广西中峰乡育才中学九年级英语上册 Module 12 Unit 3 Language in use教学课件 （新版）外研版.ppt

module12saveourworld,unit3languageinuse,tosummarizeandconsolidatetherulesofwordbuilding,objective:,observe,observethefollowingsentencescarefully.theyareallfromthismodule.,1.reusemeans“useagain”.2.thoughpollutionisheavynow,idontthinkitshopeless.3.iftheriversarepolluted,farmerscantusethewaterfortheircrops.4.ifeveryonestartstodosomething,theworldwillbesaved.,5.weallneedahealthyenvironment,butweproducewasteeveryday,anditisharmfultoourenvironment.6.donotwastethings.7.repeatthesethreewordsdaily:reduce,reuseandrecycle.8.beforeyoubuysomethingnew,thinkwhetheritisreallynecessarybecausemaybeoldoneisjustasgood!9.butletstakethesesimplestepstodaysothatwewillsavetheworldforourgrandsonsandgranddaughterstomorrow.,1._(use)means“useagain”.2.though_(pollute)isheavynow,idontthinkits_(hope).3.iftheriversarepolluted,_(farm)cantusethewaterfortheircrops.4.if_(everyone)startstodo_(something),theworldwillbesaved.5.weallneeda_(health)environment,butweproduce_(waste)everyday,anditis_(harm)toourenvironment.,reuse,pollution,hopeless,farmers,everyone,something,healthy,waste,harmful,go,ready?,6.donot_(waste)things.7.repeatthesethreewordsdaily:reduce,_(use)and_(recycle).8.beforeyoubuy_(something)new,thinkwhetheritis_(real)necessarybecausemaybeoldoneisjustasgood!9.butletstakethesesimplestepstodaysothatwewillsavetheworldforour_(grandson)and_(granddaughter)tomorrow.,waste,reuse,recycle,something,really,grandsons,granddaughters,构词法,1.合成法,将两个或两个以上独立且语义不同的单词合在一起构成新词的方法称作合成法。,2.派生法,通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法称作派生法。,2.派生法,2.派生法,词根,词缀,名词,形容词,副词,+,interest,uninterested,interestingly,uninteresting,interested,interesting,help,helpfully,helplessly,helpful,helpless,able,disable,unable,enable,ability,3.转换法,英语构词法中把一种词性转化为另一种词性而词形不变的方法称为转化法。,(1)v.n.letstalkaboutitmore.ithinkwedbetterfinishthetalknow.咱们再谈谈这件事吧。我想我们最好现在结束谈话。,(2)n.v.shegavemeacupofwater.youshouldwatertheflowerstwiceaday.她给了我一杯水。你应该每天给这些花浇两次水。,(3)adj.n.shewaswearingablackdress.thegirlinblacklooksverybeautiful.她穿着一条黑色的裙子。那个穿黑衣服的女孩看上去很漂亮。,learningto,sometimesifyouknowthemeaningofthepartsofaword,youcanworkoutthemeaningofthewholeword.,re+new+ablerenewable,again,canbe,canbenewagain,1,p100,makenewwords.jointhepartsofthewordsinboxawiththewordsinboxb.youneedtousesomeofthepartsmorethanonce.,-able-fulim-lessre-un-,carecollecthopepossibleuseusualwantedwaste,a,b,carefulcareless,collectable,hopefulhopeless,impossible,reuseusableusefuluseless,unwanted,wasteful,unusual,nowworkingroups.playtheguessinggameenglishforfun.,englishforfun,1.fullofcare_2.canbecollected_3.fullofhope_4.withoutanyhope_5.notpossible_,6.notusual_7.withoutanyuse_8.useagain_9.notwanted_10.makingalotofwaste_,careful,collectable,hopeful,hopeless,impossible,unusual,useless,reuse,unwanted,wasteful,2,p100,completethesentenceswiththewordsinthebox.,hopefulimpossiblereuseunhealthywasteful,1.pollutedwateris_.2.itis_tothrowsomuchfoodaway.3.ifyoulookafterthingswell,youmay_someofthemlater.4.itis_tocleanupthewholeriverinsuchashorttime.5.ifwepayattentiontopollutionnow,thefuturewillbe_.,unhealthy,wasteful,reuse,impossible,hopeful,3,p101,completethetable.,use,use,usefully/uselessly,hope,hopeful/hopeless,pollute,polluted/unpolluted,water,waste,wasteful/wasted,wastefully,usual/unusual,4,p101,completethesentenceswiththecorrectformofthewordsinactivity3.,shewas_thathernewjobwouldmakehermoresuccessful.,hopeful,1.thefactory_theriver,andthefishdied.2.weoftenwalkinthecountryside.itisa(n)_activityforus.3.donotusesomuchwater.itisvery_.4.tokeeptheflowersgrowing,youneedto_themonceaday.,polluted,usual,wasteful,water,5,p101,completethesentences.,a_isaboxthatyoukeepyourlunchin.,lunchbox,1.a_isacardthatyouwriteononesideofandsendtosomeonebypost.2.a_isaroomwhereyouhaveclassesatschool.3.a_isabookthathasoneormorestoriesforchildren.4.a_isablackboardthatisusedatschoolforwritingonwithchalk.,postcard,classroom,storybook,blackboard,6,p101,workinpairs.lookatthepicturesandanswerthequestions.,1.whatkindofthingscanberecycled?2.howcanthesethingsbeused?3.howdoesthishelptheenvironment?,4.haveyoueverrecycledorusedthingsthatcanberecycled?how?,possibleanswers:,cloth,paper,cans,plastic,glass,etc.,recycledpapercanbeusedfornotebooks,ticketsorwritingpaper.,ithelpssavealotofresourcesandreducegreenhousegasemissions.,yes.irecycledaluminumcansandpaperbysellingthemtotherecycledfactory.,mike:ihearyouareofftothecaribbeanforaholiday!luckyyou!butarentyou(1)_thepollutionthatsuchlongplanejourneysmaycausefortheenvironment?ken:iknow,butwhatcanidoaboutit?ialreadytrymybesttoprotecttheenvironment.irecycle.idont(2)_thingsifidontwantthemanymore.i(3)_thelightswhenileavearoom.donttellmeishouldnttravelbyplaneanymore!,begoodforthrowawayturnoffworryabout,worriedabout,throwaway,turnoff,7,p102,completetheconversationwiththecorrectformoftheexpressionsinthebox.,mike:no,ofcoursenot.butwecandomoretoprotecttheenvironment.forexample,wecanhelpkeeptheaircleanbyplantingtrees.trees(4)_theenvironment.inthisway,wecanreducetheharmofpollution.ken:good!soicanenjoymyholiday,andwhenicomeback,illplantsometrees!mike:thatstheidea!maybewecanalljoininandstartasmallforest!,begoodforthrowawayturnoffworryabout,aregoodfor,1.itisoktothrowusedthingsaway.lookingafterthemtakesalotoftime.2.donotthrowawaythingsmadeofglass,plasticandpaper,butrecyclethemwhenpossible.3.takeabagwhenyougoshopping.4.producingelectricityandusingoilwillnotcausepollution.5.turnofflightswhenyoudonotneedthem.6.rideabikeorwalk,anddonotoftendriveyourcar.,8,p102,listenandcheck()thetruesentences.,glass,plasticandpaper,recycle,reuse,takeabag,arehardto,reducepollution,wasteelectricity,walkorcycle,pollution,9,p102,listenagainandcompletethetable.,review,英语中常见的构词法：1.合成法2.派生法（加前缀、后缀）3.转化法（词性变词形不变）,1.bothofthebookswere_toherandshecouldntdecidewhichonetobuy.2.how_ofjohntobreakthecup!3.themeathasastrangesmell.imafraiditshardly_.,i.从方框中选择适当的单词并用其正确形式填空。,quiz,helpful,careless,eatable,correctenergyeatpossibleappearhelpsuccesscare,correctenergyeatpossibleappearhelpsuccesscare,4.tomisan_boyanditseemsthathenevergetstired.5.imafraidthatits_forustogettherebeforeeight.6.thesun_behindthecloudsanditbegantorain.7.imsorrytosayyouransweris_.pleasetryagain.8