SectionA1a-2d

Period11a-2dWords,Unit13Weretryingtosavetheearth.,Lookatourearth!,Endangeredanimals,Desertification,Naturaldisasters,Pollution,Theworldsproblems,Seriouspollution,Weareharmingourplanetinsomanyways.,伤害,airpollution,noisepollution,waterpollution,Factoriespourdangerousgasesintotheair.,Airpollution,Carsalsopourdangerousgasesintotheair.,cars,smoking,Somepeoplesmokeinpublicplaces.,Noisepollution,buildinghouses,loudmusic,mobilephones,planes,Waterpollution,factories,rubbish,littering,ships,Helpsavetheearth,Wemustthinkofbetterwaystotreatourplanetinthefuture.,Youdrinkacanofcola.Whatdoyoudo?,Ithrowawaycans.,Irecyclecans.,Youthrowawaythecans.Thatsbadfortheearth.,Yourecyclethecans.Thatsgoodfortheearth.,Therearealotofoldnewspapersatyourhome.Whatdoyoudo?,Ithrowtheoldnewspapersaway.,Irecycletheoldnewspapers.,Youthrowoldnewspapersaway.Youwastepaper.Thatsbadfortheearth.,Yourecycleoldnewspapers.Yousavepaper.Thatsgoodfortheearth.,Yougoshopping.Whatdoyoudo?,Iusealotofnewplasticbags.,Iusemyownbag.,Youusealotofnewplasticbags.Thatsbadfortheearth.,Youuseyourownbag.Thatsgoodfortheearth.,Whenyouwriteonapieceofpaper,whatdoyoudo?,Iwriteononesideonly.,Iwriteonbothsides.,Youusepaperononesideonly.Thatsbadfortheearth.,Youusepaperonbothsides.Thatsgoodfortheearth.,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,1a,Noisepollution,Airpollution,Waterpollution,Listenandcompletethesentences.,reallydirty,rubbish,fish,1b,litter,waste,government,closedown,cleanup,1.Weretryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryonesbesttodo努力去做某事。Everystudentshouldtrytostudyhardinordertostudyinauniversity.为了进入大学学习，每个学生都应该努力学习。,Languagepoints,2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与有关Iamnotrelatedtohiminanyway.我和他无任何关系。,3.Everyoneinthistownshouldplayapartincleaningitup!playapartin在方面起作用Agooddietplaysalargepartinhelpingpeoplelivelonger.健康的饮食在帮助人们长寿方面起着非常大的作用。,playapart在中扮演角色HewasinvitedtoplayapartinthisTVplay.他被邀请参加这个电视剧的演出。,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。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。,Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.,A.landpollutionB.airpollutionC.noisepollutionD.waterpollution,2a,1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisisturningbeautifulplacesintouglyones.,morecars,pollute,arethrowingaway,publicplaces,Listenagainandcompletethesentences.,2b,Listenandanswerthequestions.,1.Whoistheinterviewertalkingto?2.Whataretheytalkingabout?3.Whatotherproblemsdotheysee?,SusanandJason.,Theenvironmentalproblems.,Therestoomuchrubbishandwasteinthestreets.,Read2dandcompletethechart.,takethebus,subwayorrideabikeinsteadofdriving.,bringabagtogoshopping.,usechopsticksorforksathome.,throwrubbishinthebins.,2d,Role-playtheconversation,JasonandSusan,whatareyourideasforsolvingtheseproblems?,Yeah,orrideabike.Thereareotheradvantages(优点)ofbikeriding.Itsgoodforhealthanditdoesntcost(花费)anything!,Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.,Greatideas!Whataboutwastepollution?,Me,too.Also,Inevertakewoodenchopsticksorplastic(塑料)forkswhenIbuytakeaway(外卖食品)food.Iusetheonesathome.,Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.,Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.,Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!,辨析：turn,get与become(1)become多指身份，职位等的变化，它强调变化过程已经完成，后面可以接名词或者形容词。Hebecomesateacher.(2)get多用于口语，表示一种变化过程，强调的是“渐渐变化”后常接形容词的比较级形式。,LanguagePoints,Inwinterthedaysgetshorter.冬天白天渐渐变短。(3)turn指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。leavesturnedbrowninthemountains.山里的树叶已经变成了棕色。：Hermother_angrywhensheheardthenews.Its_darkeranddarkeroutside.Themilkhas_bad.,练习,became,getting,turned,cutdown,意为减少；是“动词+副词”结构的短语，后面所带的宾语为名词时，宾语可以位于down的前面或后面；为代词时只能位于down前面。Youdbettercutthearticledowntoabout2000words.cut后接off,into,up,in的不同：,拓展,1.He_gooutwithhisparents,butnowhe_stayathomealone.A.useto;isusedtoB.isusedto;usedtoC.useto;usedtoD.isusedto;isusedto2.Theinterestingbook_me10yuan.A.tookB.paidC.spendD.cost,Choosethebestanswer.,3.Wemustdosomethingusefulto_pollution.A.cutoffB.cutupC.cutdownD.cutin4.Smokingcan_lungcancer.youdbettergiveitup.AworkonBleadtoCtakeawayDputout,5.-Whatarethe_ofbikeriding?-Itcanhelpcutdownairpollution.AadvantageBreasonsCresultsDideas,用方框中所给词的适当形式填空。1.Dontthrow_(垃圾)everywhere.2.Inwinter,manypeopleburn_(煤)tokeepwarm.3.Thepolicefoundabodyatthe_(底部)ofthelake.4.The_