2015年人教版九年级英语第13单元课件一.ppt
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1、Unit13Weretryingtosavetheearth!Section A 1a-1c(第1课时)noisepollutionairpollutionwaterpollution1a.Writethewordsrelatedtodifferentkindsofpollutionintheboxbelow.(Pairworkorgroupwork)loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones_loudmusiccars rubbishplaneslitteringship
2、sfactoriessmokingbuildinghousesmobilephones1b.Listenandcompletethesentences What was the problem?The river was _.Even the bottom of the river was full of _.There were no more _ for fishermen to catch.What caused the problem?People are throwing _into the river.Factories are putting _ into the river.H
3、ow should the problem be solved?We should write to the _ and ask them to _ the factories.Everyone should helpto _ the river.really dirtyrubbishfishlitterwastegovernmentclose downclean upPoints on P971.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,litte
4、r,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 Weonlyhaveon
5、eearth,weshouldprotectit!1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitterin_likeparks.Thisisturningbeautifulplacesintouglyplaces.2a Listentotheinterview.the
6、kindsofpollution thatJasonandSusantalkabout.A.wastepollutionB.airpollutionC.noisepollutionD.waterpollutionCircle2b.Listenagainandcompletethesentences.litteringmorecarspollutearethrowingaway1.Readtheconversationquickly,findouttheanswertothequestion.Whatkindsofpollutionarementionedinthisconversation?2
7、d.Airpollutionandwastepollution.2.Readtheconversationagainandcompletetheblanks.Pollution WaystosolvetheproblemAirpollutionWastepollution Takethebusorsubwayinsteadofdriving;rideabike.bringabagtogoshopping;onlyusewoodenchopsticksorplasticforksathome;Throwrubbishinthebins1.Thisisturningbeautifulplacesi
8、ntouglyones.2.turninto把把变成变成e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。渐渐地冻雨又变成雪花的模样。Languagepoints2.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的的过去式和过去分词均为过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。Howmuchdoesthe
9、newcomputercost?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.这一句型这一句型中,其中中,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,主语多表示花费时间和金钱,主语通常是人通常是人,常用于,常用于sb.spend(s
10、)sometime/moneyonsth.和和sb.spend(s)sometime/money(in)doingsth.两种两种句型。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
11、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,spend,pay或或cost的适的适当当形式填空。形式填空。1.Thatnewcar_themlotsofmoney.2.Mona_50yuanonthebooksjustnow.3.Itusually_meanhourtodomyhomework.cost?spent?takes4.Youshould_?sometimepractisingyourpronunciation.5.Mybrother_
12、?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你认为他的话会对最后的决定产生影影响吗?响吗?ThenewteacheralwaysencourageslittleTom.Thishasma
13、deabigdifferencetohim.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.tosavebefishwoodenfishermen用方框中所给词的适当形式填空。用方框中所给词的适当形式填空。1.Dontthrow_
14、(垃圾垃圾)everywhere.2.Inwinter,manypeopleburn_(煤煤)tokeepwarm.3.Thepolicefoundabodyatthe_(底部底部)ofthelake.4.The_(花费花费)oflivinginbigcitiesisveryhigh.5.Hekeepsarabbitinabig_(木制的木制的)box.costwooden,coal,bottom,littercostwoodencoalbottomlitter根据句意用根据句意用take,spend,pay或或cost的适的适当当形式填空。形式填空。1.Thatnewcar_themlots
15、ofmoney.2.Mona_50yuanonthebooksjustnow.3.Itusually_meanhourtodomyhomework.costspenttakes4.Youshould_sometimepractisingyourpronunciation.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.
16、g.Doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?你认为他的话会对最后的决定产生你认为他的话会对最后的决定产生影影响吗?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。Memory1.努力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
17、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 Points on P9815.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
18、自行车的好处 Points on 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
19、 1.被被污污染染2.烧烧煤煤3.太多太多4.扔掉扔掉5.把把.变变成成.6.附近附近7.能能够够8.解决解决问题问题9.减少空气减少空气污污染染10.乘公共汽乘公共汽车车或地或地铁铁11.代替、而不是代替、而不是.1.bepolluted2.burncoal3.toomuch4.throwaway5.turn.into.6.aroundhere7.beableto8.solvea/theproblem9.cutdownairpollution10.takethebusorsubway11.insteadof1.骑骑自行自行车车2.骑骑自行自行车车有有别别的好的好处处。3.对对.有益有益4.垃
20、圾垃圾污污染染5.去去购购物物6.开始做某事开始做某事7.记记得要把垃圾扔得要把垃圾扔进进垃圾桶垃圾桶8.保持公共保持公共场场所的整所的整洁洁和美和美丽丽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.makeadifferencetos
21、b.10.leadtoabetterfuture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.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,manypeoplebu
22、rn_(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,littercostwoodencoalbottomlitter1.Wearetryingtosavetheearth.我们正在努力拯救地球。我们正在努力拯救地球。【解析】try doing sth 尝试做某事(不一定付出很大努力)try to do sth 尽力做某事(强调付
23、出一定的努力设 法完成)想一想?尽某人最大的努力做某事 try_2.Butitusedtobesoclean.但它过去是如此干净。但它过去是如此干净。【解析】used to 的意思是 _,其中to是不定式符号,不是 介词,所以其后要接_。be used to 的意思是_,其中to是介词,其后要接 _【合作探究合作探究】onesbesttodosth.习惯干某事过去常常做某事动词原形doing2.He_gooutwithhisparents,butnowhe_stayingathomealone.A.usedto;isusedtoB.isusedto;usedtoC.useto;isusedto
24、D.isusedto;isusedtoHowmuchisthetickettoCentralPark?Aone-wayticket_$40,andyoucan_another$20foraround-trip.A.costs,payB.cost,spendC.pay,spendD.spends,pay【合作探究合作探究】3.Itsgoodforhealthanditdoesntcostanything!它对身体有好处并且它对身体有好处并且不会花费任何东西。不会花费任何东西。cost vt.1.花费;价格为;【拓展】take/spend/cost/pay的用法都可以表示“花费”,但用法却不尽相同
25、。spend的主语必须是_,常用于 _ cost的主语是物或某种活动,还可以表示“值”,用于 _ (注意:cost的过去式及过去分词都是cost,并且不能用于被动句。)take后面常跟双宾语,常见于_ pay的基本用法是:_人人Sb.spendtime/moneyonsth.Sb.spendtime/moneydoingsth.costsb.money.Ittakessb.sometimetodosth.paymoneyforsth.4.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.为了减少空气污染,我们应当乘
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