题目内容

_________ students will go to the beach for the picnic.

A. Two hundred of B. Two hundred

C. Two hundreds of D. Two hundreds

 

B

【解析】

试题分析:句意:两百名学生将去沙滩去野餐。hundred 百,与数词连用时,没有复数形式;或没有数词,用hundreds 后加介词of,组成短语hundreds of ,表示成百上千的。故选B。

考点:考查词。

 

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Many children think mobile phones are cool. They come in fun colours and you can talk with a friend anytime and anywhere.

In the USA, more than 90 million people use mobile phones. Many of those people are children. For children, mobile phones are more than phone calls. They are fashionable.

Most mobile phone users don’t think about the health problems caused by mobile phones. Some scientists say that mobile phones give off radiation(辐射) that might be bad for users. One recent study shows that mobile phone radiation might raise a person’s chance of getting some kinds of cancer. Other scientists say mobile phones are not bad for people’s health. They say that they didn’t find any link between mobile phone use and cancer.

Scientists say that people can protect themselves from mobile phone radiation. One way is to use a earphone, or people can make shorter calls.

1.Many children like mobile phones because they think mobile phones are _________.

A. cool B. colourful

C. cheap D. their toys

2. In the USA, who thinks mobile phones are more than phone calls?

A. women B. men

C. scientists D. children

3.Which of the following sentences is true?

A. All scientists think mobile phones are bad for users.

B. Some scientists think mobile phones are bad for users.

C. Mobile phones can make people die.

D. Mobile phones are only bad for children.

4.The underlined word “give off” in the passage means “________”.

A. 发出 B. 放弃

C. 远离 D. 传播

5. To protect themselves from mobile phone radiation, people can ________________.

A. make longer calls B. use a earphone

C. make shorter calls D. both B and C

 

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