Learning about Language名师教学视频（文字实录）

必修二Unit 3

Computers 导（学）案

白水中学

英语科

教（学）案

课题

Unit3

Computers

Reading: Who am I 班级

高一1班

授课（完成）时间

45分钟

教师（学生）

知识教

学

目

标

李丹

1. Get the students to learn the useful and expressions in this part. 目标

2. Let students to learn about history and basic knowledge of computers. 能力Develop students' reading abilities and let them learn different reading 目标

skills. 情感Arouse students' great interest in learning computers and let them learn to 目标

use the computers in their daily lives. 重点1. Let the students learn more about history and basic knowledge of computers. 难点

2. Get the students to learn different reading skills. 四步

Let’s guess who I am:

①

With me you can watch different programs just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes. 引入

背景话题

②

I am a machine which is a good helper in doing house work.

I wash clothes for people.

③

A machine that you use to talk to other people even in a far-away place.

We are connected by wire or radio. Now each of us often has a number.

学习内容及流程设计

1

④

It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…

⑤

It is a kind of computer which can be taken conveniently like a notebook.

Fast reading Task1. Can you put these inventions in an order according to the time when they appeared? (

) Analytical machine（分析机）

(

) Laptop (

) Calculating machine （计算机器）

(

) Robot／android (

) PC (

) Universal machine（通用机器）

Task2.Find out the main idea of the passage and the topic sentences of each 阅读paragraph. 理解

This passage is about the

of computers. Para1

Para2

Para3

Careful reading Task1. True or False 1.

In 1642 I began as a calculating machine and could solve any mathematical problem.

（

）

2.

My real father was Charles Babbage, who wrote a book and built me in 1936.

（

）

3.

After I got my new transistors in the 1960s, I became smaller but cleverer

2

and quicker.

（

）

4.

I was brought into people's homes in the 1970s.

（

）

5.

Since my birth I have been built to take the place of human race.

（

）

Task2. Look at the timeline below. Fill in the blanks with information from the reading text. Time 1642 1822

The development of the computers

The Analytical Machine was made by Charles Babbage.

1940s

The first family of computers was connected to each other.

1970s

now People all over the world can ______

______each other by computers.

Summary: I began as a __________ machine in 1642 in France. In 1822 I was built as an ____

___ machine. Then in 1936 Alan Turing wrote a book and built a 总结巩固

__________ machine. As time __

_ __

_, I was made smaller but my memory got ______ and ______. In the 1960s they gave me a family connected by a ________. Now people call it the Internet. I was used in______ and ______ since the 1970s. Since my birth I have truly been built to serve the human race. Discussion：

What are the advantages and disadvantages of the computers? In my opinion, I can use the computer to….

Advantages 小组讨论

Disadvantages

3

课后1.熟读课文,按时间顺序复述课文,记住文中的黑体字. 作业

2.记住文中的重点句子，并划出文中的被动语态结构。

4