_unit13_we_are_trying_to_save_the_earth!Section_A_1a-3a课件.ppt

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1、Section A 1a-2dBecauseofpollution,ourskyisntblueanymore.Becauseofpollution,thewaterisntcleananymore.Because of pollution,more and morepeoplesufferordiefromcancer.Becauseofpollution,manyanimalswerekilled.Because of pollution,more and more animalsdonthaveplacestolivein.Therearemoreandmoredisasters（灾灾难

2、难）ontheearthbecauseofpollutionair pollutionThe factories thatburn coal pollutetheairwithalotofblacksmoke.Canyouthinkofthedifferentkindsofpollution?Factoriesputwasteintotheriver.water pollutionnoise pollutionTherearemorecarsontheroad.litterv.乱扔乱扔n.垃圾垃圾Rubbish，waste垃圾，垃圾，废废弃物弃物Peopleshouldthrowawaylit

3、terinthebin.n.垃圾箱垃圾箱land pollution1aWritethemintheboxbelow.Thenaddmorewords.noise pollutionair pollutionwater pollutionnoisepollution_airpollution_waterpollution_loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteri

4、ngshipsfactoriessmokingbuildinghousesmobilephones1bListenandcompletethesentences.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_intoth

5、eriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanupWhat should we do to save the earth?Youdrinkacanofcola.Whatdoyoudo?Ithrowawaycans.Irecyclecans.Whenyouwriteonapieceofpaper,whatdoyoudo?Iwriteononesi

6、deonly.Iwriteonbothsides.Youusepaperononesideonly.ThatsbadfortheEarth.Youusepaperonbothsides.ThatsgoodfortheEarth.stop using paper towels or napkins（餐巾，餐巾纸）（餐巾，餐巾纸）recycle books and paper回收利用回收利用2aListen to the interview.Circle thekinds of pollution that Jason andSusantalkabout.A.landpollutionB.airp

7、ollutionC.noisepollutionD.waterpollution2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.morecarspollute3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.

8、Thisisturningbeautifulplacesintouglyones.arethrowingawaypublicplacesturninto把把变变成成2dRead 2d and complete the chart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木头木头的的)chopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksatho

9、me.throwrubbishinthebins.Everyoneinthistownshouldplayapartincleaningitup!playapartin在在方面起作用方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的饮食在帮助人们长寿方面起着非常大健康的饮食在帮助人们长寿方面起着非常大的作用。的作用。playapart在在中扮演角色中扮演角色e.g.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。Eventhebottom

10、oftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和和rubbish都可指都可指“垃圾垃圾”，用作，用作不可数名词不可数名词。rubbish指指“没用的东西没用的东西(被扔或将要丢被扔或将要丢弃的无用的东西弃的无用的东西)”不可回收不可回收。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、不要的包装纸、废瓶等纸屑、不要的包装纸、废瓶等)”还可还可回收。回收。e.g.Throwtherubbishout.把垃圾扔出去。把垃圾扔出去。Theroomisfullofru

11、bbish.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。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？ta

12、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)so

13、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.)s

14、omemoney.句句型。型。e.g.ThenewdresscostLinda88yuan.+spend+on sth.(in)doing sth.+cost+It+takes+to do sth.+pay+for sth.+spendtakepaycostThere is a very famous TV show in China called“Where are we going，Dad?”Cindy is a pretty girl,It _her only one hour to buy the food with her friends.They _50 yuan on the f

15、ood.The tomatoes _her only 4 yuan,and she _one yuan for two eggs.In the end,the fathers _two hours cooking dinner.spentcost tookpaidspent用用take,spend,pay或或cost的适当形式填空。的适当形式填空。1.Thatnewcar_themlotsofmoney.2.Mona_50yuanonthebooksjustnow.3.Itusually_meanhourtodomyhomework.costspenttakes4.Youshould_some

16、timepractisingyourpronunciation.5.Mybrother_6,000yuanforthenewcomputeryesterday.spendpaid3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!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？Thene

17、wteacheralwaysencourageslittleTom.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)theearth.2.Thereusedto_(be)cleanandbeautiful.3.Therearetoomany_for_tocatch(fish).4.Itsbadforenvironmenttouse_(wood)chopsticks.tosavebefishwoodenfisherme

18、n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,littercostwoodencoalbottomlitterunexpected adj.出乎意料的，出乎意料的，始料不及的始料不及的