《If everyone starts to do something，the world will

外研版九年级英语上册Ifeveryonestartstodosomething，theworldwillbesaved•n.制造厂；工厂•factory•v.污染n.污染•pollutepollution•v.回收利用；再使用（废品）•recycle•n.废料；废弃物v.浪费•waste•n.敌人；仇人•enemy•n.庄稼；作物•crop•adj.无望的•hopelessWecanseethatrubbishisbeingburnt.Thesmokegoesintotheair.Itiscausingairpollution.Whatcanyousee?WarmingupWecanseeaverydirtyriver.Thereislotsofrubbish.Thefishhavebeendeadbecauseofthewaterpollution.Whatcanyousee?WarmingupWecanseesomewastepaper.Itcanberecycled,soitiswastefultothrowitaway.Whatcanyousee?WarmingupFromthethreepictures,welearnthattheenvironmentalproblemisserious.Itisourdutytoprotecttheenvironment.Andweshouldsaveenergy.Weshouldtrytoreuseeverythingthatisreusable.Orourworldwillbehopeless.Whatcanyoulearnfromthesepictures?Warmingup1.Workinpairs.Lookatthepicturesandtalkaboutthem.Usethewordsintheboxtohelpyou.factory,pollute,recycle,wasteAirhasbeenpollutedbecausefactoriesproduceelectricityandenergyforpeopleeveryday.Alotofwastepaperisthrownawayeverywhere.Wewasteplentyofpaper.Infactwecanrecycleit.2.Listenandcompletethesentences.(P96)1.Thefactoryiscausingalotof___________.2.Thereshouldbesome_____tostoppollution.3.Wecan_________wasteproducts,suchas__________andpaperinarecyclingcentre.pollutionrulesrecycleglass3.Listeningpart(P96)StepIListenforthefirsttimeandchoosetherightanswers(1)._____isourgreatenemy,andwehavetofightit.A.pollutionB.environmentC.factory(2).Pollutionfromfactoriesspreadsover______.A.housesB.citiesC.towns(3).Theyusesomuch_____andcausepollutionaswell.A.coalB.oilC.carsABB3.Listeningpart(P96)(4).Wecanmakeourschoola______school.A.blueB.yellowC.green(5).Thoughpollutionisheavynow,Idon’tthinkit’s________.A.hopelessB.carelessC.uselessAC3.Listeningpart(P96)StepIIListenforthesecondtimeandcompletethesentences.(1).Itmakespeopleill,andmayeven_____them.(2).Wecan’tdoanythingsabout_________andcars.(3).It’snouse_______aboutthingswecan’tdo.(4).Thentheschoolsellsthe_____andusesthemoneytohelpstudentsin_____areas.killfactoriestalkingwastepoor4.Readandcompletethenotes.I.ReadforthefirsttimeandcompletethesentencesProblems1.Iftheriversarepolluted,_____________2._____________________________.3.2.Insomeplaces,pollutionfromfactories_________________________________.4.3.Thecarsontheroad__________________5._____________________________.usewaterfortheircropsfarmerscan’tspreadsovercitiesandvillagescausepollutionaswellusesomuchoilandWhatthestudentscando?4.Supportagreenschool:everyclass_______________________whichcanbe_______________________.Thentheschool_______________________________tohelpstudents__________________.5.Studentslearn_________________________________________.Thatmeans__________.collectswasteorrubbishrecycledorusedagainsellsthewasteinpoorareaswaystosaveenergyandrecycleathomelesswaste4.Readandcompletethepassagewiththecorrectformofthewordsinthebox.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.enemyfactorieskillpollutespreadscausesoil•课堂导学•1.It’snousetalkingaboutthingswecan’tdo.•谈论我们不能做的事情是没有用的。•句型1：It’snousedoingsth.做某事是没有用的。•固定句式It’snousedoingsth.意为“做某事是没有用的”。其中it是形式主语，真正的主语是动名词短语。•Itisnousetellinghimnottoworry.•告诉他不要担心没有用。•Itisnousecryingoverspiltmilk.•覆水难收•即学即练一•单项选择•Itisnousebacktoone’slostyouth.•A.lookB.lookedC.lookingD.tolook•解析：句意为“回顾流逝的青春是没有用的”，It’snousedoingsth.意为“做某事是没有用的”。故选C。•2.Suchas…?比如……？•短语1：suchas例如，比如•suchas，意为“例如，比如”。用来列举同类人或物中的几个例子，as后面不可以有逗号。•Thefarmgrowsdifferentkindsofcrops,suchaswheat,corn,cottonandrice.•这个农场种植不同种类的庄稼，例如小麦、玉米、棉花和水稻。•3.Thatmeanslesswaste.•这意味着更少的浪费。•单词1：less较小的;较少的•less作形容词，意为“较小的;较少的”。less是little的比较级，可用来修饰不可数名词。•Hespentlesstimedoingtheexperiments.•他做实验花的时间较少•拓展：less也可修饰形容词或副词，意为“较不……；更不……”。•Itislesscoldthanitwasyesterday.•今天的天气不如昨天那么冷。•辨析：fewer与less的区别•词条原级词义用法例句•fewer（few）更少的修饰可数名词复数•Therewillbefewertreesinthefuture.•将来的树木会更少•less（little）更少的；更小的修饰不可数名词•Shehaslessmoneythanme.•她的钱比我的少•即学即练•单项选择•Toliveagreenlift,weshouldtrytosaveenergyandproducepollution.•A.more;lessB.less;more•C.more;fewerD.most;least•解析：more是much和many的比较级，意为“更多的”，可用来修饰可数名词复数和不可数名词；less是little的比较级，意为“较小的;较少的”，可用来修饰不可数名词。根据句意“为了过绿色的生活，我们应该节省更多的能源，制造更少的污染”可知选A。•4.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.•尽管现在污染很严重但我认为它不是没有希望。•单词2：hopeless无望的•hopeless作形容词，由“hope+后缀-less”构成，意为“无望的”。•It’stryingtoconvinceher.•想说服她简直是徒劳。hopeless•归纳：常见的加后缀-less构成的形容词•-less是形容词后缀，可加在一些名词之后，表示“无……，没有……”。•careless•useless•fearless•homeless粗心的无用的无畏的无家可归的•即学即练•根据句意及英语提示完成单词•Hefailedhisjobinterviewagain,andhefeltreally(withnohope)aboutthefuture.hopeless一.根据句意及首字母提示完成单词。1.Don’tw_____water.Pleaseturnoffthetapsafteryouwashyourhand.2.Igetajobinaf_________.3.It’smoreandmoreimportantforeveryonetosavee__________now.4.Airp_______isquiteharmfultoourhealth.5.Thestudentsfromagreenschoolarehelpingcollectwastepaperandbottlesforr_______.asteactorylectricityollutionec