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12Unit1Ifeveryonestartstodosomething,theworldwillbesaved.Lookatthefollowingpictures.Whatpollutionisit?rubbishpollutionairpollutionwaterpollutionSeapollutionlightpollutionnoisepollutionWhatshouldwedotosavetheplanet?Turnoffthelightswhenyouleavetheroom.Turnofftheshowerwhileyouarewashingyourhair.Stopridingincars.Takeyourownbagswhenshopping.Stopusingpapernapkins.制造厂；工厂n.waste敌人；仇人n.crop庄稼；作物n.recycle回收利用；再使用(废品)v.pollute污染v./'enəmɪ//krɒp//'fæktrɪ/factory/pə'lu:t//ri:'saɪkl/废料，废弃物n./weist/enemykill杀死；弄死v./kɪl/oil石油n./ɒɪl/lesshopeless较小的；较少的adj.较少数；叫少量n.无望的adj./les//'həʊplɪs/factory制造厂；工厂pollutev.污染recycle回收利用；再使用(废品)pollutionn.污染Thewastecanbeused.废弃物也能够被使用。crop庄稼；作物waste废料，废弃物enemy敌人；仇人复数：enemiesDon’tmakeanenemyofhim.不要与他为敌。oil石油作“石油”讲时，是不可数名词。Thecountryisrichinoilandcoal.这个国家石油和煤很丰富。1.Workinpairs.Lookatthepicturesandtalkaboutthem.Usethewordsintheboxtohelpyou.factory,pollute,recycle,wasteAirhasbeenpollutedbecausefactoriesproduceelectricityandenergyforhumanbeingeveryday.Alargenumbersofmetalcansarethrownawayeverywhere.Wewasteagreatdealofmetal2.Listenandcompletethesentences.1.Thefactoryiscausingalotof___________.2.Thereshouldbesome________tostoppollution.3.Wecan_________wasteproducts,suchas__________andpaperinarecyclingcentre.pollutionrulesrecycleglass3.Listenandread.Lingling:Afterourlessonontheenvironment,I’mworriedaboutthefuture.Pollutionisourgreatenemy,andwehavetofightit.Iftheriversarepolluted,farmerscan’tusewaterfortheircrops.Tony:Andinsomeplaces,pollutionfromfactoriesspreadsovercitiesandvillages.Itmakespeopleill,andmayevenkillsthem.Pollutionisadangertoourhealth.Betty:Andthere’resomanycarsontheroad.beworriedabout担心if引导的条件状语从句，从句用一般现在时，主句用一般将来时或情态动词+动词原形。haveto不得不factory的复数factoriesspreadover遍布在...,复盖在...adangerto对…的危险，对…是一种威胁somany用来修饰可数名词，somuch则用来修饰不可数名词。Theyusesomuchoilandcausepollutionaswell.Daming:Butweareonlystudents.Wecan’tdoanythingaboutfactoriesandcars.Betty:It’snousetalkingaboutthingswecan’tdo.We’vegottothinkofthingswecando!Daming:Suchas…?Lingling:Doyouthinkwecanmakeourschoolagreenschool?Daming:What’sagreenschool?Lingling:Atagreenschool,everyclasscollectsaswell也It'snousedoingsth.做....事没有用wasteorrubbishwhichcanberecycledorusedagain.Thentheschoolsellsthewasteandusesthemoneytohelpstudentsinpoorareas.Daming:Niceidea!Betty:Studentsatagreenschoolalsolearnwaystosaveenergyandrecycleathome.Thatmeanslesswaste.Tony:That’sagoodidea.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.Ifeveryonestartstodosomething,theworldwillbesaved.inpoorareas在贫困地区学会节约能源的方法less较小的；较少的。是little的比较级,修饰不可数名词hopeless是hopeful的反义词，意为“无望的”。startstodosth.开始做某事waste在这里是做名词，意思是“废料；废弃物”Listenandanswerthequestions.1.WhyisLinglingworriedaboutthefuture?Becauseofpollution.2.Whothinksuptheideaofmakingagreenschool?Lingling.33.Whatarethethreeproblemsthatthefriendstalkaboutandtheonesolution?Thethreeproblemsarewaterpollution,airpollutionandmanycarsontheroads.Onesolutionistomaketheirschoolagreenschool.Nowcompletethenotes.Problems1.Iftheriversarepolluted,__________________________________________.2.Insomeplaces,pollutionfromfactories_________________________________.3.Thecarsontheroad_______________________________________________.usewaterfortheircropsfarmerscan’tspreadsovercitiesandvillagescausepollutionaswellusesomuchoilandWhatthestudentscando?4.Supportagreenschool:everyclass_______________________whichcanbe_______________________.Thentheschool_______________________________tohelpstudents__________________.5.Studentslearn_________________________________________.Thatmeans__________.collectswasteorrubbishrecycledorusedagaintheschoolsellsthewasteinpoorareaswaystosaveenergyandrecycleathomelesswaste4.Completethepassagewiththecorrectformofthewordsinthebox.cause,enemy,factory,kill,oil,pollute,spreadPollutionisourgreat(1)________.Pollutionfrom(2)____________isadangertoourhealth,andmayeven(3)____people.Factoriessometimes(4)________rivers,andfarmerscannotusethewaterfortheircrops.Pollution(5)________overcitiesandvillages,andthat(6)______evenmoredanger.Carsinthestreetusealotof(7)_____andcausepollutiontoo.enemyfactorieskillpollutespreadcausesoil1.Andinsomeplaces,pollutionfromfactoriesspreadsovercitiesandvillages.在一些地方，来自工厂的污染遍布城市和村庄。spreadsover遍布在...,复盖在...Whathestudiedspreadovermanyfields.他所研究的内容涉及许多领域。2.Pollutionisadangertoourhealth.污染有害我们的健康。adangerto…“对…是一种威胁；有伤害”，相当于bedangeroustoItisadangertoyourcomputer'shealth.=Itisdangeroustoyourcomputer'shealth.这对你电脑的健康是个威胁。3.Andthere’resomanycarsinthestreet.Theyusesomuchoil…街道上有很多车，他们使用很多石油…somany很多Youcan’tcrushsomanypeopleintotheclassroom.你不能让这么多人挤进教室。somuch很多辨析：somany与somuchsomany用来修饰可数名词，somuch用来修饰不可数名词。Therewassomuchnoiseoutsidethatwecouldn’theartheteacher.外面嘈杂声很大，以致我们不能听到老师的话。Hefeelsnervouswhenherfacessomanypeople.面对那么多人，他感到紧张。4.aswell也；又(1).相当于too或also,常位于句末，无须用逗号与句子隔开。拓展：5.Suchas…？例如……suchas表示举例，意为“例如，诸如此类的，像……那样的”，相当于like或forexample。Animalssuchasrabbitsanddeercontinuetobeactiveallwinter.像兔和鹿这样的动物整个冬天都很活跃。TherearefewpoetssuchasKeatsandShelly.像济慈和雪莱这样的诗人现在很少了。6.Thatmeanslesswaste.(1).less较小的，较少的；较少数，较小量1).less是littl