Unit4Topic2SectionD重点活动是1和3。教学目标:1.复习本话题中谈论机器人、UFO和Internet过程中出现的重点句型和习惯用语。2.重点词组和句型：switchon,hadbetterdo...,ask...for...教学过程：第一步：复习让学生用流畅的英语谈论机器人、UFO和Internet。也可以以师生对话的方式进行问答。如：Thefirstrobotwasinventedin1921.Robotscandoalotofdangerousandhardworkinsteadofhumans.Theyworkwithoutpay.I’msuretheycandosomeworkfasterandbetterthanhumans.ButIdon’tthinktheycantaketheplaceofusbecausewecontrolthem.IhaveneverseenaUFO.I’msuretherearenoUFOs.Untilnow,nobodyseemstoknowUFOs,evenscientists.PeopleoftenmistakesomemanmadeobjectsforUFOs.WecanonlygetinformationaboutUFOsthroughbooks,movies,radios,theInternetandTV.TheInternetcanhelpustodoalotofthings.WecanusetheInternetforstudying,shopping,listeningtosomemusic,watchingmovies,playinggames,andevenfindingjobs.TheInternetisinterestinganduseful.Butweshouldn’tspendtoomuchtimeonit.Wemuststudywellfirst.第二步：呈现学习生词(下面划线的单词为生词，方框内为板书)。教师可以用图片或影像像下面这样引出本课的生词：T:Ifyouwanttouseacomputer,whatdoyoudofirst?S:Wemustturnitonfirst.T:Yes,weshouldpressthe“On”switch.Butifnothinghappensafterthat,theremustbesomethingwrongwiththecomputer.Weshouldrepairit.turnon=switchonpresshappenrepair第三步：巩固1.完成1。turnon=switchonpresshappenrepairuseless2.两两对话，表演1的对话。第四步：练习根据1的对话，自由结组编新的对话，可以假设自己的自行车、电话或电视机坏了。第五步：活动产品1.阅读2a和2b，复习和巩固本话题的重点句型和习惯用语。2.完成3和4。3.要点回顾。4.布置作业。SectionDThemainactivitiesare1and3.Teachingaimsanddemands:1.Reviewthemainsentencesandusefulexpressonsinthistopicaboutrobots,UFOandInternet.2.Mainwordsandsentences:switchon,hadbetterdo...,ask...for...Teachingprocedure:Step1ReviewAskthestudentstotalkaboutrobots,UFOsandInternetfreely.Forexample,thefirstrobotwasinventedin1921.Robotscandoalotofdangerousandhardworkinsteadofhumans.Theyworkwithoutpay.I’msuretheycandosomeworkfasterandbetterthanhumans.ButIdon’tthinktheycantaketheplaceofusbecausewecontrolthem.IhaveneverseenaUFO.I’msuretherearenoUFOs.Untilnow,nobodyseemstoknowUFOs,evenscientists.PeopleoftenmistakesomemanmadeobjectsforUFOs.WecanonlygetinformationaboutUFOsthroughbooks,movies,radios,theInternetandTV.TheInternetcanhelpustodoalotofthings.WecanusetheInternetforstudying,shopping,listeningtosomemusic,watchingmovies,playinggames,andevenfindingjobs.TheInternetisinterestinganduseful.Butweshouldn’tspendtoomuchtimeonit.Wemuststudywellfirst.Step2PresentationPresentthenewwords.(Theunderlinedwordsarethenewwords.)Theteachercanshowthenewwordswithpicturesormovieslikethis：T:Ifyouwanttouseacomputer,whatdoyoudofirst?S:Wemustturnitonfirst.T:Yes,weshouldpressthe“On”switch.Butifnothinghappensafterthat,theremustbesomethingwrongwiththecomputer.Weshouldrepairit.turnon=switchonpresshappenrepairStep3Consolidation1.Finish1.turnon=switchonpresshappenrepairuseless2.Actoutthedialogin1inpairs.Step4PracticeMakeupnewdialogsinpairsaccordingtotheonein1.Youcansupposethere’ssomethingwrongwithyourbike,telephoneorTV.Step5Project1.Read2aand2btoreviewandconsolidatetheimportantsentencesandusefulexpressionsinthistopic.2.Finish3and4.3.Sumupthemainpointsinthislesson.4.Assignhomework.
