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1、Unit2PlantaPlantLesson7PlantingTreesThinkaboutit!•WhenisTreePlantingDayinChina?•Whatarethebasicstepsforplantingatree?植树节是一些国家以法律形式规定的以宣传森林效益，并动员群众参加造林为活动内容的节日。通过这种活动，激发人们爱林、造林的感情，提高人们对森林功用的认识，促进国土绿化，达到爱林护林和扩大森林资源、改善生态环境的目的。中国的植树节开始时是为纪念孙中山先生逝世，1979年2月23日，中国第五届全国人大常务委员会第六次会议决定，仍以3月12日为中国的植树节，以鼓励全国各族
2、人民植树造林，绿化祖国，改善环境，造福子孙后代。挖树坑解草绳树苗入坑Howtoplantatree?一次培土提苗围填浸透水二次培土给树上支架Words&expressionsholelargecoverfillstormdirtynorthernbottomn.洞adj.大的；巨大的v.覆盖n.盖子v.装满；充满n.暴风雨adj.不干净的；肮脏的adj.北方的；北部的n.底部；最下部1.Tolistenandunderstandtheconversationaboutplantingtrees.2.Tolearnsomeusefulwordsandexpressionstotalkabout
3、howtoplantatree.ObjectivesWords:dig,hole,large,cover,fill,storm,dirty,northern,bottomPhrases:bytheway,wanttodo,turninto,forsure,inthebottomof,fill…withIsuppose……It’s…todo…Patterns:It’sMarch12.LiMingandhisclassmatesareonahillside.Theyareplantingtreesasaschoolproject.Aworkeristherehelpingthem.LiMing:
4、Excuseme,sir.Wearediggingahole.Isitbigenough?Worker:Maybeyoushouldmaketheholealittlebigger.Itmustbelargeenoughtoholdtherootsoftheseedling.LiMing:Isee.Thankyou.Listenandread.Worker:Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.Thenpackthedirtaroundthenewtreewithyourfeet.WangMei:OK.Byt
5、heway,thereisanothergroupofpeopledownthehill.Aretheyalsocomingtoplanttrees?Worker:Yes.Manypeopleareworriedbecausetheenvironmentischanging,andtheywanttodosomethingtohelp.LiMing:Thesechangesareserious.Whenthereisaduststorminspring,itgetswindyanddirtyeverywhere.WangMei:Ms.Liutoldusthewindblowsthedirta
6、ndthesandherefromthenorth.Nothingcanstopthewindbecausetherearenotmanytreesleft.Worker:Exactly.Alotofrichlandsinthenorthernareahaveturnedintodesert.LiMing:Isupposetreeplantingisveryimportantwork.WangMei:Forsure.Ireallylikethisproject.It’salsoagreatwaytolearnaboutnature.Worker:Yes.It’sfunandimportant
7、toplantplants.Oh,andpleaseremembertoputalittlewaterinthebottomofthehole.Readandanswer.WhatareLiMingandhisclassmatesdoingonMarch12?Theyareplantingtreesasaschoolproject.2.Whydomanypeoplecometoplanttrees?Becau
