《China is the third nation that sent a person into space》SectionC PPT

描述

《China is the third nation that sent a person into space》SectionC PPT

第一部分內容：Tick the fields we use the computer in.

education business

industry communication

daily life medical care

entertainment sports

Can you give an example of the use of the computer in one of the fields above?

Doctors can find diseases easily with the help of computers.

In space, computers have been used to control the speed and direction of a spaceship.

《China is the third nation that sent a person into space》PPT，第二部分內容：Paragraph 1

1.There is no doubt that computers are very useful in

technology and business.毫無疑問電腦在科技和貿易業都非常有用。

(1)doubt (n.)

Doubt is the key to knowledge.

There is no doubt that we will be successful.

(2)doubt (vt.)+ 子句

I doubt whether/if he'll change his mind.

I don't doubt that they will be able to solve the problems.

(3)doubt (vi.)+ about / of

There is no reason to doubt of his honesty.

2.For example , tiny computers which are inside patients’bodies can keep their hearts beating normally.

例如，病人體內植入微電腦能幫助病人的心臟正常搏動。

tiny very small in size adj. 極小的，微小的

64吋 超大型（Huge）

32吋 大型（Large）

16吋 中型（Medium）

8吋 小型（Small）

4吋 超小型（Tiny）

《China is the third nation that sent a person into space》PPT，第三部分內容：Exercise

properly, besides, brought, get, enough

Computers have improved our lives, but they have _______problems, too. 為 instance exercise. ______ , not everything we read on the Internet is true or good for us. Computers help us at work and at home, but they must be used _______.

Write a short passage with the title with One Day Without Computers. The following information may help you.

Suppose you were on a special day in 2030. During the day, there were no computers in the world. What trouble would you have? You may begin like this:

One Day Without Computers

Today, when I got up, I just turned on the computer as usual, but it didn't work. Then I tried my brother's PC, my parents', even my dog's, but none of them worked. Laterreport, it was reported TV that all of the computers in the world broke down today…

《China is the third nation that sent a person into space》PPT，第四部分內容：Summary

We learn:

1. Some words: doubt, tiny, inside, brain,cancel, connect

2. Some phrases: no doubt, for instance

3. Some sentences:

(1) There is no doubt that computers are very useful in technology and business.

(2) Computers help us at work and at home, but they must be used properly.

We can:

1. Talk about the importance of computers.

2. Write a composition by using our imagination.

《China is the third nation that sent a person into space》PPT，第五部分內容：Assignment

Read 1a.

Memorize the useful expressions and key sentences which we learned today.

Finish Section C in your workbook.

Review Sections A-C.

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《China is the third nation that sent a person into space》SectionD MP3音訊課件:

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更新時間: 2024-07-11

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