人教版九年级Unit 13全单元课件.ppt

Unit13Weretryingtosavetheearth,SectionA,1a-2d,1.Weretryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryonesbesttodo努力去做某事。e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.为了进入大学学习，每个学生都应该努力学习。,Languagepoints,Theearthispolluted.,airpollution空气污染,Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.,n.煤炭,Factoriesputwasteintotheriver.,waterpollution水污染,n.废弃物,noisepollution噪音污染,Therearemorecarsontheroad.,1a,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与有关e.g.Iamnotrelatedtohiminanyway.我和他无任何关系。,noisepollution_,airpollution_,waterpollution_,loudmusic,planes,mobilephones,factories,cars,smoking,ships,factories,littering,rubbish,buildinghouses,buildinghouses,1b,Listenandcompletethesentences.,reallydirty,rubbish,fish,litter,waste,government,closedown,cleanup,litterv.乱扔【U】n.垃圾rubbishwaste垃圾废弃物,Peopleshouldthrowawaylitterinthebin.,n.垃圾箱,4.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.,litter和rubbish都可指“垃圾”，用作不可数名词rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收.litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。,e.g.Throwtherubbishout.把垃圾扔出去。Theroomisfullofrubbish.房间里堆满了垃圾。Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。,1c,Role-playtheconversation,Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.,Butitusedtobesoclean!,usedto其中的also有时可以省略。,e.g.Shenotonlyplayswell,butalsowritesmusic.她不但很会演奏，而且还会作曲。Notonlymenbutalsowomenwerechosen.不仅仅是男的，女的也有被选中的。,若连接两个成分作主语，其谓语通常与靠近的主语保持一致。（就近原则）e.g.Notonlyyoubutalsohehastoleave.不只是你，他也得离开。,notonly放在句首，后接句子时要用倒装结构。e.g.Notonlyhadthepoormanbeenfined,butalsohehadbeensenttoprison.这个可怜的人不仅被罚款，而且还被送进了监狱。,beharmfulto对有害e.g.Smokingisharmfultothehealth.吸烟有害健康。Playingcomputergamesmuchisharmfultostudents.电脑游戏玩太多对学生有害。,3.Sharksareatthetopofthefoodchainintheoceansecosystem.鲨鱼位于海洋生物系统食物链的顶部。,atthetopof在最高地位;用最高最大的(速度,声音等)e.g.Ilookedatthetopofhishead,hishairshinyandpartedsmoothly.我看他的头顶,头发闪亮且平滑的分开。Heshoutedatthetopofhisvoiceinorderthathemightbeheard.他尽力大声叫喊,以便别人能听见。,4.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.如果它们的数目降至过低，会给所有海洋生物带来危险。此句复数形式的numbers表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。,e.g.Inthatcountry,thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage.在那个国家，城市儿童入学人数比乡镇及农村要高。常与number搭配的动词有grow,fall等。e.g.Thenumberoffamiliesthatowncarshasbeengrowingquicklyrecently.近来拥有轿车的家庭数量增长很快。,5.Environmentprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的行为。句中fin本为名词，指“鱼鳍”。此句中的finning由动词化的fin（割鲨鱼鳍以获取鱼翅）的-ing形式转化而成，指课文中所陈述的“猎翅”这一行为。,2)WildAid和WWF组织WildAid（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）英文全称为WorldWideFundforNature，成立于1961年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一。,southernChina,70million,over90percent,WildAidandtheWWF,3a,Readthepassageaboutsharksandcompletethefactsheetbelow.,3b,Readthepassageagainandfillintheblankswiththewordsinthebox.,Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,_iftheirnumbersdrop,theoceansecosystemwillbeindanger.,when,so,3.Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong.4._therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_wedonotdosomethingtostopthesaleofsharkfins.,but,Although,if,adj.科学上的，科学的,Fillintheblankswiththecorrectformsoftheverbsinthebrackets.Joe：youever（take）partinanenvironmentalproject？Ken:Yes，Ihave.I(help)withaClean-UpDaylastyear.Itwas(consider)thebiggestclean-upprojectthiscityever(have).Joe:Howmanypeople(take)part?Ken:I(think)morethan1,000people(come)tohelpout.Joe:Thatsfantastic!Iguesseveryoneinthiscityis(try)toimprovetheenvironment.Ken:Yes,wecantaffordto(wait)anylongertotakeaction.,Have,taken,helped,considered,had,had,hadtaken,think,havecome,trying,wait,4bFillintheblankswiththeappropriatemodalverbsfromthebox.,canwouldcouldhavetoshouldmustmay/might,Peoplethinkthatbigthingsbedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,yousaveelectricitybyturningoffthelightswhenyouleavearoom.Youalsousereusablebagsinsteadofplasticbags.Ithinksitsagreatideathatyounowpayforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,yourideyourbikeorwalk.Ifitsfar,youtakethebus.Allthesesmallthingsaddupandbecomebigthingsthatimprovetheenvironment.Letstakeactionnow!,may,must,can,can,haveto,could,can,can,could,4c.Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscuss.,usepublictransportation2.takereusablebagswhenyougoshopping3.turnoffthelightswhenyouleavetheroom4.growmoreplants5.reducetheuseofairconditionsinsummer.,A:IthinkthateveryoneshouldusepublictransportationB:Idisagree.Itsdifficultforparentswithyoungchildrentousepublictransportation.,Unit13,Weretryingtosavetheearth!,SectionB1a-2e,Whatcanwedotohelpsavetheearth?Ranktheseitemsfromtheeasiest(1)tothemostdifficult(5).,_stopridingincars_recyclebooksandpaper_turnoffthelightswhenyouleavearoom_turnofftheshowerwhileyouarewashingyourhair_dontusepapernapkins,5,4,1,3,2,1a,Recyclingpaperisreallyeasy.,Iagree.Butitshardtostopridingincars.,1b,Compareyouranswersin1awithyourpartner.,Listenandcheck()thethingsthatJuliaandJacktalkabout.,1c,1d,Listenagain.Check()thethingsthatJuliaisdoingnow,thethingsshewilldointhefutureandthethingsshewouldneverdo.,Listenagainandanswerthequestions.,Whoreadabook?WouldJuliaturnofftheshowerwhensheiswashingthehair?3.DoesJackliveclosetoschool?,Jack.,No,shewouldneverdothat.,Yes,hedoes.,presidentn.负责人；主席；总统,workn.(音乐、艺术)作品,metaln.金属,Presentation,Lookatthetitleandthepicturesin2b.Canyouguesswhatthepassageisabout?,2a,Rethink,Reuse,Recycle!,Reading,Readthepassageandanswerthequestions.,WhoisAmyHayes?2.Howmanypeoplearementionedinthepassage?Whoarethey?,SheisaunusualwomanintheUK.,Three.TheyareAmyHayes,JessicaWongandWangTao.,Doyouoftenthrowawaythingsyoudontneedanymore?1)throwaway扔掉，丢弃浪费(机会、优势或好处),e.g.Ineverthrowanythingaway.我从来不扔任何东西。,Languagepoints,e.g.Dontthrowawaythisopportunity.不要错过这个机会。,3)浪费(时间、金钱等)乱花(钱等)e.g.Itwillbetimeandmoneythrownaway.这将是浪费时间和金钱。,2)错过(机会等)，放过；未能很好利用(机会等),e.g.Yourcreativetalentscanalsobeputtogooduse,ifyoucanworkuptheenergy.如果你能让自己精力充沛起来，你的创作才能也能得到很好的发挥。,2.Haveyoueverthoughtabouthowthesethingscanactuallybeputtogooduse?,putsth.togooduse好好利用,她住在英国，房子是她自己用废弃物建造而成。,3.Whatdoesthesentence“shelivesinahouseintheUKthatshebuiltherselfoutofrubbish”mean?,3.ShelivesinahouseintheUKthatshebuiltherselfoutofrubbish.,build/make.outof用建造/制造,e.g.Hebuiltamodelshipoutofwood.他用木头造了个模型船。Somebirdsbuildnestsoutoftwigs.一些鸟用小枝筑巢。,4.Thetopofthehouseisanoldboatturnedupsidedown.turnedupsidedown意为“被翻转过来的；被颠倒过来的”，做后置定语修饰boat。e.g.Tonyhadanupside-downmapofBritainonhiswall.托尼的墙上倒挂了一张英国地图。Thelid,turnedupsidedown,servedasacoffeetable.那个盖子被翻过来当作咖啡桌。,5.Andthegateinfrontofherhouseismadeofrocksandoldglassbottles.,bemadeof和bemadefrom都表示“由制成”，但二者的用法有区别。bemadeof常常表示原材料未发生化学变化，从成品中仍可看出原材料；而bemadefrom常常表示原材料经过化学变化，从成品中看不出原材料。,e.g.Thedesksandchairsaremadeofwood.这些课桌椅是木材制成的。Thiskindofwineismadefromwheat.这种酒是用小麦制成的。,6.Heisknownforusingiron.,beknownfor因而著名beknownas作为而著名beknownto对于某人来说是著名的,e.g.Hewasknownforhisfriendly.他以友好而著称。Heisknowntothepoliceasathief.对警察来说是一个小偷。ZhouJielunisknownasarapsinger.周杰伦是作为一个说唱歌手而出名。,7.Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity(n.创造力).,bringback恢复；使想起；归还,notonly.but(also).表示“不但而且”。本句中的notonly位于句首，其后的主谓要部分倒装，即根据主语的人称和数以及时态的变化，将不同的助动词提到主语前，需要注意的是but(also)后面的主谓不用倒装。e.g.Notonlydidmyauntteachatschool,but(also)shewrotearticlesfornewspapers.我阿姨不仅在学校教书而且还给报纸写稿。,AmyHayes,windowsanddoorsofoldbuildingsthathavebeenpulleddownanoldboatrocksoldglassbottles（n.瓶子）,ahouse,Readthepassageandcompletethechartbelow.,2b,JessicaWong,WangTao,oldclothes;especiallyoldjeans,bags,iron(n.铁)andothermaterialsfromoldcars,beautifulartpieces,2c,Fillintheblankswiththecorrectformsofthephrasesinthebox.,AmyHayeslivesintheUK.Manyoftheoldbuildingsinherneighborhoodwere_.,pulleddown,2.AlltherubbishandoldthingsinAmysneighborhoodwerethen_whenAmybuiltherhouse.3.Amyisverycreative.She_herfrontgate_rocksandoldglassbottles.Sheputanoldboatontopofherhouse.,put,built,outof,togooduse,4.JessicaWongsellsherbagsinasmallshop,butshehasalso_anonlinebusinesstosellthem.5.ThoughJessicasbagsaremakefromoldclothes,herbagsare_beingcuteanduseful.,setup,knownfor,6.WangTao_makeslargepiecesofmetalartthatlooklikeanimalsorhumans,_makessmallerpiecesforthehome.,notonly,butalso,2d,Underlinethewordsinthepassagebasedonthewordsbelow.Whatarethedifferences?,thinkrethinkspecialespeciallyusereuse,usefulrecentrecentlyusualunusualenvironmentenvironmentalrecyclerecyclingimportantimportancebuildbuildingprotectprotectioncreatecreative;creativityinspireinspiration,1.Rethink,Reuse,Recycle!,re-是最常用的前缀之一。它可以加在名词或动词前面，构成新的名词或动词。re-表示以下三方面的意义：,1)表示“回”或“向后”的意思。例如：return（回来）recall（回忆，召回）retract（缩回，取回）,2)表示“再”、“重新”、“重复”的意思。例如：rethink（再思考）reuse（再运用）restart（重新开始）recycle（再利用）,3)表示“相反”、“反对”的意思。例如：rebel（反叛，谋反）reverse（反转，颠倒）resist（反抗，抵抗）,2.Sheisamostunusualwoman.,un-前缀，常加在形容词、副词、分词、动词和名词之前；第一，表示否定意义。第二，表示“反动作”。即“相反的动作”。例如：uneconomic不经济的uncomfortable不舒服的unending无尽的unfortunate不幸的unusual不平常的unkind不仁慈的unbind解开，释放uncover揭开的盖子unearth由地下掘出unbutton解开钮扣,3.Nothingisawasteifyouhaveacreativemind.,-ive是形容词后缀一般表示有.的create-ivecreative,4.AmyrecentlywonaprizefromtheHelpSaveOurPlanetSociety.recent-lyrecently形容词加ly变副词,5.Amyisaninspiration(n.灵感)tousall.,后缀-tion附在动词后面构成名词,1)当单词最后是t,d,te,de时，变名词加tion或者ation,ition；2)当单词最后是元音字母时，变名词加sion等。,6.Sheespeciallylikestouseoldjeanstomakehandbags.special和especial是同义词，especially是especial的副词。,7.Thethemeparktoshowpeopletheimportanceofenvironmentalprotection.,importance是important的名词。environmental是environment的形容词形式。protect-ionprotection,Whyissheunusual?,Becauseshebuiltherhouseoutofrubbish.,Whatishergatemadeof?,Itsmadeofrocksandoldglassbottles.,WhereisJessicaWongfrom?,SheisfromHongKong.,2e,Makealistofthingsthatneedtobedonetosavetheenvironment.Whichthingscanbedonebycommonpeopleeveryday?,Whichthingshavetobedonebygovernmentsandorganizations?Discussthesewithyourgroup.,Whatshouldwedotosavetheearth?,1.Turnoffthelightswhenweleavearoom.,2.Takeourownbagswhenshopping.,3.Rideabike.,4.Recyclepaper.,5.Dontusepapernapkins.,Whatshouldgovernmentsdotosavetheearth?,Theyshouldclosedownthefactoriesthatputwasteintotheriver.,2.Setupalotofdustbinsonthestreet.,Stoppeoplefromusingwoodenchopsticks,plasticbowlsandbags.,4.Organizepeopletocleanupthestreetsandrivers.,Revision,1.停止乘小汽车2.回收纸3.用纸巾4.好好利用5.用垃圾建造房子6.倒置7.经营小生意,stopridingincars,recyclepaper,usepapernapkins,puttogooduse,buildahouseoutofrubbish,turnupsidedown,setupasmallbusiness,8.回复，归还9.旧玻璃瓶10.拆下11.一个有创意的大脑12.开一个小店13.更受欢迎的作品14.给他人带来欢乐,bringback,oldglassbottles,pulldown,acreativemind,openasmallshop,morepopularworks,bringhappinesstoothers,SelfCheck,Writedifferentformsofthewords.Thenaddmoretoeachgroup.,v.n.,pollute-act-protect-inspire-build-create-,farm-sing-travel-drive-run-write-,pollutionactionprotectioninspirationbuildingcreation,farmersingertravelerdriverrunnerwriter,n.adj.,fame-wood-science-health-south-care-,rain-cloud-luck-help-color-day-,famouswoodenscientifichealthysoutherncareful,rainycloudyluckyhelpfulcolorfuldaily,adj.n.,sunny-noisy-harmful-beautiful-different-important-woolen-,sunnoiseharmbeautydifferenceimportancewool,adj.adv.,slow-wide-sudden-real-quick-true-possible-,happy-loud-quiet-heavy-easy-angry-good-,slowlywidelysuddenlyreallyquicklytrulypossibly,happilyloudlyquietlyheavilyeasilyangrilywell,3b,Writing,Writealettertothecitymayorabouttheproblemsandyoursuggestions.,Inyourletter,describetheenvironmentalproblemsinyourtown/city.1.Whataretheproblems?2.Wherearethey?3.Whatorwhoiscausingtheseproblems?4.Howtosolvetheseproblems?,park,theairisclean,streets,somanytrees,restaurants,cleanandtidy,river,alotofrubbish,somanycars,air,toomanyfactories,streets,写作指导,本次写作内容是一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。,Onepossibleversion,DearSir/Madam,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofthesociety,therearetoomanycarsonthestreetsinourcity.Carshavemadetheairunhealthyforpeopletobreathe.Blacksmokeandpoisonousgasaregivenoffbyfactories.Factoriesalsoputwasteintotheriver.Andwhereverwego,wecanfindrubbish.,Nowmoreandmorepeoplehaverealizedtheseproblems.Ithinkthatgovernmentsshouldclosedownthefactoriesanddeveloplawstostoppeoplefromdrivingcarseveryday.Isuggesteveryoneinthistownshouldhelptocleanuptheriverandthestreets.Weshouldcalloneveryoneinthetowntothrowrubbishinthedustbins.Ihopetheproblemwillbesolvedinthenearfutureandourhomewillbecomebetterandbetter.,2.Matcheachstatementwiththegrammarstructure.,3.Writewaystocutdownonthesekindsofpollution.,stopfactoriesfromthrowingwasteintorivers.,Trynottouseplasticbagswhenshopping,Cutdownthenumberofcars.,Reducethenumberoffactoriesthatburncoal.,SectionA3GrammarFocus-4c,Revision,不同种类的污染2.河底3.把垃圾扔到河里4.在中起作用,differentkindsofpollution,thebottleoftheriver,throwrubbishintotheriver,playapartin,I.Checkifyouknowthesephrases.,5.在中国南部6.对有害7.在顶部8.海洋生态系统,insouthernChina,beharmfulto,atthetopof,theoceansecosystem,II.Translatethesentences.,1.甚至是河底都满是垃圾。2.这个方法不仅残酷还对环境有害。,Eventhebottomoftheriverwasfullofrubbish.,Thismethodisnotonlycruel,butalsoharmfultotheenvironment.,3.鲨鱼处于海洋食物链的顶部。4.许多人相信鱼翅对健康有好处。,Sharksareatthetopofthefoodchainintheoceansecosystem.,Alotofpeoplebelievethatsharksfinsaregoodforhealth.,Payattentiontothesentences.1.Weretryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.4.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.5.Weshouldhelpsavethesharks.,Presentprogressive,usedto,Passivevoice,Presentperfect,GrammarFocus,Modalverbs,现在进行时:PresentProgressive,结构:be(am/is/are)+v.-ing标志词：Look,Listen,now,rightnowe.g.Look!Theboyiscrying.,定义：表示说话时(瞬间)正在进行的动作,也表示目前或现阶段正在进行的动作。,Whatafinedaytoday!Look!Whataretheydoing?,Exercise,usedtodosth.表示过去常常做某事,而现在往往不做了,后接动词原形。beusedtodoingsth.表示习惯于做某事e.g.Iusedtogetupatsixoclock.Joeisusedtodrinkingacupofcoffeeeverymorning.,usedtodo与beusedtodoing,Translation.1.她过去常常周末和朋友闲逛。Sheusedtohangoutwithfriendsonweekends.2.他习惯于每天晚上睡得很晚。Heisusedtostayingup.,Exercise,被动语态：Passivevoice,定义：表示主语是动作的承受者，即行为动作的对象的一种语态。结构：be+过去分词e.g.Anewschoolwasbuiltlastyear.Ourclassroomiscleanedeveryday.,TranslatethesentencesbyusingPassivevoice.1.刚才一些老年人参观了博物馆。2.工人们使用不同种类的机器工作。,Themuseumwasvisitedbysomeoldpeoplejustnow.,Differentkindsofmachinesareusedtoworkbytheworkers.,Exercise,结构:has/have+过去分词标志词：already,yet,ever,never,since,fore.g.Ihaventfinishedmyhomeworkyet.,定义：表示动作已经完成,但对现在造成影响;或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。,现在完成时:PresentPerfect,Completethefollowingsentences.I_(be)inBeijingfortwoyears.2.I_never_(hear)ofthatmanbefore.3.Tom_(work)theresincetwoyearsago.,havebeen,have,heard,hasworked,Exercise,4.Thetwins_(wash)theclothesforanhour.5.He_(play)basketballsincethreeyearsago.6.Howlong_Sally_(sing)yet?,havewashed,hasplayed,has,sung,1.情态动词本身有一定的词义,表示说话人的情绪、态度或语气,但不能单独作谓语,只能与其他动词构成谓语。常见的有:can(could),may(might),must,need,shall(should),will(would)等。,情态动词,2.情态动词无人称和数的变化,后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式,可用来表达更加客气、委婉的语气。e.g.Kencanclimbupthetresslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustntplaywithfire.Itisdangerous.,Translation.1.我们不能在教室里吃东西。2.首先你必须完成作业。3.他现在不可能在家。4.她一定知道这个问题的答案。,Exercise,Wecanteatintheclassroom.,Youmustfinishyourhomeworkfirst.,Hecantbeathomenow.,Shemustknowtheanswertothisquestion.,4a,Fillintheblankswiththecorrectformsoftheverbsinbrackets.,Joe:_youever_(take)partinanenvironmentalproject?Eric:Yes,Ihave.I_(help)withaClean-UpDaylastyear.Itwas_(consider)thebiggestclean-upprojectthiscity_ever_(have).,Have,taken,helped,considered,had,had,参加,Joe:Howmanypeople_(take)part?Eric:I_(think)morethan1,000people_(come)tohelpout.Joe:Thatsfantastic!Iguesseveryoneinthiscityis_(try)toimprovetheenvironment.Eric:Yes,wecantaffordto_(wait)anylongertotakeaction!,took,think,came,trying,wait,v.承担得起(后果);买得起,4b,Fillintheblankswiththeappropriatemodalverbsfromthebox.,People_thinkthatbigthings_bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you_save,may/might,must,can,canwouldcouldhavetoshouldmustmay/might,electricitybyturningoffthelightswhenyouleavearoom.You_alsousereusablebagsinsteadofplasticbags.Ithinkitsagreatideathatyounow_payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you_rideyourbikeorwalk.Ifitsfar,you_takethebus.Allthese,could,haveto,can/should,can/could,关掉,adj.可重复使用的,付费;付出代价,smallthings_addupandbecomebigthingsthat_improvetheenvironment.Letstakeactionnow!,could,would/can,采取行动,4c,Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.,usepublictransportation(n.交通运输);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(餐巾纸);recyclebooksandpaper,Discussion,Ithinkthateveryoneshouldusepublictransportation.,Idisagree.Itsdifficultforparentswithyoungchildrentousepublictransportation,1.Wecantaffordtowaitanylongertotakeaction!affordv.承担得起;提供,给予affordtodosth.(常与can,beableto连用)买得起;有足够的e.g.Wecantaffordtopaysuchaprice.我们付不起这个价钱。Dancingaffordsuspleasure.跳舞给我们带来快乐。,2.saveelectricitybyturningoffthelightswhenyouleavearoom.turnoff关掉e.g.Pleaseturnthetelevisionoffbeforeyougotobed.睡觉前请关掉电视。,turnaround转身turnup调高(音量)turndown调低;拒绝turninto变成;进入turnon打开,发动turnoff关掉,关闭turnouttobe结果是turnover移交,拓展:turn相关短语,Finishtheexercisesintheworkbook.,2014年版新目标英语九年级系列复习课件-Unit13,2014.11,重点词组复习,1.充满2.扔进3.在起作用4