外研版九年级上册英语M12U.ppt

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1、PollutionPollutionisourgreatenemy,andwehavetofightit.Letswatchavideoaboutpollution.Work in pairs.Look at the pictures and talk about them.Use the words in the box to help you.factorypolluterecyclewasteListen and complete the sentences.1.Thefactoryiscausingalotof2._.3.2.Thereshouldbesome_tostop4.thep

2、ollution.5.3.Wecan_wasteproducts,such6.as_andpaperinarecycling7.centre.pollutionrulesrecycleglassfactoryn.制造厂制造厂;工厂工厂pollutev.污染污染recyclev.回收利用回收利用,再使再使用用(废品废品)wasten.废料废料;废弃物废弃物enemyn.敌人敌人;仇人仇人cropn.庄稼庄稼;作物作物killv.杀死杀死;弄死弄死oiln.石油石油Read the dialogue and complete the notes.Pollutionproblems1.Iftheri

3、versarepolluted,_2._.3.2.Insomeplaces,pollutionfromfactories_.farmerscantusethemtowatertheircropsspreadsovercitiesandvillages3.Thecarsontheroads_.usesomuchoilandcausepollutionWhatthestudentscando4.Supportagreenschool:everyclass_whichcanbe_.Thentheschool_tohelpstudents_.5.Studentslearn_.Thatmeans_.co

4、llectswasterecycledorusedagainsellsthewasteinpoorareaswaystosaveenergyandrecycleathomelesswasteIts no use Such as?Nice idea!1.Wecanrecyclewasteproducts,suchas2.glassandpaperinarecyclingcentre.3.我们可以回收再利用废品，比如回收中心我们可以回收再利用废品，比如回收中心的玻璃和废纸。的玻璃和废纸。4.waste在本句中作形容词，意为在本句中作形容词，意为“废弃的废弃的”。5.e.g.Thecarwasfou

5、ndonapieceofwaste6.ground.(翻译翻译)7.那辆车是在一块荒地上找到的。那辆车是在一块荒地上找到的。waste还可作名词，意为还可作名词，意为“浪费，废弃物浪费，废弃物”，常用于常用于awasteoftime/money/effort等结构。等结构。e.g.Theresalotofwasteinfrontofthedoor.Inhisopinion,holidaysareawasteoftimeandmoney.(翻译翻译)门前有很多垃圾。门前有很多垃圾。他认为度假浪费时间和金钱他认为度假浪费时间和金钱.waste还可作动词，意为还可作动词，意为“浪费浪费”。e.g.I

6、tsnotrighttowastewaterandelectricity.浪费水电是不对的。浪费水电是不对的。根据汉语意思完成英语句子。根据汉语意思完成英语句子。1)每天大量的纸被浪费了。每天大量的纸被浪费了。Everydayalotofpaper_.2)这些废弃物是哪儿来的？这些废弃物是哪儿来的？Where_the_from?iswastediswaste2.Iftheriversarepolluted,farmerscantusethewaterfortheircrops.如果河流受到污染，农民就不能用河水去浇如果河流受到污染，农民就不能用河水去浇灌庄稼。灌庄稼。pollutev.污染污染

7、pollutionn.污染污染e.g.Thefactory_theairandthewaternearby.工厂污染了附近的空气和水源。工厂污染了附近的空气和水源。Thegovernmentaskedtoreducethe_.政府要求减少空气的污染。政府要求减少空气的污染。pollutedairpollution3.Itsnousetalkingaboutthingswecantdo.谈论我们不能做到的事是没有意义的。谈论我们不能做到的事是没有意义的。Itsnousedoingsth.做某事没有用处做某事没有用处e.g.抱怨没有用处。抱怨没有用处。Its_.和比尔争论没有用，他是不会改变想法的

8、。和比尔争论没有用，他是不会改变想法的。_Billbecausehewillneverchangehismind.nousecomplainingItisnousearguingwith4.Suchas.?比如说比如说？suchas这个短语常用来表示举例说明。这个短语常用来表示举例说明。e.g.Therearelotsofthingsyoucoulddo.Suchas?(翻译翻译)有很多你们能做的事。有很多你们能做的事。比如说比如说？5.Thatmeanslesswaste.这意味着减少浪费。这意味着减少浪费。lessadj.较小的较小的;较少的较少的n.较少数较少数;较少量较少量less是是

9、little的比较级的比较级,用来修饰不可数名词。用来修饰不可数名词。指物体的体积或分量相对于别的物体少。指物体的体积或分量相对于别的物体少。e.g.Thefirmhas_moneyand_staffthanlastyear.公司的资金和人员都比去年少了。公司的资金和人员都比去年少了。lessfewer6.Thoughpollutionisheavynow,Idontthinkitshopeless.尽管现在污染很严重，我认为还是有希望尽管现在污染很严重，我认为还是有希望的。的。hopelessadj.无望的无望的hope(希望希望)+-lesshopelesse.g.Thedoctorsai

10、dtheoldmansconditionwashopeless.(翻译翻译)医生说这位老人的病是没有希望了。医生说这位老人的病是没有希望了。Listen and mark the words which the speaker links.1.Afterourlessonontheenvironment,2.Imworriedaboutthefuture.3.2.Studentsatagreenschoolalsolearnwaystosaveenergyandrecycleathome.Now listen again and repeat.List the pollution proble

11、ms in your place.Choose one problem and say what should be done about it.Theairpollutioninourcityisgettingworse.Whatcanwedotostopit?Ithinkwecanrideourbicyclestoschoolmore.根据句意选择恰当的单词填空。根据句意选择恰当的单词填空。kill,hopeless,waste,factory,less 1.Thesituationseemed_,buttheyfinishedthetaskintheend.2.Iffewerpeople

12、drivecars,therewillbe_airpollution.3.Afterheputawayallthe_,theroomgotverytidy.hopelesslesswastekill,hopeless,waste,factory,less 4.Themanwassadbecausesomeone_hispetdog.5.Theyoungmanfoundajobinacar_lastmonth.killedfactory.完成句子，使两句意思相同或相近。完成句子，使两句意思相同或相近。1.Lilywalkstoschooleveryday.Lucyalsowalkstoschoo

13、l.Lilywalkstoschooleveryday.Lucywalkstoschool_.2.Thewomanalwaysworriesaboutherchildren.Thewomanisalways_herchildren.aswellworriedabout3.Itsnotusefultotellhimaboutit.Its_tellinghimaboutit.4.Hehasmanyhobbies,likeswimminganddancing.Hehasmanyhobbies,_swimminganddancing.nousesuchasWrite a passage about how to control pollution and how save our earth.