Learning about Language全国优秀课堂实录

必修二Unit 3 Computers Period 2 learning about language

教材内容分析

本单元的听说读写活动围绕中心话题“计算机”展开，内容涉及计算机的发展历史，计算机的应用等，其中还谈到包括计算机在内的几种信息技术的载体，智能机器人的发明等。

“现在完成被动式”是本单元的句法项目。

教学设计说明

根据教学内容可将本单元分为四个课时来进行教学：

1.Warming up与reading整合成一课时，重点在于引导学生了解计算机的发展历史。

2.Learning about language作为一课时，着重帮助学生分析文章中的语言点和掌握本单元的语法项目。

3.Using language中的listening和speaking作为一课时，引导学生进一步了解和谈论关于IT的知识。

4.Using language中的reading和writing作为一课时，旨在激发学生对于计算机兴趣以及设计机器人。

Step 1 Leading in Riddles (谜语) a.

I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.

b.

I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.

c.

I am very big. Scientists use me to solve some mathematical problems.

d.

I’m a machine that works automatically. I can do a wide variety of tasks, especially suitable for doing jobs too boring, difficult,or dangerous for human beings.

Step 2

Fill the word or expression for each of the following meanings from the text. 1 _________ complete change in ways of thinking, working, etc 2 ________ connected computer system 3 _________ to make things easier 4 _________ to find the answer using numbers 5 _______can be moved easily from place to place 6 _______ to work out the answer to a problem 7 _______to travel around an area to

find out about it 8 _______ completely 9 ________ anyway 10 _______ activity of managing money

Step3

Complete the passage with the words below. artificial

technology

intelligent

applications

explore

Web

reality

logically My brother was very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made good use of it. He liked to ________ the

World Wide _______ and used the Internet to communicate with computer programmers all over the world. When he went to university he studied IT (information ___________)and developed a special in ________ intelligence. After developing special ____________of the computer, he hopes to design an __________ robot which can think ________ and look like human being, but in ________ he was a long way to go. Step4 Language points 1. as a result 结果

1) He didn’t work hard, as a result he failed his exam.

他不用功, 结果考试不及格。

2) Five hundred jobs were axed as a result of government spending cuts.

由于政府缩减经费的缘故, 有五百人被突然解雇了。

3) He was late as a result of the snow.

由于大雪他迟到了。

2 .so…

that…

如此……以致于……

与

too…to…

句型的相互转换

e.g. He is so old that he can’t carry the box.

He is too old to carry the box.

此结构中的that从句表示结果。

The stone is so heavy that no one can lift it.

比较: so that 既能表结果，也能表目的。

3.Difficult sentences analysis I am now truly filled with happiness that I am a devoted friend and helper of the human race!

4.The Present Perfect Passive Voice 现在完成时的被动语态表示动作发生在过去, 到现在已经完成或对现在仍有影响。

The structure of the present perfect passive voice is: have / has ＋

been＋~ed 现在完成时被动语态的肯定式为：

have / has + been + done The experiment has been done successfully.

这个实验做得很成功。

现在完成时被动语态的否定式为：have / has + not + been + done Tom’s novel has not been published.

汤姆的小说还没有被出版。

现在完成时被动语态的一般疑问句需将have / has提到主语的前面。

Has his bike been repaired?

他的自行车修好了吗？

现在完成时被动语态的特殊疑问句为：疑问词

+ have / has + been + done Who has been invited?

谁受到了邀请？

Step5 Homework --Writing Write a description of your android and what it can do. You may draw a picture of it if you wish. Use your notes and the sample passage on page 24 to help you. Step 6 Blackboard design

The Present Perfect Passive Voice The structure of the present perfect passive voice is: have / has ＋

been＋~ed 现在完成时被动语态的肯定式为：

have / has + been + done

The experiment has been done successfully.

现在完成时被动语态的否定式为：have / has + not + been + done Tom’s novel has not been published.

现在完成时被动语态的一般疑问句需将have / has提到主语的前面。

Has his bike been repaired?

现在完成时被动语态的特殊疑问句为：疑问词

+ have / has + been + done Who has been invited?