Unit3Computers教学设计

详细内容

puters.

1. Ability aims

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

3.Emotion aim:

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

Teaching difficult and important points

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

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 puters? (Make a survey)

1. What does IT mean?

Information technology

2. How to speak 科学技术 in English?

Science and technology

3. What does PC mean?

Personal puter

4. How to speak 人工智能 in English?

Artificial intelligence

5. What does PDA mean?

Personal digital assistant

6.How to speak 笔记本电脑 in English?

Notebook puter/ laptop

7. What does W.W.W mean?

World wide web

8. What can puters be used to do in our daily life?

……

Task2: What is it?

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 puter

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

A PC / desktop

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

A laptop / notebook puter

Step2.pre-reading

Can you put these inventions in an order aording 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

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)

(3)Careful- reading

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

Time

The development of the puters

1642

1822

The Analytical Machine was made by Charles Babbage.

1940s

The first family of puters was connected to each other.

1970s

now

1642: The puter began as a calculating machine

1822: The Analytical Machine was made by Charles Babbage.

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

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

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

1970s: puters were used in offices and homes

Now: puters connect people all over the world together.

Step4. Conclusion of the text

How did puters develop?

A calculating machine →_____________→ _________________→_________________→________________→_____________→ ________________→________________→_ many new applications