人教版英语Unit13We'retryingtosavetheearth全单元课件.pptx

Unit 13We are trying to save the earth.air pollutionwater pollutionnoise pollutionland pollution1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.noisepollution_carsairpollution_waterpollution_loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesHelpsavetheearthWemustthinkofbetterwaytotreatourplanetinfuture.No littering!Start with little things!Youusealotofnewplasticbags.ThatsbadfortheEarth.Youuseyourownbag.ThatsgoodfortheEarth.Yougoshopping.Whatdoyoudo?Youusepaperononesideonly.ThatsbadfortheEarth.Youusepaperonbothsides.ThatsgoodfortheEarth.Whenyouwriteonapieceofpaper,whatdoyoudo?closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;1bListen 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?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanupMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cMark:Theskyisso_.Wecanhardlyseetheblueshythesedays.Tony:Butitusedtobeso_!Mark:Yes,buttherearesomany_ontheroad.Andfactoriespollutetheairwithalotof_smoke.Tony:Everyoneinthistownshouldplayapartinmakingitclear!Finishtheconversationandrole-playit.1cMark:Theneighborhoodisso_.Icantsleepwellorworkwell.Tony:Butitusedtobeso_!Mark:Yes,buttherearesomany_housesandcars.Mostpeopleoftenusemobilephones.Tony:Everyoneinthistownshouldplayapartincuttingdownnoisepollution!Finishanotherconversationandrole-playit.1cPoints on P971.try to do=try ones best to do 努力去做某事努力去做某事2.mobile phones 手机手机3.rubbish,litter,waste 垃圾垃圾,废物废物4.the bottom of the river 河底河底5.be full of 充满充满6.fisherman-fishermen 渔民渔民7.government 政府政府8.throw litter into the river 把垃圾扔到河里把垃圾扔到河里9.ask sb.to do 要求某人干某事要求某人干某事10.close down the factories 关闭工厂关闭工厂11.clean up 打扫打扫12.used to be过去常常过去常常13.play a part in参与，在参与，在中扮演角色中扮演角色 Review1.努力去做某事努力去做某事2.手机手机3.垃圾垃圾,废物废物4.河底河底5.充满充满6.渔民渔民7.政府政府8.把垃圾扔到河里把垃圾扔到河里9.要求某人干某事要求某人干某事10.关闭工厂关闭工厂11.打扫打扫12.过去常常过去常常13.在在中起作用，在中起作用，在中扮演角色中扮演角色 try to do mobile phones litter;rubbish;waste the bottom of the riverbe full of fishermangovernment throw rubbish into the river ask sb.to do sth.close down the factories clean up used to be play a part in 2a Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisturnsbeautifulparksintouglyplaces.morecarsmorecarspollutepollutearethrowingawayarethrowingawaypublicplacespublicplaces2bListenagainandcompletethesentences.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.Itsgoodforhealthanditdoesntcostanything!2dRole-playtheconversation.Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!Complete the chart.ProblemsSolvingproblemsairpollutionwastepollutiontakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.1.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的过去式和的过去式和过去分词均为过去分词均为cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了王先生花了200元买了新衬衫。元买了新衬衫。Howmuchdoesthenewcomputercost?新电脑花了多少钱？新电脑花了多少钱？take,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.这一这一句型中，其中句型中，其中it作形式主语作形式主语。e.g.Itusuallytakesme40minutestocookthedinner.2)spend多表示花费时间和金钱，主语常是人多表示花费时间和金钱，主语常是人，常用于常用于sb.spend(s)sometime/moneyonsth.和和sb.spend(s)sometime/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.)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_sometimepractisingyourpronunciation.5.Mybrother_6,000yuanforthenewcomputeryesterday.spendpaidSection A 3a4c1.骑自行车骑自行车2.骑自行车有别的好处。骑自行车有别的好处。3.对对.有益有益4.垃圾污染垃圾污染5.去购物去购物6.开始做某事开始做某事7.记得要把垃圾扔进垃圾桶记得要把垃圾扔进垃圾桶8.保持公共场所的整洁和美丽保持公共场所的整洁和美丽9.对对.有影响、有作用有影响、有作用10.通向美好未来通向美好未来1.ridethebike2.Thereareotheradvantagesofbikeriding.3.begoodfor4.wastepollution5.goshopping6.startdoing7.remembertothrowrubbishinthebins8.keeppublicplacescleanandbeatiful9.makeadifferencetosb.10.leadtoabetterfutureLook through the article again quickly and find out:Where is the article probably from?()A.A book.B.A magazine.C.A newspaper.CFastReading Read paragraph1 and write T for true and F for false.1.Sharksfin（鱼鳍）（鱼鳍）soupisfamousandexpensiveallaroundtheworld.()2.Wehavetokillawholesharktogetabowlofsharksfinsoup.()F T CarefulReading Read paragraph 2.What does the writer think of cutting fins of sharks?Its not only cruel but also harmful to the environment.CarefulReadingRead paragraph3.What are the two environmental groups against “finning”?WildAid and the WWF.How do they help to save sharks?They are teaching the public about finning.And they have even asked governments to develop laws to stop the sale of shark fins.CarefulReadingCarefulReadingso although if but when1.Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2.Sharks are at the top of the food chain,_ if their numbers drop,the oceans ecosystem will be in danger.3.Many think that sharks are too strong to be endangered,_ they are wrong.4._ there are no scientific studies to support this,a lot of people believe that shark fins are good for health.5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.whensobutAlthoughifWhyaresharksindanger?Why should we save sharks?How do WildAid and WWF saveSharks?And what should we do?Retell定义：表示说话时(瞬间)正在进行的动作,也表示目前或现阶段正在进行的动作。结构:be(am/is/are)+v.-ing标志词：Look,Listen,now,right nowe.g.Look!The boy is crying.2.usedtodoused to do sth.表示过去常常做某事,而现在往往不做了,后接动词原形。e.g.I used to get up at six oclock.be used to doing sth.表示习惯于做某事Joe is used to drinking a cup of coffee every morning.1.现在进行时现在进行时:Present Progressive3.被动语态：被动语态：Passivevoice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。结构：be+过去分词e.g.Our classroom is cleaned every day.4.现在完成时现在完成时:PresentPerfect定义：表示动作已经完成,但对现在造成影响;或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。结构:has/have+过去分词标志词：already,yet,ever,never,since,fore.g.I havent finished my homework yet.3.被动语态：被动语态：Passivevoice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。结构：be+过去分词e.g.Our classroom is cleaned every day.4.现在完成时现在完成时:PresentPerfect定义：表示动作已经完成,但对现在造成影响;或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。结构:has/have+过去分词标志词：already,yet,ever,never,since,fore.g.I havent finished my homework yet.1.情态动词本身有一定的词义,表示说话人的情绪、态度或语气,但不能单独作谓语,只能与其他动词构成谓语。常见的有:can(could),may(might),must,need,shall(should),will(would)等。2.情态动词无人称和数的变化,后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式,可用来表达更加客气、委婉的语气。e.g.Ken can climb up the tress like a koala.You mustnt play with fire.It is dangerous.情态动词情态动词4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_ you ever _(take)part in an environmental project?Eric:Yes,I have.I _(help)with a Clean-Up Day last year.It was _(consider)the biggest clean-up project this city _ ever _(have).Havetakenhelpedconsideredhadhad参加参加Joe:Howmanypeople_(take)part?Eric:I_(think)morethan1,000people_(come)tohelpout.Joe:Thatsfantastic!Iguesseveryoneinthiscityis_(try)toimprovetheenvironment.Eric:Yes,wecantaffordto_(wait)anylongertotakeaction!tookthinkcametryingwaitv.承担得起(后果);买得起 afford to do sth.We cant afford to buy another house.4bFill in the blanks with the appropriatemodal verbs from the box.People_thinkthatbigthings_bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you_savemay/mightmustcancanwouldcouldhavetoshouldmustmay/mightelectricitybyturningoffthelightswhenyouleavearoom.You_alsousereusablebagsinsteadofplasticbags.Ithinkitsagreatideathatyounow_payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you_rideyourbikeorwalk.Ifitsfar,you_takethebus.Allthese couldhavetocan/shouldcan/could关掉关掉adj.可重复使用的可重复使用的付费付费;付出代价付出代价small things _ add up and become big things that _ improve the environment.Lets take action now!couldwould/can采取行动采取行动What are they?What are they like?manateecheetah polar bear What should we do?!How to save our planet?Whichisthemostdifficult?stopriddingincarsrecyclebooksandpapersturnoffthelightswhenyouleavearoomturnofftheshowerswhileyouarewashingyourhairdontusepapertowelsornapkinsWhatcanwedotohelpsavetheearth?Ranktheseitemsfromtheeasiesttothemostdifficult._*stopridingincars._*recyclebooksandpaper._*turnoffthelightswhenyouleavetheroom._*turnofftheshowerwhileyouarewashingyourhair._*dontusepapernapkins1a Things Julia and Jack talk aboutThings Julia is doing nowThings Julia will do in the futureThings Julia would never do_ turning off the light_turning off the shower_ stopping using paper napkins_ taking your own bags when shopping._ not riding in cars_ riding a bike_ recycling paper1c/dPairwork1eA:Wereallyshouldntusepapernapkins,youknow.B:Iknow.Istoppedusingthemlastyear.How do you usually deal with bottles and cans?Readthepassageandcompletethechartbelow.重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,RecycleHowmanypeoplearementionedinthepassage?Whoarethey?Three.TheyareAmyHayes,JessicaWongandWangTao.FastReadingDoyouoftenthrowawaythingsyoudontneedanymore？Haveyoueverthoughtabouthowthesethingscanactuallybeputtogooduse？Nothingisawasteifyouhaveacreativemind.你经常扔掉你不再需要的东西吗？你是否曾经你经常扔掉你不再需要的东西吗？你是否曾经想过这些东西能很好地重新利用？如果你有一想过这些东西能很好地重新利用？如果你有一个充满创新的头脑，没有东西是废品。个充满创新的头脑，没有东西是废品。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recyclethrowaway扔掉扔掉thinkabout思考思考beputtogooduse被被好好利用好好利用YouhaveprobablyneverheardofAmyHayes，butsheisamostunusualwoman.ShelivesinahouseintheUKthatshebuiltherselfoutofrubbish.你可能从来没有听说过艾米你可能从来没有听说过艾米.海斯，但她是一个海斯，但她是一个非常不寻常的女性。她住在英国，房子是她自非常不寻常的女性。她住在英国，房子是她自己用废弃物建造而成。己用废弃物建造而成。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recyclehearof听说听说most=veryquite很很buildoutof用用建造建造Thewindowsanddoorscomefromoldbuildingsaroundhertownthatwerepulleddown.Thetopofthehouseisanoldboatturnedupsidedown.窗户和房门来自于一个小镇周围拆毁的房子。窗户和房门来自于一个小镇周围拆毁的房子。房子的顶部是一条翻转过来的旧木船。房子的顶部是一条翻转过来的旧木船。Rethink,Reuse,Recycle 重新思考重新思考,重新使用重新使用,重新利用重新利用comefrom来自来自pulldown拆下拆下upsidedown倒转倒转先行词先行词引导词引导词定语从句定语从句过去分词作定语过去分词作定语Andthegateinfrontofherhouseismadeofrocksandoldglassbottles.Amyrecentlywonaprizefromthe Help Save Our Planet Society.Thepresidentsaid.”Amyisaninspirationtousall.”房子前的大门是用岩石和旧玻璃瓶搭建的。艾房子前的大门是用岩石和旧玻璃瓶搭建的。艾米最近获得了米最近获得了“救助我们的星球救助我们的星球”协会颁发的协会颁发的奖项。协会主席说奖项。协会主席说:“艾米给我们所有人一个启艾米给我们所有人一个启示示”重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recycleismadeof由由制成的制成的winaprize获奖获奖Amyisnttheonlyonewhoisgoodatrecycling.JessicaWongfromHongKongusesoldclothesthatpeopledontwearanymoretomakebags.艾米不是唯一一个擅于废物利用的人。来自香艾米不是唯一一个擅于废物利用的人。来自香港的杰西卡港的杰西卡.王常利用人们不再穿的旧衣服来制王常利用人们不再穿的旧衣服来制作背包。作背包。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recyclebegoodat擅长擅长.use.todo.用用.做做.定语从句定语从句先行词先行词定语从句定语从句Shehasbeendoingthisforafewyearsnow.Sheopenedasmallshopwhereshesellsherbags，andshehasalsosetupawebsitetosellthemonline.Sheespeciallylikestouseoldjeanstomakehandbags.她已经这么做了好多年。她开了一间小店来出售她制作她已经这么做了好多年。她开了一间小店来出售她制作的包，还在网上出售它们。他特别喜欢用旧牛仔裤来制的包，还在网上出售它们。他特别喜欢用旧牛仔裤来制作手提包。作手提包。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recycleopen=setup=start创办创办,开办开办use.todo.用用.做做.Herbagsarecuteanduseful.“Iplantowriteabookaboutnewwaystouseoldclothes,”shesaid.“Ihopepeoplecanreadmybookenjoyit!”她制作的包既可爱又实用。她制作的包既可爱又实用。“我计划写一本关我计划写一本关于用新的方法来改造旧衣服的书，于用新的方法来改造旧衣服的书，”她说她说“我我希望人们能阅读我的书并且喜欢它。希望人们能阅读我的书并且喜欢它。”重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recycleplantodo计划做计划做WangTaosetupasmallbusinessinShanghaifouryearsago.Heisknownforusingironandothermaterialsfromoldcarstomakebeautifulartpieces.四年前，王涛开始在上海经营小生意。他因为四年前，王涛开始在上海经营小生意。他因为用旧车的钢铁和其他材料制作艺术品而闻名。用旧车的钢铁和其他材料制作艺术品而闻名。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recycleopen=setup=start创办创办,开办开办isknownfor以以.而出名而出名use.todo.用用.做做.Somearelargepiecesthatlooklikeanimalsorhumans,andsomearesmallerpiecesyoucanputathome.Themorepopularworkscanevenbeseeninartshopsaroundthecity.有一些（艺术品）很庞大，看起来像动物有一些（艺术品）很庞大，看起来像动物或者人，有一些小块的可以摆放在家里。或者人，有一些小块的可以摆放在家里。你甚至能在这个城市的艺术商店里看到一你甚至能在这个城市的艺术商店里看到一些更受欢迎的作品。些更受欢迎的作品。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,RecycleWangTaohopestosetupa“metalart”themeparktoshowpeopletheimportanceofenvironmentalprotection.王涛希望能建立一个王涛希望能建立一个“金属艺术金属艺术”主题公园，主题公园，向人们展示环境保护的重要性。向人们展示环境保护的重要性。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recycleopen=setup=start创办创办,开办开办hopetodo希望做希望做.themepark主题公园主题公园环境保护的重要性环境保护的重要性Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencoldhardironcanbebroughtbacktolifewithalittlecreativity.艺术不但可以给人们带来快乐，而且也说明只艺术不但可以给人们带来快乐，而且也说明只需要一点创造力，即便是冰冷、坚硬的铁也可需要一点创造力，即便是冰冷、坚硬的铁也可以产生活力。以产生活力。重新思考重新思考,重新使用重新使用,重新利用重新利用Rethink,Reuse,Recyclenotonly.butalso.不但不但.而且而且bringbacktolife恢复恢复带来生机带来生机1.DidAmywinanaward?Whatwasitfrom?Read the whole article and answer questions.Yes,shedid.ItwasfromtheHelpSaveOurPlanetSociety.2.WheredoesJessicaWongsellherbags?Andhatwillshewriteinherbook?Hershopandwebsite.Newwaystouseoldclothes.3.WhatdoesWangTaohopetosetup?Why?A“metalart”themepark.Becausehewantstoshowpeopletheimportanceofenvironmentalprotection.build2c1.AmyHayeslivesintheUK.Manyoftheoldbuildingsinherneighborhoodwere_.2.AlltherubbishandoldthingsinAmysneighborhoodwerethen_whenAmybuiltherhouse.3.Amyisverycreative.She_herfrontgate_rocksandoldglassbottles.Sheputanoldboatontopofherhouse.4.JessicaWongsellsherbagsinasmallshop,butshehasalso_anonlinebusinesstosellthem.5.ThoughJessicasbagsaremakefromoldclothes,herbagsare_beingcuteanduseful.pulleddownbuiltoutofputtogoodusesetupknownfor