How to Look After a Computer Many young people use computers, but few of them know how to look after them. Remember the following when you use your computer. 1． Keep your computer in a cool, dry room 题目和参考答案——青夏教育精英家教网—

题目内容

How to Look After a Computer

Many young people use computers, but few of them know how to look after them. Remember the following when you use your computer.

1． Keep your computer in a cool, dry room. 71 Most computers work best at a temperature of 5℃-30℃.

2． 72 Smoke of all kinds is very bad for many parts of a computer and can cause many problems.

3． 73 Pieces of food and a little water in the keyboard can also cause many problems.

4． Make sure that the keyboard and screen are at the correct height for you.

5． Make sure the screen（屏幕）is the correct distance (距离) from your eyes. If you wear glasses, make sure these glasses are correct for using the computer. 75

6． Keep your screen clean and don’t make it too bright. A dirty or a very bright screen can hurt your eyes.

在方框中选择恰当的句子补全以上短文，将序号填在相应的横线上。（5分）

A. Some people use a different pair of glasses when using a computer.

B. Too much or too little heat (热量) is bad for computers.

C. Don’t eat or drink when you are near your computer.

D. If they are not at the correct height, you will get a backache.

E. Don’t let people smoke near your computer.

71._______ 72._______ 73._______ 74._______ 75._______

B E C D A

练习册系列答案

相关题目

阅读理解

　　Tea, coffee and cocoa are three major drinks all over the world．Tea is drunk by the largest number of people in the world．Tea, as well as silk and porcelain, began to be known by the world over a thousand years ago and has been an important Chinese export since then．

　　Tea has a history of over 4, 000 years and China is the home of tea．In ancient China, tea was used as a kind of medicine, while nowadays people drink tea daily．

　　Longjing, Pu'er, Wulong and Tieguanyin are all famous tea．Thanks to the mild climate and rich soil in Fujian, Zhejiang and Yunnan, tea is produced mainly in these provinces．

　　The word for tea in different languages came from Chinese, like "cha'i" in Russian．And the Japanese character for tea is written exactly the same as it is in Chinese．

　　Over the past centuries, Chinese people have developed their unique tea culture, which includes tea planting, tea-leaf picking, tea making, tea drinking and so on．Tea is also popular in some sayings, like "A friendship between gentlemen is like a cup of tea．" In dances, songs, poems and novels, tea is often mentioned．loo．

根据短文内容，从题中所给的A、B、C、D四个选项中，选择最佳答案。

(1)

How many drinks are mentioned in this passage?
[　　]
A．	Three．
B．	Four．
C．	Five．
D．	Six．

(2)

Tea is produced mainly in Fujian, Zhejiang and Yunnan because _________．
[　　]
A．	they are all big provinces
B．	they are all close to the sea
C．	there are quite a lot of mountains there
D．	the climate ia mild and the soil is rich there

(3)

The underlined sentence “ A friendship between gentlemen is like a cup of tea．" in the last paragraph means _________．
[　　]
A．	一个朋友就是一杯茶
B．	君子之交淡如水
C．	看到朋友就会想起茶
D．	绅士才能够喝茶

(4)

Which of the following is TRUE according to the passage?
[　　]
A．	Tea, cocoa and silk are important Chinese exports．
B．	Tea has more than 1, 000 years of history．
C．	Japan is the home of tea．
D．	In ancient China, people used tea as a kind of medicine．

(5)

Which is the best title for the passage?
[　　]
A．	China's Tea Culture
B．	A Saying of Tea
C．	Drinks in the World
D．	Tea and Coffee

Tea has a history of over 4 , 000 years and China is the home of tea. In ancient China, tea was used as a kind of medicine, while nowadays people drink tea daily.

Longjing, Pu'er, Wulong and Tieguanyin are all famous tea. Thanks to the mild climate and rich soil in Fujian, Zhejiang and Yunnan, tea is produced mainly in these provinces.

The word for tea in different languages came from Chinese, like "cha'i" in Russian. And the Japanese character for tea is written exactly the same as it is in Chinese.

Over the past centuries, Chinese people have developed their unique tea culture, which includes tea planting, tea-leaf picking, tea making, tea drinking and so on. Tea is also popular in some sayings, like "A friendship between gentlemen is like a cup of tea." In dances, songs, poems and novels, tea is often mentioned. loo.

根据短文内容，从题中所给的A、B、C、D四个选项中，选择最佳答案。(10分)

( ) 63. How many drinks are mentioned in this passage?

A. Three. B. Four. C. Five. D. Six.

( ) 64. Tea is produced mainly in Fujian, Zhejiang and Yunnan because__________.

A. they are all big provinces

B. they are all close to the sea

C. there are quite a lot of mountains there

D. the climate ia mild and the soil is rich there

( ) .65. The underlined sentence “ A friendship between gentlemen is like a cup of tea. " in the last paragraph means_________.

A. 一个朋友就是一杯茶

B. 君子之交淡如水

C. 看到朋友就会想起茶

D. 绅士才能够喝茶

( ) 66. Which of the following is TRUE according to the passage?

A. Tea, cocoa and silk are important Chinese exports.

B. Tea has more than 1, 000 years of history.

C. Japan is the home of tea.

D. In ancient China, people used tea as a kind of medicine.

( ) 67. Which is the best title for the passage?

A. China's Tea Culture B. A Saying of Tea

C. Drinks in the World D. Tea and Coffee

Tea, coffee and cocoa are three major drinks all over the world. Tea is drunk by the largest number of people in the world. Tea, as well as silk and porcelain, began to be known by the world over a thousand years ago and has been an important Chinese export since then.
Tea has a history of over 4 , 000 years and China is the home of tea. In ancient China, tea was used as a kind of medicine, while nowadays people drink tea daily.
Longjing, Pu'er, Wulong and Tieguanyin are all famous tea. Thanks to the mild climate and rich soil in Fujian, Zhejiang and Yunnan, tea is produced mainly in these provinces.
The word for tea in different languages came from Chinese, like "cha'i" in Russian. And the Japanese character for tea is written exactly the same as it is in Chinese.
Over the past centuries, Chinese people have developed their unique tea culture, which includes tea planting, tea-leaf picking, tea making, tea drinking and so on. Tea is also popular in some sayings, like "A friendship between gentlemen is like a cup of tea." In dances, songs, poems and novels, tea is often mentioned. loo.
根据短文内容，从题中所给的A、B、C、D四个选项中，选择最佳答案。(10分)
【小题1】 How many drinks are mentioned in this passage?

【小题2】Tea is produced mainly in Fujian, Zhejiang and Yunnan because__________.

A．they are all big provinces

B．they are all close to the sea

C．there are quite a lot of mountains there

D．the climate ia mild and the soil is rich there

【小题3】The underlined sentence “ A friendship between gentlemen is like a cup of tea. " in the last paragraph means_________.

【小题4】Which of the following is TRUE according to the passage?

A．Tea, cocoa and silk are important Chinese exports.

B．Tea has more than 1, 000 years of history.

C．Japan is the home of tea.

D．In ancient China, people used tea as a kind of medicine.

【小题5】Which is the best title for the passage?

A．China's Tea Culture	B．A Saying of Tea
C．Drinks in the World	D．Tea and Coffee