第4部分：閱讀理解（第31～45題，每題3分，共45分）

下面有3篇短文，每篇短文后有5道題。請根據短文回答其后面的問題，為每題確定一個最佳答案。

第一篇 Cell Phones: Hang Up or Keep Talking?

Millions of people are using cell phones today. In many places it is actually considered unusual not to use one. In many countries, cell phones are very popular with young people. They find that the phones are more than a means of communication-having a mobile phone shows that they are cool and connected.

The explosions around the world in mobile phone use make some health professional worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.

On the other hand, why do some medical studies show changes in the brain cells of some people who use mobile phones? Signs of change in the issues of the brain and head can be detected with modern scanning (掃描) equipment. In one case, a traveling salesman had to retire at a young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree.

What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about.

As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often

31 People buy cell phones for the following reasons EXCEPT that

A they're popular

B they're useful

C they're convenient

D they're cheap

32 The world "detected" in paragraph 3 could be best replaced by

A cured

B removed

C discovered

D caused

33 The salesman retired young because

A he couldn't remember simple tasks

B he disliked using mobile phones

C he was tired of talking on his mobile phone

D his employer's doctor persuaded him to

34 On the safety issue of mobile phones, the manufacturing companies

A hold that the amount of radiation is too small to worry about

B deny the existence of mobile phone radiation

C develop new technology to reduce mobile phone radiation

D try to prove that mobile phones are not harmful to health

35 The writer's purpose of writing this article is to advise people

A to buy mobile phones

B to use mobile phones less often

C to update regular phones

D to stop using mobile phones

本題分數（15）

第4 部分：閱讀理解

31 D 第一段里講到了人們擁有手機的幾種理由，其中不包括手機便宜 ( cheap) 這一條。

32 C detect意為"覺察、發現"，故可用discover。

33 A 第三段里把這名推銷員年紀輕輕就要退休的原因講得十分明白：a traveling salesman had to retire at a young age because of serious memory loss. He couldn't remember even simple tasks.

34 A 請見第四段里的這句話：Mobile phone companies agree that there is some radiation ，but they say the amount is too small to worry about.它們并不否認手機有輻射，但聲稱輻射量很小無需擔心。

35 B 作者建議大家少用手機，這一點在最后一段里可以清楚地看到。

（責任編輯：vstara）

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