3Acomputerhasakeyboard教案

Lesson 3 A computer has a keyboard教案一、教学内容Book 5 Lesson 3 A computer has a keyboard二、教学目标1、学习掌握身体部位单词和电脑配件单词。2、掌握四会和三会单词。3、复习动词have的用法，学习has的用法，即第三称单数形式。4、Key sentence: Does a computer have a keyboard? Yes, it does. / No, it doesnt.三、教学重难点1. New words: mouth，tall，hand，write，letter，clever2. Key sentence: Does a computer have a keyboard?四、教学过程Step one: Sing a song带领同学们学习英文歌曲“I have two hands”，一首英文歌不仅缓解了学生紧张的情绪，而且还能激发情趣，活跃课堂气氛，同时又为新授知识作了铺垫。Step two: Revision复习上一课阅读，让45组学生到前面表演阅读。简单的对话可以使学生复习上节课所学主要内容，同时还可以训练学生的日常交际能力。复习在集中识词中所学的本课的单词，即mouth，tall，hand，write，letter，clever教师出示卡片或用英文说出这些单词，让学生说出或写出中文。Step three: Presentation1) Ask and answer.T: Do you have a pen? S: T: Do you have a ruler? S: 2) Translate two sentences:T: 我有一支钢笔。 S：I have a pen.T: 他有一支钢笔。 S：He has a pen.T: Show the title: A computer has a keyboard.Ask and answer.T: I have a ruler. Do you have a ruler? Yes, I do./No, I dont.T: He has a ruler. Does he have a ruler? Yes, he does./No, he doesnt.3) Show the key sentence and write it on the blackboard. Does a computer have a keyboard?Yes, it does./No, it doesnt.通过变换标题型式引出主题句，既清晰又可以给学生留下深刻的印象。Step four: Drill.1)Read after teacher again and again until many students can read.2)Read them by students one by one.3)Read together three times.4)In pairs read the key sentence one by one.5)Two students in pairs change the boy words to practice the key sentence.6)Teacher asks some team to act their dialogues.7)Two students in pairs make new dialogues.8)Ask some team to act their new dialogues.多种多样的形式练习，即可以吸引学生的注意力，提高兴趣，而且能够从课内到课外多方面锻炼了学生，又能让他们熟练掌握了本课主题，学以致用。Step five: Reading本课阅读教师可以采用设置悬念法导入，在讲阅读前，教师先说一个谜语，让学生猜，谜语是：我有一个朋友，很矮而且没有腿，有一个大头，没有嘴却会唱歌，没有手却会写信，你知道我的朋友是谁吗？教师视学生水平也可以用英文讲这个谜语。学生根据自己想象猜出这个朋友是谁，教师接着告诉学生，我们一起看阅读，看看这个朋友究竟是谁。这样就引出本课要讨论的主题computer。教师可以采用自问自答法进行导入，按照图画可以将对话分成三段，以第一段为例，教师手指教室内的电脑或者电脑图片，说Oh! You have a good TV. 转向另一边自己回答No, its not a TV. Its a computer. 转回来继续说But it looks like a TV. 再转回去回答Yes. But a computer has a keyboard. 教师表演12遍，让全班学生理解第一段大意，其他两段也可以采取同样方法进行导入。教本课的语法点。Read the passage together three times.Step six: Play a game这个游戏可以由五名学生参加，三名学生并排站着，两名学生看着那三名学生对话。一名学生先说I have a friend. Who is she? 另一名学生猜，猜的学生根据那三名学生的特点最多只能问