Didyouknowthatallaroundtheworld,3to6billiontreesarecutdowneachyear?Haveyoueverplantedatree?digvt.&vi.挖(洞，沟等)seriousadj.认真的，严肃的breadfruitn.面包果reducevt.&vi.减少，降低e.g.Wecanreduceairpollutionbyridingbicycle.turnoff关上（开关）e.g.Wecansaveenergybyturningoffthelightswhenweleave.recyclevt.回收利用，循环利用e.g.Wecanprotecttheenvironmentbyrecyclingthings.wiseadj.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。takeashowere.g.Wecansavewaterbytakingshortershower.Listenandanswer1.WhatisHobogoingtodo?2.Willmoretreesbeplantedthisyear?3.WhatdoesEddielikedoing?4.WhatwillEddieplant?Heisgoingtoplanttrees.Yes.Treesaregoodforus.Helikesdigginginthegarden.Hewillplantbreadfruittrees.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?Hethinkswecantakeshortershowerstosavewater.Shethinksweshouldremembertoturnoffthelightswhenweleavearoom.Readtheconversationaftertherecorder.Workingroupsandtalkaboutthewaystoliveagreenlife.A:Whatshouldwedotoliveagreenlife?B:Ithink….C:Ithink….D:Ithink….1.Whatareyougoingtodo?你打算做什么？句中begoingtodosth.意思是“打算、计划做某事”。e.g.IamgoingtoplanttreesthisSunday.我打算这个星期天去植树。Heisgoingtoseeafilmnextweekend.他打算下个周末去看电影2.Willmoretreesbeplantedthisyear?今年更多的树将会被种植吗？句中willbeplanted意思是“将会被种植”，“willbe+动词的过去分词”是一般将来时的被动语态。e.g.Thepandawillbesenttothezootomorrow.这只大熊猫...
