初中英语九年级《Unit 13We’re trying to save the earth 》Section A1课件.pptx

The earth is polluted.air pollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.n.煤炭Factoriesputwasteintotheriver.water pollutionmobile phone pollutionlitterv.乱扔n.垃圾rubbishwaste垃圾，废弃物Peopleshouldthrowawaylitterinthebin.n.垃圾箱noise pollutionTherearemorecarsontheroad.1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.noisepollution_airpollution_waterpollution_loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1bListen and complete the sentences.What was the problem?Theriverwas_.Eventhebottom(底部)oftheriverwasfullof_.Therewerenomore_forfishermen(渔民)tocatch.reallydirtyrubbishfishWhat caused the problem?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanupListen again and check () the sentences you hear.1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theriverhasalwaysbeenthenicestriverinthistown.4.Weshouldasktheteachersforhelp.1cTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!Make conversations using the pollution in 1a.Theriverhasalwaysbeenthenicestriverinthistown.Yes,itusedtobesoclean.Whatcausedtheproblem?ButIwastherelastweekendandtheriverwasreallydirty.Factoriesarealsoputtingwasteintotheriver.Peoplearethrowinglitterintotheriver.Whatshouldwedo?Yes,everyoneinthistownshouldplayapart.Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.Whatelsecanwedo?Everyoneshouldhelptocleanuptheriver.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e.g.HewasinvitedtoplayapartinthisTVplay.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 2aListen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution2bListen again and complete the sentences.1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.morecarspollute3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.arethrowingawaypublicplaces1.Whoistheinterviewertalkingto?2.Whataretheytalkingabout?3.Whatotherproblemsdotheysee?SusanandJason.Theenvironmentalproblems.Therestoomuchrubbishandwasteinthestreets.Role-play conversations between Jason and Susan.2cTheairhasbecomereallypollutedaroundhere.Imgettingveryworried.Yes,Iusedtobeabletoseestarsinthesky.TheproblemisthatWhat should we do to save the earth?Turn off the lights when you leave a room.关掉stop riding in carsstop using paper towels or napkins（餐巾，餐巾纸）recycle books and paper回收利用2dRead 2d and complete the chart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木头的)chopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.Jason and Susan, what are your ideas for solving these problems?Yeah,orrideabike.Thereareotheradvantages(优点)ofbikeriding.Itsgoodforhealthanditdoesntcost(花费)anything!Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Great ideas! What about waste pollution?Me,too.Also,Inevertakewoodenchopsticksorplastic(塑料)forkswhenIbuytakeaway(外卖食品)food.Iusetheonesathome.Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.So together, our actions can make a difference and lead to a better future!1. Thisisturningbeautifulplacesintouglyones.turninto把变成e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。

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coste.g.ThenewshirtcostMrWang200yuan.王先生花了200元买了新衬衫Howmuchdoesthenewcomputercost?新电脑花了多少钱？take, spend, 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.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 onthen。