页1.Thisisturn
15、ingbeautifulplacesintouglyones.turninto把把变成变成e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。第39页/共51页2.Itsgoodforhealthanditdoesntcostanything!costv.花费；使付出指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了200元买了新衬衫。Howmuchdoesthenewcomputercost?新电脑花了多少钱？第40页/共51页take,spend
16、,pay&costtake，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。1)take多表示花费时间，常用于Ittakessb.sometimetodosth.这一句型中，其中it作形式主语。e.g.Itusuallytakesme40minutestocookthedinner.第41页/共51页2)spend多表示花费时间和金钱，主语通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.两种句型。e.g.Davidspent2,000yuan onthenewmac
17、hine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.第42页/共51页3)pay多表示花费金钱，主语通常是人，常用于sb.pay(s)somemoneyforsth.句型。e.g.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花费金钱，主语通常是物，常用于sth.cost(s)(sb.)somemoney.句型。e.g.ThenewdresscostLinda88yuan.第43页/共51页根据句意用take,spend,pay或cost的适当形式填空。1.Thatnewcar_t
18、hemlotsofmoney.2.Mona_50yuanonthebooksjustnow.3.Itusually_meanhourtodomyhomework.costspenttakes第44页/共51页4.Youshould_sometimepractisingyourpronunciation.5.Mybrother_6,000yuanforthenewcomputeryesterday.spendpaid第45页/共51页3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to
19、)示(对)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？The new teacher always encourages little Tom.This has made a big difference to him.新来的老师总是鼓励小汤姆，这对他影响很大。第46页/共51页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.Thereusedto_(be)cleanandbeautiful.3.There
20、aretoomany_for_tocatch(fish).4.Itsbadforenvironmenttouse_(wood)chopsticks.tosavebefishwoodenfishermen第47页/共51页口头作业 (Oral work)熟读课文Unit 13 Section A 2d 书面作业(Writing work)学练优 Unit 13 Section A 第一课时第48页/共51页The earth is badly polluted.Please make a poster and think of what we can do.第49页/共51页第50页/共51页感谢您的观看。第51页/共51页