外研版九年級上冊英語M12U3

Module12SaveourworldUnit3LanguageinuseReusemeans“_________”.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.LanguagepracticeuseagainMakenewwords.JointhepartsofwordsinBoxAwiththewordsinBoxB.Youneedtousesomeofthepartsmorethanonce.

A–able-fulim--lessre-un-Bcarecollecthopepossibleuse usualwantedwastecollectable,usable,careful,hopeful,useful,wasteful,impossible,careless,hopeless,useless,reuse,unusual,unwanted

Nowworkingroups.PlaytheguessinggameEnglishforFun.EnglishforFunfullofcare____________2.canbecollected____________3.fullofhope____________4.withoutanyhope____________5.notpossible____________carefulcollectablehopefulhopelessimpossible6.notusual____________7.withoutanyuse____________8.useagain____________9.notwanted____________10.makingalotofwaste____________

unusualuselessreuseunwantedwastefulSometimesifyouknowthemeaningofthepartsofaword,youcanworkoutthemeaningofthewholeword.re+new+able;re=again,able=canberenewable=canbenewagainLearningtolearn1.合成法將兩個或兩個以上獨立且語義不同的單詞合在一起構(gòu)成新詞的方法叫做合成法。合成法是一種比較靈活的構(gòu)詞方法，可以合成名詞、形容詞、副詞、代詞、動詞等。例如：afternoon,sportsman,blackboard,sportsperson,newspaper,構(gòu)詞法

airplane,classmate,grandfather等就是通過合成構(gòu)詞法構(gòu)成的名詞；kind-hearted,middle-aged,hard-working等為合成形容詞；however,maybe,himself,everyone,nothing,overlook等也都是通過合成法構(gòu)成的單詞。2.派生法通過在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個新詞的方法叫作派生法。要通過派生法理解和記憶單詞,我們需要掌握常見的前綴和后綴及派生規(guī)律。(1)常見前綴前綴含義例詞dis-不disagree,dislikeen-使……處于某種狀態(tài)enable,enrichim-,in-不impossible,impatient,inexpensiveinter-在……之間,相互international,interconnect前綴含義例詞mis-錯誤地mislead,misunderstandnon-不,非non-smoker,non-nativere-再,重復(fù)rewrite,retellun-不unable,unhappy,unpopular(2)常見后綴后綴功能例詞-er,-or構(gòu)成名詞teacher,worker,visitor-ianmusician-ingbuilding,painting,shopping,meaning-istartist,scientist后綴功能例詞-ment構(gòu)成名詞agreement,government-nesscoldness,happiness,illness-thtruth,warmth-tioncompetition,education,information,invitation-tyactivity,safety后綴功能例詞-able,-ible構(gòu)成形容詞comfortable,eatable,enjoyable,possible,-alenvironmental,international,national,traditional-fulcareful,helpful,useful-iveactive,expensive-lesscareless,helpless,homeless,useless后綴功能例詞-ly構(gòu)成形容詞friendly,lovely,monthly,weekly-ousdangerous,famous-teen構(gòu)成數(shù)詞eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth,seventh-tyforty,sixty,twenty-ly構(gòu)成副詞badly,carefully,carelessly,happily,quickly(3)派生規(guī)律由一個詞根加上相應(yīng)的詞綴可以派生出名詞、形容詞、副詞等，掌握派生規(guī)律對擴(kuò)充詞匯有很大幫助。例如：由interest可以派生出：

uninterestinginterest—interesting—interestinglyinterested—uninterested由help可以派生出：

helpless—helplesslyhelp—helpful—helpfully由able可以派生出：

enableableunableabilitydisable3.轉(zhuǎn)化法英語構(gòu)詞法中把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法稱作轉(zhuǎn)化法。常見的轉(zhuǎn)化有：(1)動詞轉(zhuǎn)化為名詞

—Let’stalkaboutitmore.

咱們再談?wù)勥@件事吧。

—Ithinkwe’dbetterfinishthetalk

now.我想我們最好現(xiàn)在結(jié)束談話。(2)名詞轉(zhuǎn)化為動詞

Shegavemeacupofwater.

她給了我一杯水。

Youshouldwatertheflowerstwiceaday.

你應(yīng)該每天給這些花澆兩次水。(3)形容詞轉(zhuǎn)化為名詞

Shewaswearingablackdress.

她穿著一條黑色的裙子。

Thegirlinblacklooksverybeautiful.

那個穿黑衣服的女孩看上去很漂亮。Completethesentenceswiththewordsinthebox.hopefulimpossiblereuseunhealthywasteful

Pollutedwateris__________.2.Itis_________tothrowsomuchfoodaway.unhealthywasteful3.Ifyoulookafterthingswell,youmay______someofthemlater.4.Itis___________tocleanupthewholeriverinsuchashorttime.5.Ifwepayattentiontopollutionnow,thefuturewillbe_________.reuseimpossiblehopefulCompletethetable.NounVerbAdjectiveAdverbuseful/uselesshopehopefully/hopelesslypollution——water————waste————usually/unusuallyuseuseusefully/uselesslyhopehopeful/hopelesspollutepolluted/unpollutedwaterwastewasteful/wastedwastefullyusual/unusualCompletethesentenceswiththecorrectformofthewordsinActivity3.Shewas

hopeful

thathernewjobwouldmakehermoresuccessful.Thefactory_________theriver,andthefishdied.2.Weoftenwalkinthecountryside.Itisa(n)______activityforus.pollutedusual3.Donotusesomuchwater.Itisvery_________.4.Tokeeptheflowersgrowing,youneedto______themonceaday.wastefulwaterCompletethesentences.

A

lunchbox

isaboxthatyoukeepyourlunchin.A__________isacardthatyouwriteononesideofandsendtosomeonebypost.2.A__________isaroomwhereyouhaveclassesatschool.postcardclassroom3.A___________isabookthathas oneormorestoriesforchildren.4.A____________isablackboard thatisusedatschoolforwritingon withchalk.storybookblackboardLookatthepicturesandanswerthequestions.WorkinpairsWhatkindsofthingscanberecycled?2.Howcanthesethingsbereused?3.Howdoesthishelptheenvironment?4.Haveyoueverrecycledorusedthingsthatcanberecycled?How?Completetheconversationwiththecorrectformoftheexpressionsinthebox.begoodforthrowawayturnoffworryaboutMike:IhearyouareofftotheCaribbeanforaholiday!Luckyyou!Butaren’tyou(1)______________thepollutionthatsuchlongplanejourneymaycausefortheenvironment?Ken:Iknow,butwhatcanIdoaboutit?I’vealreadytriedmybesttoprotecttheenvironment.worriedaboutIrecycle.Idon’t(2)____________thingsifIdon’twantthemanymore.I(3)_________thelightswhenIleavearoom.Don’ttellmeIshouldn’ttravelbyplaneanymore!throwawayturnoffMike:No,ofcoursenot.Butwecandomoretoprotecttheenvironment.Forexample,wecanhelpkeeptheaircleanbyplantingtrees.Trees(4)___________theenvironment.Inthisway,wecanreducetheharmofpollution.aregoodforKen:Good!SoIcanenjoymyholiday,andwhenIcomeback,I’llplantsometrees!Mike:That’stheidea!Maybewecanalljoininandstartasmallforest!Listenandcheck(√)thetruesentences.1.ItisOKtothrowusedthingsaway.Lookingafterthemtakesalotoftime.2.Donotthrowawaythingsmadeofglass,plasticandpaper,butrecyclethemwhenpossible.3.Takeabagwhenyougoshopping.Listening√√4.Producingelectricityandusingoilwillnotcausepollution.5.Turnofflightswhenyoudonotneedthem.6.Rideabikeorwalk,anddonotoftendriveyourcar.√√Listenagainandcompletethetable.AdviceReasons1.Don’tthrowawaythingsmadeof_______________________,but_______them.Throwingthingsawayiswasteful.2._______yourplasticbagswhenyoucanand__________withyouwhenyougoshopping.Plasticbags__________recycle.glass,plasticandpaperrecycleReusetakeabagarehardtoAdviceReasons3.Uselesselectricityandoilto_______________.4.Don’tleavelightsonand_______________.5.____________anddonotoftendriveyourcar.Producingelectricityandusingoilmaycause_________.reducepollutionwasteelectricityWalkorcyclepollutionAroundtheworldEarthHourReadthepassageandanswerthequestions.WhenisEarthHourheldeachyear?EarthHourisheldtowardtheendofMarcheachyear.WhydopeopleswitchoffthelightsduringEarthHour?Theydothistoshowtheirawarenessofclimatechange.WhenandwherewasthefirstEarthHourheld?ThefirstEarthHourwasheldin2007inSydney.Whichcitytakepartintheeventtoday?Moreandmorecitiesaretakingpartintheevent,suchasBeijing,London,RomeandNewYork.ModuletaskWorkingroups.Decidewhatkindofpollutionyouwanttotalkabout.DiscussingwhatyoucandoaboutpollutionChooseasubjectthatyoucare