初中英语九年级上册Module 12 《Unit 3 Language in use》课件

Unit3

LanguageinuseModule12SaveourworldTosummarizeandconsolidatetherulesofwordbuildingObjective:ObserveObservethefollowingsentencescarefully.Theyareallfromthismodule.1.Reusemeans“useagain”.2.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.3.Iftheriversarepolluted,farmerscan’tusethewaterfortheircrops.4.Ifeveryonestartstodosomething,theworldwillbesaved.1._______(use)means“useagain”.2.Though________(pollute)isheavynow,Idon’tthinkit’s________(hope).3.Iftheriversarepolluted,________(farm)can’tusethewaterfortheircrops.4.If_______(everyone)startstodo_________(something),theworldwillbesaved.5.Weallneeda_______(health)environment,butweproduce_______(waste)everyday,anditis_______(harm)toourenvironment.Reusepollutionhopelessfarmerseveryonesomethinghealthywasteharmfulgo

Ready?6.Donot______(waste)things.7.Repeatthesethreewordsdaily:reduce,_______(use)and_______(recycle).8.Beforeyoubuy_________(something)new,thinkwhetheritis_______(real)necessarybecausemaybeoldoneisjustasgood!9.…butlet’stakethesesimplestepstodaysothatwewillsavetheworldforour_________(grandson)and_________(granddaughter)tomorrow.wastereuserecyclesomethingreallygrandsonsgranddaughters构词法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。前缀含义例词

dis-不

disagree,dislike

en-使……处在某种状态

enable,enrich

im-,in-不

impossible,impatient,inexpensive

inter-在……之间

international,interconnect

mis-错误的

mislead,misunderstand

non-不，非

non-smoker,non-native

re-再，重复

rewrite,retell

un-不

unable,unhappy,unpopular2.派生法后缀含义例词

-er,-or构成名词

teacher,worker,visitor-ian

musician-ing

building,painting,shopping-ist

artist,scientist-ment

agreement,government-ness

coldness,happiness,illness-th

truth,warmth-tioncompetition,education,information

-ty

activity,safety后缀含义例词

-able,-ible构成形容词

comfortable,eatable,enjoyable-al

environmental,international-ful

careful,helpful-ive

active,expensive-less

careless,helpless,homeless-ly

friendly,lovely,monthly-ous

dangerous,famous-teen构成数词eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth-ty

forty,sixty,twenty

-ly构成副词

badly,carefully,happily2.派生法词根词缀名词形容词副词+…

interestuninterestedinterestinglyuninterestinginterestedinteresting3.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.—Let’stalkaboutitmore.—Ithinkwe’dbetterfinishthetalknow.—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。以下部分为课本练习，供老师在对答案时选择使用。LearningtoSometimesifyouknowthemeaningofthepartsofaword,youcanworkoutthemeaningofthewholeword.

re+new+ablerenewableagain

canbe

canbenewagainNowworkingroups.PlaytheguessinggameEnglishforFun.EnglishforFun1.fullofcare_________2.canbecollected__________3.fullofhope_________4.withoutanyhope_____5.notpossible_________6.notusual__________7.withoutanyuse_____8.useagain__________9.notwanted_________10.makingalotofwaste___________carefulcollectablehopefulhopelessimpossibleunusualuselessreuseunwantedwasteful2P100Completethesentenceswiththewordsinthebox.

hopefulimpossiblereuseunhealthywasteful1.Pollutedwateris_________.2.Itis_________tothrowsomuchfoodaway.3.Ifyoulookafterthingswell,youmay_______someofthemlater.4.Itis_________tocleanupthewholeriverinsuchashorttime.5.Ifwepayattentiontopollutionnow,thefuturewillbe_________.unhealthywastefulreuseimpossiblehopeful3P101Completethetable.NounVerbAdjectiveAdverb

useful/uselesshope

hopefully/hopelessly

pollution——

water

————

waste

—————

usually/unusuallyuseuseusefully/uselesslyhope

hopeful/hopelesspollutepolluted/unpollutedwaterwaste

wasteful/wasted

wastefully

usual/unusual5P101Completethesentences.A________isaboxthatyoukeepyourlunchin.

lunchbox1.A__________isacardthatyouwriteononesideofandsendtosomeonebypost.2.A__________isaroomwhereyouhaveclassesatschool.3.A__________isabookthathasoneormorestoriesforchildren.4.A__________isablackboardthatisusedatschoolforwritingonwithchalk.postcardclassroomstorybookblackboard6P101Workinpairs.Lookatthepicturesandanswerthequestions.1.Whatkindofthingscanberecycled?2.Howcanthesethingsbeused?3.Howdoesthishelptheenvironment?4.Haveyoueverrecycledorusedthingsthatcanberecycled?How?

possibleanswers:Cloth,paper,cans,plastic,glass,etc.Recycledpapercanbeusedfornotebooks,ticketsorwritingpaper.Ithelpssavealotofresourcesandreducegreenhousegasemissions.Yes.Irecycledaluminum

cansandpaperbysellingthemtotherecycledfactory.Mike:IhearyouareofftotheCaribbeanforaholiday!Luckyyou!Butaren’tyou(1)_____________thepollutionthatsuchlongplanejourneysmaycausefortheenvironment?

Ken:Iknow,butwhatcanIdoaboutit?Ialreadytrymybesttoprotecttheenvironment.Irecycle.Idon’t(2)___________thingsifIdon’twantthemanymore.I(3)__________thelightswhenIleavearoom.Don’ttellmeIshouldn’ttravelbyplaneanymore!

begoodforthrowawayturnoffworryabout

worriedabout

throwaway

turnoff7P102Completetheconversationwiththecorrectformoftheexpressionsinthebox.1.ItisOKtothrowusedthingsaway.Lookingafterthemtakesalotoftime.2.Donotthrowawaythingsmadeofglass,plasticandpaper,butrecyclethemwhenpossible.3.Takeabagwhenyougoshopping.4.Producingelectricityandusingoilwillnotcausepollution.5.Turnofflightswhenyoudonotneedthem.6.Rideabikeorwalk,anddonotoftendriveyourcar.8P102Listenandcheck(√)thetruesentences.√√√√××AdviceReasons1.Don’tthrowawaythingsmadeof____________________,but___________them.Throwingthingsawayiswasteful.2._____________yourplasticbagswhenyoucanand____________withyouwhenyougoshopping.Plasticbags____________recycle.3.Uselesselectricityandoilto____________.4.Don’tleavelightsonand____________.5._____________anddonotoftendriveyourcar.Producingelectricityandusingoilmaycause_______________.

glass,plasticandpaper

recycle

Reuse

takeabag

arehardto

reducepollution

wasteelectricityWalkorcycle

pollution9P102Listenagainandcompletethetable.correctenergyeatpossibleappearhelpsuccesscare4.Tomisan_________boyanditseemsthathenevergetstired.5.I’mafraidthatit’s__________forustogettherebeforeeight.6.Thesun___________behindthecloudsanditbegantorain.7.I’msorrytosayyouransweris__________.Pleasetryagain.8.It’snoteasytobecomea_