1.Didyouknowthataroundtheworld,3to6billiontreesarecutdowneachyear?2.Haveyoueverplantedatree?digvt.&vi.挖(洞，沟等)seriousadj.认真的，严肃的breadfruitn.面包果HowtoliveagreenlifeturnoffthelightsWecansaveenergybyturningoffthelightswhenweleavearoom.Wecanreduceairpollutionbyridingbicycles.reducevt.&vi.减少，降低Reduceuseenergyfromthesun,windandwaterReduceturnoffthetapwhenbrushingteethReducenotbuyunnecessaryclothes.Reducereducethewastegasfromfactoriesuseelectriccarstoreduceairpollutionsende-cardsinsteadofpapercardsReducee-cardReduceairconditionerwaterheaternotusemuchReuserefusedisposable(一次性)products[dɪ′spəʊzbl]əreusewaterReuseReuseusewastenewspaperstocleanglassReusehandkerchiefnapkinusehandkerchiefsinsteadofnapkinsReusereducewhitepollutionWecanrecycleemptybottles.RecycleRecycleplasticplasticbottlesglassesGarbageclassification(垃圾分类)unrecyclable(不可回收的)recyclable(可回收的)recyclewasteWecanprotecttheenvironmentbyrecyclingwaste.waste:plasticbottles;….recyclevt.回收利用，循环利用Whatcanberecycled?Howtorecycle?标哥Wecansavewaterbytakingshortershowers.takeashowerwiseadj.明智的，充满智慧的e.g.Theprofessorisverywise.这名教授充满智慧。causevt.导致；造成e.g.Humanpollutioncausesglobalwarming.人为污染导致全球变暖。Let’slearnsomenewwords!•garbage垃圾n.•garbageclassification垃圾分类n.•classified分类的adj.•recyclable可循环使用的adj.•unrecyclable不可循环使用的adj.•plastic塑料的adj.•battery电池n.Theclass1,Grade8studentsaretalkingaboutwaystoliveagreenlife.Lookatthepicturesbelowandmatchthemwiththecorrectsentences.a.Wecanreduceairpollutionbyridingbicycles.b.Wecansavewaterbytakingshortershowers.c.Wecansaveenergybyturningoffthelightswhenweleavearoom.d.Wecanprotecttheenvironmentbyrecyclingwaste.Listenandanswer1.HowdidKittygotoschoolinthepast?2.Whataboutnow?3.WhatdoesMilliethinksheshoulddotoliveagreenlife?Herfatherusedtodrivehertoschool.Theytaketheundergroundnow.Shethinksit’swiseforpeopletochoosepublictransportandridebicycles.4.WhataboutDaniel?5.WhataboutSandy?Hethin...
