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1、Unit 8We are trying to save the earth.Language GoalTalk about pollution and environmental protectionTotalkaboutairpollution,waterpollutionandsoundpollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearnthenewwords:The earth is polluted.air pollutionThefactoriesthatburncoalpollutetheairwithalotof
2、blacksmoke.n.煤炭煤炭Factoriesputwasteintotheriver.water pollutionnoise pollutionTherearemorecarsontheroad.litterv.乱扔乱扔n.垃圾垃圾Rubbish，waste垃圾，废弃物垃圾，废弃物Peopleshouldthrowawaylitterinthebin.n.垃圾箱垃圾箱land pollution1aHere are some words related to different kinds of pollution.Write them in the box below.Then a
3、dd more words.noisepollution_carsairpollution_waterpollution_loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesHelpsavetheearthWemustthinkofbetterwaytotreatourplan
4、etinfuture.Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.STARTYoudrinkacanofcola.Whatdoyoudo?Ithrowawaycans.Irecyclecans.Youthrowawaythecans.ThatsbadfortheEarth.Yourecyclethecans.ThatsgoodfortheEarth.Therearealotofoldnewspapersatyourhome.Whatdoyoudo?Ithrowtheoldnewspapersaway.Irecycletheol
5、dnewspapers.Youthrowoldnewspapersaway.Youwastepaper.ThatsbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.ThatsgoodfortheEarth.Yougoshopping.Whatdoyoudo?Iusealotofnewplasticbags.Iusemyownbag.Youusealotofnewplasticbags.ThatsbadfortheEarth.Youuseyourownbag.ThatsgoodfortheEarth.Whenyouwriteonapieceo
6、fpaper,whatdoyoudo?Iwriteononesideonly.Iwriteonbothsides.Youusepaperononesideonly.ThatsbadfortheEarth.Youusepaperonbothsides.ThatsgoodfortheEarth.closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;use
7、paperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;rethink,reuse,recycle.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
8、 the problem?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanupMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedto
9、besoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cPoints on P571.try to do=try ones best to do 努力去做某事努力去做某事2.be related to 与与有关有关3.mobile phones 手机手机4.rubbish,lit
10、ter,waste 垃圾垃圾,废物废物5.the bottom of the river 河底河底6.be full of 充满充满7.fisherman-fishermen 渔民渔民8.government 政府政府9.throw litter into the river 把垃圾扔到河里把垃圾扔到河里10.ask sb.to do 要求某人干某事要求某人干某事11.close down the factories 关闭工厂关闭工厂12.clean up 打扫打扫13.used to be过去是过去是14.play a part in参与，在参与，在中扮演角色中扮演角色 Memory1.努力
11、去做某事努力去做某事2.与与有关有关3.手机手机4.垃圾垃圾,废物废物5.河底河底6.充满充满7.渔民渔民8.政府政府9.把垃圾扔到河里把垃圾扔到河里10.要求某人干某事要求某人干某事11.关闭工厂关闭工厂12.打扫打扫13.过去是过去是14.在在中起作用，在中起作用，在中扮演角色中扮演角色 2a Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlyp
12、ollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisturnsbeautifulparksintouglyplaces.morecarsmorecarspollutepollutearethrowingawayarethrowingawaypublicplac
13、espublicplaces2bListenagainandcompletethesentences.Points on P5815.be badly polluted 受到严重污染受到严重污染16.public places 公共场所公共场所17.turninto 把把变成变成18.cut down 减少减少19.take the bus or subway instead of driving 乘坐乘坐公交或地铁代替开车公交或地铁代替开车20.ride a bike 骑自行车骑自行车21.advantages of bike riding 骑自行车的好处骑自行车的好处 Points on
14、P5822.be good for our health 对我们的健康有好处对我们的健康有好处23.cost，spend，take,pay 花费花费24.wood-wooden25.takeaway food 外卖食物外卖食物26.throw rubbish in the bins 把垃圾扔进垃圾箱把垃圾扔进垃圾箱27.keep public places clean and beautiful 保持公共保持公共场所干净漂亮场所干净漂亮28.make a difference(to)(对对)产生影响或作用产生影响或作用29.lead to 导致，通向导致，通向 Jason:Theairhasb
15、ecomereallypollutedaroundhere.Imreallygettingworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat.Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.2cInterviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldta
16、kethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Otheradvantagesofbikeridingarethatitsgoodforhealthanditdoesntcostanything!2dRole-playtheconversation.Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:
17、Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthecansandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!Complete the chart.ProblemsSolvingproblemsairpo
18、llutionwastepollutionwooden(木头木头的的)chopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.1.Thisisturningbeautifulplacesintouglyones.2.turninto把把变成变成e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。渐渐地冻雨又
19、变成雪花的模样。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的过的过去式和过去分词均为去式和过去分词均为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。
20、，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，其这一句型中，其中中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，主语通多表示花费时间和金钱，主语通常是人常是人，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 onthen
21、ewmachine.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，常用于常用于sb.pay(s)somemoneyforsth.句句型。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，常用于常用于sth.cost(s)(sb.)somemoney.句句型。型。e.g.ThenewdresscostLinda88yuan.根据句意用根据句意用take,spen
22、d,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.spendpaid3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfu
23、ture!makeadifference(to)表示表示(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你认为他的话会对最后的决定产生影响吗？响吗？ThenewteacheralwaysencourageslittleTom.Thishasmadeabigdifferencetohim.新来的老师总是鼓励小汤姆，这对他影新来的老师总是鼓励小汤姆，这对他影响很大。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)
24、theearth.2.Thereusedto_(be)cleanandbeautiful.3.Therearetoomany_for_tocatch(fish).4.Itsbadforenvironmenttouse_(wood)chopsticks.tosavebefishwoodenfishermen用方框中所用方框中所给词给词的适当形式填空。的适当形式填空。1.Dontthrow_(垃圾垃圾)everywhere.2.Inwinter,manypeopleburn_(煤煤)tokeepwarm.3.Thepolicefoundabodyatthe_(底部底部)ofthelake.4.The_(花花费费)oflivinginbigcitiesisveryhigh.5.Hekeepsarabbitinabig_(木制的木制的)box.costwooden,coal,bottom,littercostwoodencoalbottomlitter