湖南省古丈县古阳中学九年级英语全册 Unit 6 When was it invented Period 1教学案 （新版）人教新目标版VIP专享VIP免费

Unit6WhenwasitinventedPeriod1课题名主备人课时Period1(Section1a-1d)学习目标1.能掌握以下句型：①—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.②—Whataretheyusedfor?—Theyareusedforseeingatnight.2.能谈论物品被发明的时间、发明者，表达某发明的用途。学习重点本课时的单词、词组和句型，学习运用一般过去时态的被动语态。运用一般过去时态的被动语态来讨论发明的发明时间及用途。学习难点过去时态的被动语态的运用及构成。教学步骤教学过程二次备课I.温故知新Showsomepicturesandaskstudentstobefamiliarwiththewordsbelow.Telephone,calculator,car,personalcomputer,TVsetII.兴趣导入1.展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相连。1.Doyouknow?WhataretheFourGreatInventionsinancientChina?Thefourgreatinventions:Printing,gunpowder,paper-makingandthecompassarethefourgreatinventionsoftheancientChina.TheywereinventedbyChinese.Theystillplayanimportantpartinthemodernworld.2.Talkaboutotherinventionsintheworld.III.感受新知引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T:KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Step3Talking1.Lookatthepicturesin1a.Discusswithyourgroup,inwhatorderdoyouthinktheywereinvented?Trytonumberthem[1-4].2.Ssdiscusswiththeirpartnersandnumberthepictures.3.Talkingabouttheinventions:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedaftertheTV.Step4Listening(1b)1.T:TellSslookatthepicturesandyearsontheleft.2.PlaytherecordingfortheSstolisten.3.Sslistentotheconversationandtrytomatchtheinventionwiththeproperyear.4.Playtherecordingagain.5.Checktheanswers.IV.梳理巩固1.Sstrytoremembertheinventionandtheyear.2.StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.3.Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.V.拓展探究electricity电，电能。后缀ity表名词，表示“某种性质，状态等”。常用搭配：electricitymeter电表。e.g:Theelectricityhadbeencutoff.VI.课堂检测完成句子1、这些衬衫是是什么做的？它们是棉质的。are-theshirts?Theyarecotton.2.中国因茶而著名Chinaistea.3.纸是用草和竹子做的。它产于中国。Thepaperis-grassandbamboo.ItisChina.VII.教学反思