英语人教版九年级全册unit13 peroid.ppt

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1、Unit13Wearetryingtosavetheearth.SectionA(1a-2d)Goforit!九年级seriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionsoilpollutionwaterpollutiontheearthsongbyMichaelJackson!!!Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasairpollution!The

2、weatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknowwhy?Factoriesproducetoomuchdangeroussmoke.Thetrafficproducestoomanyfumes.Somepeoplesmokeinpublicplaces.Dad,what’stheacidrain?Naturalresourcesaredisappearingatadangerousrate.以危险的速度GroupOneGroupTwoGroupT

3、hreedesert灭绝extinctHelpsavetheearthWemustthinkofbetterwaytotreatourplanetinfuture.Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.STARTYoudrinkacanofcola.Whatdoyoudo?Ithrowawaycans.Irecyclecans.Youthrowawaythecans.That’sbadfortheEarth.Yourecyclethecans.That’sgoodfortheE

4、arth.Therearealotofoldnewspapersatyourhome.Whatdoyoudo?Ithrowtheoldnewspapersaway.Irecycletheoldnewspapers.Youthrowoldnewspapersaway.Youwastepaper.That’sbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.That’sgoodfortheEarth.Yougoshopping.Whatdoyoudo?Iusealotofnewplasticbags.

5、Iusemyownbag.Youusealotofnewplasticbags.That’sbadfortheEarth.Youuseyourownbag.That’sgoodfortheEarth.Whenyouwriteonapieceofpaper,whatdoyoudo?Iwriteononesideonly.Iwriteonbothsides.Youusepaperononesideonly.That’sbadfortheEarth.Youusepaperonbothsides.That’sgoodfortheEarth.closedown

6、thefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;don'tusenapkins;rethink,reuse,recycle......solutionsind

7、ustryharmfulcostwoodenplasticaffortn.工业adj.有害的v.花费adj.木制的adj.塑料的v.支付的起Wordsandexpressionsmakeadifferencetakepartinturnoffpayforcutdownleadto起作用；有影响参加关掉付费；付出代价减少导致WordsandexpressionsWe’retryingtosavetheearth.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

8、重污染。Themethodisnotonlycruel,butalsoharmfultotheenviron