英语人教版九年级全册unit13 SectionA 1st.晒课[1].ppt

,英语教学课件系列,Go,for,it!,九年级,SectionA第一课时(1a-1c),Unit13Weretryingtosavetheearth.,人教版九年级下册,LanguageGoal,Talkaboutpollutionandenvirnmentalprotection,Objectives,Totalkaboutairpollution,waterpollutionandsoundpollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearnthenewwords,litterv.乱扔n.垃圾；废弃物,bottomn.底部；最下部,fishermann.钓鱼的人,seriouspollution,Weareharmingourplanetinsomanyways.,伤害,airpollution,soilpollution,waterpollution,theearthsongbyMichaelJackson!,Factoriespourdangerousgasesintotheair.,Carsalsopourdangerousgasesintotheair.,tailgas,airpollution!,Theweatherisalwaysfoggy.Wecantseethebluesky.Wecantbreathethefreshair.Doyouknowwhy?,Factoriesproducetoomuchdangeroussmoke.Thetrafficproducestoomanyfumes.Somepeoplesmokeinpublicplaces.,Dad,whatstheacidrain?,Naturalresourcesaredisappearingatadangerousrate.,以危险的速度,GroupOne,GroupTwo,GroupThree,desert,灭绝,extinct,Helpsavetheearth,Wemustthinkofbetterwaytotreatourplanetinfuture.,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.,closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;rethink,reuse,recycle.,solutions,Weretryingtosavetheearth.我们在努力拯救地球。Theriveusedtobesoclean.这河流过去是如此的清澈。Theairisbadlypolluted.空气被严重污染。Themethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷，而且对环境也有害。,Sentences,基础预习写出下面单词的意思litter_bottom_fisherman_ugly_cost_plastic_coal_advantage_wooden_,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,1a,noisepullotion,airpollution,waterpollution,Listenandcompletethesentences.,1b,reallydirty,rubbish,fish,litter,waste,government,closedown,cleanup,Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.,1c,littering乱丢废弃物litter作不可数名词，意为“垃圾；废弃物”。如：Therewerepilesoflitteronthestreets.街上有一堆一堆的废弃物。Therewillbefinesforpeoplewhodroplitter.乱扔垃圾的人将被罚款。,Languagepoints,litter作及物动词，意为“把.弄得乱七八糟”。如：Dontlitterupthefloorwithscrapsofpaper.别往地上乱丢纸屑。Itisantisocialtoleaveoneslitterinpublicplace.在公共场所遗弃杂物是妨害公共利益的。,Languagepoints,litter还可作不及物动词，意为“乱扔废弃物”。如：Pleasedontlitter.请勿乱扔纸屑杂物。Whydoyoualwayslitterupthetablewithallthesenewspapers?你为什么总是将报纸乱丢，把桌子弄得乱糟糟呢？,Languagepoints,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,辨析：spend,cost,take,pay,1.Doyoutakeexerciseeveryday?Yes,Ialways_thirtyminutesaftersupper.AspendBcostCtakeDpay2.I_300yuanforthebike.AtookBspendCcostDpaid,用方框中所给词的适当形式填空。1.Dontthrow_(垃圾)everywhere.2