外研版九年級上冊英語M12U3

Module12Saveourworld2021/6/271Unit3Languageinuse2021/6/272Reusemeans“_________”.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.Languagepracticeuseagain2021/6/273Makenewwords.JointhepartsofwordsinBoxAwiththewordsinBoxB.Youneedtousesomeofthepartsmorethanonce.

A–able-fulim--lessre-un-Bcarecollecthopepossibleuse usualwantedwastecollectable,usable,careful,hopeful,useful,wasteful,impossible,careless,hopeless,useless,reuse,unusual,unwanted2021/6/274

Nowworkingroups.PlaytheguessinggameEnglishforFun.EnglishforFunfullofcare____________2.canbecollected____________3.fullofhope____________4.withoutanyhope____________5.notpossible____________carefulcollectablehopefulhopelessimpossible2021/6/2756.notusual____________7.withoutanyuse____________8.useagain____________9.notwanted____________10.makingalotofwaste____________

unusualuselessreuseunwantedwasteful2021/6/276Sometimesifyouknowthemeaningofthepartsofaword,youcanworkoutthemeaningofthewholeword.re+new+able;re=again,able=canberenewable=canbenewagainLearningtolearn2021/6/2771.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成新詞的方法叫做合成法。合成法是一種比較靈活的構詞方法，可以合成名詞、形容詞、副詞、代詞、動詞等。例如：afternoon,sportsman,blackboard,sportsperson,newspaper,構詞法2021/6/278

airplane,classmate,grandfather等就是通過合成構詞法構成的名詞；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成的單詞。2021/6/2792.派生法通過在詞根前面加前綴或在詞根后面加后綴構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。2021/6/2710(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,interconnect2021/6/2711前綴含義例詞mis-錯誤地mislead,misunderstandnon-不,非non-smoker,non-nativere-再,重復rewrite,retellun-不unable,unhappy,unpopular2021/6/2712(2)常見后綴后綴功能例詞-er,-or構成名詞teacher,worker,visitor-ianmusician-ingbuilding,painting,shopping,meaning-istartist,scientist2021/6/2713后綴功能例詞-ment構成名詞agreement,government-nesscoldness,happiness,illness-thtruth,warmth-tioncompetition,education,information,invitation-tyactivity,safety2021/6/2714后綴功能例詞-able,-ible構成形容詞comfortable,eatable,enjoyable,possible,-alenvironmental,international,national,traditional-fulcareful,helpful,useful-iveactive,expensive-lesscareless,helpless,homeless,useless2021/6/2715后綴功能例詞-ly構成形容詞friendly,lovely,monthly,weekly-ousdangerous,famous-teen構成數(shù)詞eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth,seventh-tyforty,sixty,twenty-ly構成副詞badly,carefully,carelessly,happily,quickly2021/6/2716(3)派生規(guī)律由一個詞根加上相應的詞綴可以派生出名詞、形容詞、副詞等，掌握派生規(guī)律對擴充詞匯有很大幫助。例如：由interest可以派生出：

uninterestinginterest—interesting—interestinglyinterested—uninterested2021/6/2717由help可以派生出：

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

enableableunableabilitydisable2021/6/27183.轉(zhuǎn)化法英語構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.

咱們再談談這件事吧。

—Ithinkwe’dbetterfinishthetalk

now.我想我們最好現(xiàn)在結(jié)束談話。2021/6/2719(2)名詞轉(zhuǎn)化為動詞

Shegavemeacupofwater.

她給了我一杯水。

Youshouldwatertheflowerstwiceaday.

你應該每天給這些花澆兩次水。2021/6/2720(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。2021/6/2721Completethesentenceswiththewordsinthebox.hopefulimpossiblereuseunhealthywasteful

Pollutedwateris__________.2.Itis_________tothrowsomuchfoodaway.unhealthywasteful2021/6/27223.Ifyoulookafterthingswell,youmay______someofthemlater.4.Itis___________tocleanupthewholeriverinsuchashorttime.5.Ifwepayattentiontopollutionnow,thefuturewillbe_________.reuseimpossiblehopeful2021/6/2723Completethetable.NounVerbAdjectiveAdverbuseful/uselesshopehopefully/hopelesslypollution——water————waste————usually/unusuallyuseuseusefully/uselesslyhopehopeful/hopelesspollutepolluted/unpollutedwaterwastewasteful/wastedwastefullyusual/unusual2021/6/2724CompletethesentenceswiththecorrectformofthewordsinActivity3.Shewas

hopeful

thathernewjobwouldmakehermoresuccessful.Thefactory_________theriver,andthefishdied.2.Weoftenwalkinthecountryside.Itisa(n)______activityforus.pollutedusual2021/6/27253.Donotusesomuchwater.Itisvery_________.4.Tokeeptheflowersgrowing,youneedto______themonceaday.wastefulwater2021/6/2726Completethesentences.

A

lunchbox

isaboxthatyoukeepyourlunchin.A__________isacardthatyouwriteononesideofandsendtosomeonebypost.2.A__________isaroomwhereyouhaveclassesatschool.postcardclassroom2021/6/27273.A___________isabookthathas oneormorestoriesforchildren.4.A____________isablackboard thatisusedatschoolforwritingon withchalk.storybookblackboard2021/6/2728Lookatthepicturesandanswerthequestions.Workinpairs2021/6/2729Whatkindsofthingscanberecycled?2.Howcanthesethingsbereused?3.Howdoesthishelptheenvironment?4.Haveyoueverrecycledorusedthingsthatcanberecycled?How?2021/6/2730Completetheconversationwiththecorrectformoftheexpressionsinthebox.begoodforthrowawayturnoffworryabout2021/6/2731Mike:IhearyouareofftotheCaribbeanforaholiday!Luckyyou!Butaren’tyou(1)______________thepollutionthatsuchlongplanejourneymaycausefortheenvironment?Ken:Iknow,butwhatcanIdoaboutit?I’vealreadytriedmybesttoprotecttheenvironment.worriedabout2021/6/2732Irecycle.Idon’t(2)____________thingsifIdon’twantthemanymore.I(3)_________thelightswhenIleavearoom.Don’ttellmeIshouldn’ttravelbyplaneanymore!throwawayturnoff2021/6/2733Mike:No,ofcoursenot.Butwecandomoretoprotecttheenvironment.Forexample,wecanhelpkeeptheaircleanbyplantingtrees.Trees(4)___________theenvironment.Inthisway,wecanreducetheharmofpollution.aregoodfor2021/6/2734Ken:Good!SoIcanenjoymyholiday,andwhenIcomeback,I’llplantsometrees!Mike:That’stheidea!Maybewecanalljoininandstartasmallforest!2021/6/2735Listenandcheck(√)thetruesentences.1.ItisOKtothrowusedthingsaway.Lookingafterthemtakesalotoftime.2.Donotthrowawaythingsmadeofglass,plasticandpaper,butrecyclethemwhenpossible.3.Takeabagwhenyougoshopping.Listening√√2021/6/27364.Producingelectricityandusingoilwillnotcausepollution.5.Turnofflightswhenyoudonotneedthem.6.Rideabikeorwalk,anddonotoftendriveyourcar.√√2021/6/2737Listenagainandcompletethetable.AdviceReasons1.Don’tthrowawaythingsmadeof_______________________,but_______them.Throwingthingsawayiswasteful.2._______yourplasticbagswhenyoucanand__________withyouwhenyougoshopping.Plasticbags__________recycle.glass,plasticandpaperrecycleReusetakeabagarehardto2021/6/2738AdviceReasons3.Uselesselectricityandoilto_______________.4.Don’tleavelightsonand_______________.5.____________anddonotoftendriveyourcar.Producingelectricityandusingoilmaycause_________.reducepollutionwasteelectricityWalkorcyclepollution2021/6/2739AroundtheworldEarthHour2021/6/2740Readthepassageandanswerthequestions.WhenisEarthHourheldeachyear?EarthHourisheldtowardtheendofMarcheachyear.WhydopeopleswitchoffthelightsduringEarthHour?Theydothistoshowtheirawarenessofclimatechange.2021/6/2741WhenandwherewasthefirstEarthHourheld?ThefirstEarthHourwasheldin2007inSydney.2021/6/2742Whichcitytakepartintheeventtoday?Moreandmorecitiesaretakingpartintheevent,suchasBeijing,London,RomeandNewYork.2021/6/2743ModuletaskWorkingroups.Decidewhatkindofpollutionyouwanttotalkabout.Discussingwhatyoucandoaboutpollution2021/6/2744Choos