Learning about Language教案推荐

Unit 3 Computers Warming Up, Pre-reading and Reading Teaching aims

1.Knowledge aims

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

(2)Let students to learn about history and basic knowledge of computers.

1. Ability aims

Develop students' reading abilities and let them learn different reading skills.

3.Emotion aim:

Arouse students' great interest in learning computers and let them learn to use the computers in their daily lives.

Teaching difficult and important points

1.Let the students learn more about history and basic knowledge of computers.

2.Get the students to learn different reading skills.

Teaching methods

1. Task-based teaching and learning

2.Cooperative learning

3.Discussion

Teaching procedures and ways

Step1.Warming up

Task1: How much do you know about computers? (Make a survey)

1. What does IT mean? 2. How to speak 科学技术

in English? 3. What does PC mean? 4. How to speak 人工智能

in English? 5. What does PDA mean? 6.How to speak 笔记本电脑

in English? 7. What does W.W.W mean? 8. What can computers be used to do in our daily life? Task2: What is it?

Information technology Science and technology Personal computer Artificial intelligence Personal digital assistant Notebook computer/ laptop World wide web ……

Give some sentences to describe different kinds of calculating objects and some pictures to help the students to guess what it is?

① An old calculating machine used in China until now.

An abacus

② It is a new calculating machine which can solve a large number of

mathematical problems.

A calculator

③ It is built to solve some mathematical problems. But it is too big.

A huge computer

④ It is a computer which can solve all kinds of problems and is used widely now .

A PC / desktop

⑤ It is a kind of computer which can be taken conveniently(方便).

A laptop / notebook computer

Step2.pre-reading

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）

Step3. Reading

(1)Skimming

Task1. Find out the topic sentences of each paragraph (P19.Ex2)

Task2 .Summarize the general idea of this passage.

(2)Scanning

Task1. True or False

1.

2.

3.

4.

5.

6.

7.

8.

9.

In 1642 I began as a calculating machine and could solve any mathematical problem. (F: solve any calculating problem)

My real father was Charles Babbage, who wrote a book and build me in 1936.(F: Alan Turning)

After I got my new transistors in the 1960s, I became smaller but cleverer and quicker.(T)

I was brought into people's homes in the 1970s.(T)

Since my birth I have been built to take the place of human race.(F: build to serve human race)

10.

(3)Careful- reading

Task 1: Look at the timeline below. Fill in the blanks with information from the reading text.

The Analytical Machine was made by Charles Babbage.

1940s

The first family of computers was connected to each other. 1970s

now

Time

1642

1822

The development of the computers

1642: The computer began as a calculating machine

1822: The Analytical Machine was made by Charles Babbage.

1936: The computer grew rapidly both in size and in brainpower.

1940s: The computers had grown as large as a room.

1960s: The first family of computers was connected to each other.

1970s: Computers were used in offices and homes

Now: Computers connect people all over the world together.

Step4. Conclusion of the text

How did computers develop?

A calculating machine

→_____________→ _________________→_________________→________________→_____________→ ________________→________________→_ many new applications