UNIT 4 Topic 3 Section D

【教学依据】

本课处于仁爱英语九年级（上）Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space第四课时，话题主要围绕谈论神舟五号和嫦娥一号进而涉及到电脑在航天中的应用。本话题从令人关注的神五入手，贴近生活，时代感强。然后，，由飞船的成功运行联想到电脑科技，最后，由电子邮件的发送与接收回到电脑的应用的实际生活中。教学中本着整合教材的精神，把本课的内容顺序进行调整，使之浑然成为一个整体，因为学生在学习本课前已经学习并掌握了部分关于谈论电脑科技的的句型，所以，教材的要求与学生现有的水平相一致。通过本课的学习，学生对祖国的科技有了更深的了解。更乐于接触现代科技:电脑、太空知识，口语表达能力和书面表达能力都会有所提高。

【教学设计】

知识与能力：

(1) Review Grammar: The Object Complement.

(2) Know about the parts of computers and the use of them.

(3) Know about how to send and receive an e—mail.

情感态度与价值观：

Know about the parts of a computer and the use of it briefly.

过程与方法：

Speaking, listening, reading, talking, writing, debating.

教学重点：1.    Sum up “Verb+ object+ complement.”

2.    Useful expressions.

教学难点：Know about how to send and receive an e-mail.

教学流程：

一、    创设情境，激趣导入

     1. T: Good morning, everyone! I`m very happy to see you here today. Before class begins please look at the big screen. Talk about the pictures.

(1)(Teacher shows the picture of Chang`e flying to the moon.)

T: Who is she? Who can tell me?

S1: She is Chang`e. She is a beautiful goddess. The ancient legend about her flying to the moon is known to all the Chinese. It shows…

(2)(show the picture of Yang Liwei)

T: Who is he? what is she doing?

S2:He is Yang Liwei, he is the first Chinese to travel into space.和is our national hero. In 2003,he traveled around the earth in Shenzhou V for 21 hours…All of us are very proud…

(3)(Show a picture of a computer.)

T: What`s this?

S3:It`s a computer.

T: Do you know the name of every part of computers? Do you often use computers? What do you use it for?

S4:...chat with my friends.

T: What about you?

S5:..download the music and songs…

 …shopping on line…

 …watching movies…

 …get information…

T: Great, I often use the computer at home or at school as well, you know. To tell you a secret, I often use computers to send and receive an e—mail. Do you know how to send and receive an e—mail? Let me tell you. Please come to 1a.

(通过这一部分的内容，复习展示了2b内容。)

二、    课堂情境、活动设置

Listen to 1a and learn the new words and expressions:

First paragraph(show some pictures.)

turn on,   connet to,    evenlope,   click on…

Second paragraph：

click on“new”,  “to”,   “subject”,  “send”                               

Third paragraph:

“inbox”,  “a list of message”  click on “new message”,

finish reading ,go back to “inbox”

三、    收获平台，复习巩固

Step1 Consolidation(

1.Let students retell the steps of sending and receiving an—mail.

2.Let students read 1a again and put the following pictures in the right order according to1a. Finish 1b. 

   3.Let students send and receive an e-mail on the multimedia.   

Step2.Practice

Divide the students into two groups, one is success group their opinion is: Computers are good things; the other is dream group，their opinionis: Computers are bad things.(Debating the advantages and disadvantages.)

Affirmative debater1:

Computers have become every important in many areas of work and leisure. There is no doubt computers are very useful in technology and business. So we think computers are good things.

Negative debater1:

Though computers improved our lives ,they have brought many problems, too. So we think computers are bad things.

Affirmative debater2:

In space, computers help the astronauts control the speed and direction of a spaceship`s flight. It proves computers are good things.

Negative debater2:

If we work on computers too much time ,we may get headache and sour eyes. Bad for our health, so computers are bad things.

…

…

According to the SectionA---- SectionC, debating the uses of computers and disadvantages of computers .

T :sum up:

Well done! everyone! I think all of us want to know which group will win, I tell you they both win, because they agued are both sides of one problem, computers are good things because they are one of the great inventions in the 20th century, helping human beings in many ways; computers are bad things because they can cause many problems. We must use computers properly, make them serve us better…(呈现2a句子，适时对学生进行思想教育。)

四、    课堂小结：

通过这节课的学习，让学生复习了宾语补足语的用法，还让学生了解了如何收发电子邮件以及简单了解电脑的硬件构成和实际应用。

五、    拓展延伸，学以致用

Design a wall newspaper about the uses of computers in groups, pay attention to the advantages and stick them on the blackboard.

【教学反思】

本节课基本达到了教学目标。优点和亮点：把主动权交给学生，教师只是指导和组织者，采用形象生动的多媒体教学，提高了学生学习英语的积极性，注重学生听说读写的综合能力，设计有趣的活动（如：看图片师生问答、听录音、看flash动画、复述课文、操作电脑发送和接收e—mail、辩论、画墙报、写作文）让学生将所学的知识大胆的运用到实际中去，拓展所学，扩大学生知识面。在设计wall newspaper 时，欣喜地看到了同学们智慧和创新的火花：刘学同学写到：There was a very good boy named Zhang Yi, he was a good student, but he spent too much time on computer games, and he couldn`t get out of it , at last he killed himself. What a pity! Keep away from the computer games!!! 他把墙报设计成黄色花朵，有警示的含义，还写上了：Pay attention! 从稚嫩地语言看出了孩子纯洁的心灵，这是孩子在这一课里学习到的思想深层次的东西，也是最大的收获。

赖健儿同学在作文中这样写道: Computer is a very useful machine，It is very popular today. Computers are used in many ways--- in office, in factories, in big shops, at schools and even at home. It can help us to learn about the real world …I learned how to send an e---mail,we can send and receive an e—mail in a few minutes to our friends far away. It shows us a very nice picture of tomorrow. 虽然语法表达上还不尽善尽美，但她把wall newspaper 设计成红色花朵，似心形，像花蕾。也表现了孩子们对电脑的喜爱。

    最后教师把自己设计的小帆船展示出来，把整个课堂内容升华。