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Unit13Wearetryingtosavetheearth.Review1.努力去做某事2.手机3.垃圾,废物4.河底5.充满……6.渔民7.政府8.把垃圾扔到河里9.要求某人干某事10.关闭工厂11.打扫12.过去常常…13.在……中起作用，在……中扮演角色trytodomobilephoneslitter;rubbish;wastethebottomoftheriverbefulloffishermangovernmentthrowrubbishintotheriverasksb.todosth.closedownthefactoriescleanupusedtobeplayapartin1.骑自行车2.骑自行车有别的好处。3.对......有益4.垃圾污染5.去购物6.开始做某事7.记得要把垃圾扔进垃圾桶8.保持公共场所的整洁和美丽9.对......有影响、有作用10.通向美好未来1.ridethebike2.Thereareotheradvantagesofbikeriding.3.begoodfor4.wastepollution5.goshopping6.startdoing7.remembertothrowrubbishinthebins8.keeppublicplacescleanandbeatiful9.makeadifferencetosb.10.leadtoabetterfuture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。结构:be(am/is/are)+v.-ing标志词：Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.2.usedtodousedtodosth.表示过去常常做某事,而现在往往不做了,后接动词原形。e.g.Iusedtogetupatsixo’clock.beusedtodoingsth.表示习惯于做某事Joeisusedtodrinkingacupofcoffeeeverymorning.1.现在进行时:PresentProgressive3.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.Ourclassroomiscleanedeveryday.4.现在完成时:PresentPerfect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。结构:has/have+过去分词标志词：already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.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。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.Youmustn’tplaywithfire.Itisdangerous.情态动词4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____savemay/mightmustcancanwouldcouldhavetoshouldmustmay/mightelectricitybyturningoffthelightswhenyouleavearoom.You______alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you__________rideyourbikeorwalk.Ifit’sfar,you__________takethebus.Allthesecouldhavetocan/shouldcan/could关掉adj.可重复使用的付费;付出代价smallthings______addupandbecomebigthingsthat_________improvetheenvironment.Let’stakeactionnow!couldwould/can采取行动Whatarethey?Whataretheylike?polarbearWhatshouldwedo?!Howtosaveourplanet?Whichisthemostdifficult?stopriddingincarsrecyclebooksandpapersturnoffthelightswhenyouleavearoomturnofftheshowerswhileyouarewashingyourhairdon’tusepapertowelsornapkinsWhatcanwedotohelpsavetheearth?Ranktheseitemsfromtheeasiesttothemostdifficult.____*stopridingincars.___*recyclebooksandpaper.____*turnoffthelightswhenyouleavetheroom.____*turnofftheshowerwhileyouarewashingyourhair.____*don’tusepapernapkins1aThingsJuliaandJacktalkaboutThingsJuliaisdoingnowThingsJuliawilldointhefutureThingsJuliawouldneverdo___turningoffthelight___turningofftheshower___stoppingusingpapernapkins___takingyourownbagswhenshopping.___notridingincars___ridingabike___recyclingpaper1c/dPairwork1eA:Wereallyshouldn'tusepapernapkins,youknow.B:Iknow.Istoppedusingthemlastyear.Howdoyouusuallydealwithbottlesandcans?Readthepassageandcompletethechartbelow.重新思考,重新使用,重新利用Rethink,Reuse,RecycleHowmanypeoplearementionedinthepassage?Whoarethey?Three.TheyareAmyHayes,JessicaWongandWangTao.FastReadingDoyouoftenthrowawaythingsyoudon’tneedanymore？Haveyoueverthoughtabouthowthesethingscanactuallybeputtogooduse？Nothingisawasteifyouhaveacreativemind.你经常扔掉你不再需要的东西吗？你是否曾经想过这些东西能很好地重新利用？如果你有一个充满创新的头脑，没有东西是废品。重新思考,重新使用,重新利用Rethink,Reuse,Recycle※throwaway扔掉※thinkabout思考※beputtogooduse被好好利用YouhaveprobablyneverheardofAmyHayes，butsheisamostunusualwoman.ShelivesinahouseintheUKthatshebuiltherselfoutofrubbish.你可能从来没有听说过艾米.海斯，但她是一个非常不寻常的女性。她住在英国，房子是她自己用废弃物建造而成。重新思考,重新使用,重新利用Rethink,Reuse,Recycle※hearof听说※most=very\quite很※build…outof用…建造Thewindowsanddoorscomefromoldbuildingsaroundhertownthatwerepulleddown.Thetopofthehouseisanoldboatturnedupsidedown.窗户和房门来自于一个小镇周围拆毁的房子。房子的顶部是一条翻转过来的旧木船。Rethink,Reuse,Recycle重新思考,重新使用,重新利用※comefrom来自※pulldown拆下※upsidedown倒转先行词引导词定语从句过去分词作定语Andthegateinfrontofherhouseismadeofrocksandoldglassbottles.AmyrecentlywonaprizefromtheHelpSaveOurPlanetSociety.Thepresidentsaid.”Amyisaninspirationtousall.”房子前的大门是用岩石和旧玻璃瓶搭建的。艾米最近获得了“救助我们的星球”协会颁发的奖项。协会主席说:“艾米给我们所有人一个启示”重新思考,重新使用,重新利用Rethink,Reuse,Recycle※ismadeof由…制成的※winaprize获奖Amyisn’ttheonlyonewhoisgoodatrecycling.JessicaWongfromHongKongusesoldclothesthatpeopledon’twearanymoretomakebags.艾米不是唯一一个擅于废物利用的人。来自香港的杰西卡.王常利用人们不再穿的旧衣服来制作背包。重新思考,重新使用,重新利用Rethink,Reuse,Recycle※begoodat擅长...※use...todo...用...做...定语从句先行词定语从句Shehasbeendoingthisforafewyearsnow.Sheopenedasmallshopwhereshesellsherbags，andshehasalsosetupawebsitetosellthemonline.Sheespeciallylikestouseoldjeanstomakehandbags.她已经这么做了好多年。她开了一间小店来出售她制作的包，还在网上出售它们。他特别喜欢用旧牛仔裤来制作手提包。重新思考,重新使用,重新利用Rethink,Reuse,Recycle※open=setup=start创办,开办※use...todo...用...做...Herbagsarecuteanduseful.“Iplantowriteabookaboutnewwaystouseoldclothes,”shesaid.“Ihopepeoplecanreadmybookenjoyit!”她制作的包既可爱又实用。“我计划写一本关于用新的方法来改造旧衣服的书，”她说“我希望人们能阅读我的书并且喜欢它。”重新思考,重新使用,重新利用Rethink,Reuse,Recycle※plantodo计划做…WangTaosetupasmallbusinessinShanghaifouryearsago.Heisknownforusingironando