高中英语 unit3 the world online welcome to the unit教学设计 牛津译林版选修7 (2)

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1、Unit3TheworldonlineWelcometotheunit教学设计单　　元：Unit3Theworldonline板　　块：WelcometotheunitThoughtsonthedesign:本节课以说为主，通过“Welcometotheunit”部分所提供的四幅图片构成的海报，介绍了因特网及其用途。学生将学会谈论把世界连接起来的因特网，因特网所带来的好处和不利之处，以及因特网将来的用处。通过对该部分相关问题的讨论，帮助学生获得更多关于英特网的信息，为更深入学习本单元内容奠定基础

2、。Teachingaims:1.Afterlearningthislesson,thestudentswillbeabletoknowmoreabouttheInternet,andtalkabouttheInternetanditsusesbymakingadebateontheeffectsoftheInternetonourlives;2.Afterlearningthislesson,thestudentswilldevelopspeakinganddiscussingskillsbyt

3、alkingaboutthefourpicturesandsharingideasinagroup;3.ThestudentswillhaveafluenttalkonthattheInternetconnectspeopleallovertheworldandthattheInternethasbothpositiveandnegativeaspects.Teachingprocedures:Step1Lead-in(PPT5-9)1.Talkaboutthecomputer.2.Learna

4、bout“computerterms”.(1)Whichprogrammewouldyouliketowatchtonight?→Aprogramissomethingthatweusetocontroloroperateacomputer.(2)Themusicfromthekeyboardsoundslikemusicfromarealpiano.→Akeyboardisasetofkeysonacomputerthathelpyouoperatethecomputer.(3)Ihateto

5、cleanwindows.→WindowsisakindofcomputerprogramdevelopedbyMicrosoft.(4)Memoryissomethingyoumaystarttolosewithage.→Memoryisaspaceintheharddriveofacomputertostoreinformation.(5)Juliewantstohaveapetmouse.→Mouseiswhatyoucontrolwithyourhandtomovethecursoron

6、thecomputerscreen.[Explanation]生活、学习中我们常用电脑，学生已经掌握相当的电脑知识并了解因特网的作用，有丰富的背景知识，但用英文表达能力还欠缺。通过谈论电脑和学习电脑相关术语，能让学生更好地表达，从而顺利导入本课主题。Step2Brainstorming(PPT10-12)1.Doyouknowhowpeoplekeptintouchwitheachotherinthepast?(Peopleusedletters,postcards,telegraphs,fax

7、esandtelephonestocommunicatebeforetheinventionoftheInternet.)2.Thenhowpeoplekeepintouchwitheachothernow?(WiththedevelopmentoftheInternet,moreandmorepeoplearenowusingcomputersandtheInternetforcommunication.)3.WhatareyourexperiencesusingtheInternet?4.W

8、hatistheInternet?(TheInternet,alsocalledtheNet,isacollectionofcomputersconnectedinaworldwidenetwork.)5.WhatarethefunctionsoftheInternet?(Chatting,shopping,music,etc.)[Explanation]通过激活学生的大脑思维，学生在规定的时间内，尽可能多地将大脑中刚刚组织起来的话语与老师、同学交流。将集体回答、个体回答穿插在一起，每个问题的回