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Unit8AgreenworldWelcometotheunitI.TeachingaimsBytheendofthelesson,studentsshouldbeableto:1.knowtheEarthisingreatdangerno

wadays.1.knowtheimportanceofprotectingtheenvironment;2.talkabouthowtoprotecttheEarthintheirdailylives.II.Teachingcontents1.Newwordsandphrase

s:reduce,recycle,reuse,turnoffthelights,takeshortershowers,liveagreenlife.2.Newstructures:Whatshouldwedotoliveagreenlife?Wecanprotecttheenvironmentb

yrecyclingwaste.It’swiseforpeopletochoosepublictransportorridebicycles.III.TeachingfocusToknowthesituationoftheEartht

oday.TotalkabouthowtosaveandprotecttheEarthinourdailylives.IV.TeachingproceduresStep1Lead-inLet’stalkT:Whatdoyouthinkofwhen

youseethecolorgreen?S:health,newlife,peace,energy,hope,beautyT:Yougivethiscolorsomanynicewords.AndIlikeyourideasverymuch.【设计意图：

通过谈论绿色带给人们的感觉，引出本节课的主题：Agreenworld】Step2Presentation1.Let’swatchT:Oncewelivedinsuchagreenworld.Let’swatchsomepi

cturesofourbeautifulworld.【设计意图：通过观看一些青山绿水蓝天白云的图片让学生感知地球原本的美】T：Butnowit’sverydifficultforustoseesuchbeautifulnatur

e.Let’swatchsomeotherpicturesaboutthesituationoftheearthtoday.【设计意图：通过观看一些环境污染生态破坏的图片让学生了解地球的现状，拯救地球刻不容缓】2.Let’sexamineAskstudent

stoworkingroupstotalkaboutwhat’sthematterwiththeEarth.【设计意图：让学生扮演医生的角色会诊地球，迅速唤起环保主人翁意识并引出下面环节的开展。】3.Let’ssavethee

arthIntroduce3Rs(reduce,reuse,recycle)tostudents.【设计意图：这三个单词在环保话题中很重要，所以学生要清楚地掌握。并可以自然过渡到书本上welcometotheunit这个部分的

学习】Step3.Welcometotheunit1.PartAT:Howcanweliveagreenlife?Matchthepictureswiththecorrectsentencesandthenpracticemore.2.PartBa)Askstudents

tolistenandanswersomequestions.b)Askthemtolistentotheconversationagainandrepeatafterthetape.c)AskthemtofindsomeusefulexpressionsfromPartB.【设计意图：

通过听后的问答，进一步巩固PartA中所学到的语言点，并将短语融入到平时的表达中。】Step4ProductionLet’sdiscuss.T:Whatotherwaysdoyouthinkyoucando

togogreeninourdailylives?Thinkaboutfood,clothing,shelterandtransportation.Theyareourbasicneeds.YoucanusePartBasamodel.【设计意

图：引导学生从衣食住行四个方面考虑切实可行的环保手段与方法，并运用B部分的有用句式进行对话。】Let’sdraw.Askstudentstoshowtheirdrawingsabouttheirdreamworld.Ste

p5SummaryT:Let’stakeactiontogethertoprotectouronlyearth.Takingactionmeanseveryyear,everywhereandeveryone.Everyactioncounts.Step6Homewor

k1.Rememberthenewwords,phrasesandusefulexpressions.2.Drawmorepicturesaboutyourdreamgreenworld.