Unit2SavingtheEarthTopic3Wouldyouliketobeagreenerperson?SectionCThemainactivitiesare1aand2.本课重点活动是1a和2。Ⅰ.Teachingaimsanddemands教学目标1.Learnanewword:technology,electric,wheel,steel2.Goonlearningsomecompoundsentences:(1)Inmanycountries,peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.(2)Althoughelectricvehiclesproducenopollution,therewillbeanincreaseinelectricityneedsiftheyarewidelyused.3.Learntheadvantagesanddisadvantagesofsomekindsofenergy.Ⅱ.Teachingaids教具挂图/图片/小黑板或幻灯片/录音机Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:10分钟)通过对节能环保知识的复习讨论，导入新课，教学部分生词。1.(通过对上一课1a的复习，强调怎样做才能成为绿色使者,进一步增强学生的环保意识，同时也营造一种英语氛围，激发学生的学习兴趣。)T:CanyourememberwhatwehavelearnedinSectionB?Ss:Yes.(教师可以出示上一课1a的图片。)T:WhatareJaneandMichaeldoing?Ss:Theyaretalkingabouthowtobeagreenerperson.T:Canyoutellmehowtobeagreenerperson?Ss:First,turnoffthelightswhenweleavearoom.T:Whataboutthenext?Ss:Walkorrideabikeinsteadoftakingabusorataxi…T:Verygood.Pleasegoon.Ss:Takeaclothbagwhenwegoshopping.T:Great.It’seasiersaidthandone.Sowehavetokeepondoingthateveryday.2.(让学生分组讨论节约能源的各种方法，以旧带新，导入新课主题。)T:Wemustnotonlyprotectourenvironmentbutalsosaveenergylikeelectricity.Nowdiscussthisprobleminpairs:Whatshouldwedotosaveenergy?(采用竞答方式，鼓励学生说出日常生活中所观察到的节约能源的各种方法。)T:Well,I’msureyouhavesomenewideastosaveenergy.Pleasetellmeonebyone.Nowlet’stalkabouthowtobeagreenerperson.Who’sthevolunteer?Pleasehandsup!S1:Don’tdriveacarifyoutravelashortdistance.S2:Writeonbothsidesofthepaper.S3:Don’tusethethingsthatcanbeusedonlyonce.S4:Afterwewashfaces,wecanusethewatertowashclothes.S5:Takeaclothbagwhenwegoshopping.S6:TurnofftheTVsetwhileweareaway.S7:…T:Welldone!Actionsspeaklouderthanwords.Ifyouwanttobeagreenerperson,youshoulddoaswhatyousay.3.(通过学生对节能环保知识的讨论，教师引出文中所讲的新环保事物，出示1a的挂图，导入新课内容，教授生词。)T:Lookatthepictures.Maybetheyarethenewthingsthatyouhaven’tknown.Theyshowussomeformsofenergy.Someofthemmaydolessharmtoourenvironment.What’sitinPicturea?Ss:It’sacar.T:Yes.Whatabeautifulcar!Butitlooksstrange,doesn’tit?Ss:Yes.T:It’sanelectriccar.Itworkswell,butit’sslowandcan’trunforlong.(板书并讲解，要求学生掌握。)electric(adj.)—electricity(n.)T:What’sitinPictureb?Whoknowsit?S8:It’satrain.Itcanrunfast.T:You’reright.It’samaglevtrain.Itsadvantagesarequiet,fastandclean,butit’stooexpensive.(板书并解释，要求学生理解maglevtrain。)maglevtrainT:OK.Let’slearn1aandtalkaboutotherwaystoproducepower.Step2Presentation第二步呈现(时间:10分钟)呈现1a，完成1b。培养学生快速查阅字典的能力和快速阅读的能力。1.(要求学生在字典中快速地查出1a中生词的意思，培养学生快速查阅字典的能力。)T:Takeoutyourdictionaries.Lookupthenewwordsin1aasquicklyaspossible.(以比赛的形式检查学生查字典的效果，看哪些同学最先完成。板书并要求学生理解1a中生词power,acid,nuclear,per,guide;了解biogas,straw,efficient;掌握technology,wheel,steel。)power,acid,nuclear,biogas,technology,straw,efficient,per,wheel,guide,steel2.(让学生快速阅读1a中的2，为每段找到正确的图片。)T:Readthepassagequickly,andchoosetherightpictureforeachparagraph.3.(再次阅读，判断下列句子正误。用小黑板或幻灯片出示句子。)T:Readthepassageagain,andthenmarkTrue(T)orFalse(F).①()It’s...
