It is a very common thing for a person to have a: good friend. My good friend is Diana. She is a rich and proud girl. She often thinks that she is too good for anyone, so nobody wants to be her friend.

One day after school, I was waiting for Diana when Vivian came up to me. She gave me a biscuit, t accepted (接受) it. We talked and joked, and from then on, I began to spend more time with Vivian than with Diana. I felt a little uneasy.

After a few days, I went to see Diana for some snacks when Vivian came and sat with me. She gave me a sandwich. She also gave one to Diana, but Diana refused(拒绝) it. She walked away. I was angry with Diana for being so rude.

"Never mind," Vivian said. "I'm used to it."

After school,I tried to catch up with Diana. While walking home, I tried to correct her attitude, but she would not listen to me. She said, "Go and join your 'dear' Vivian. I know you make new friends and forget the old ones."

For the next few weeks, we did not talk to each other. Then, one day, Diana came to Vivian and me, saying,"I'm really sorry about what I did. I'm a spoiled (宠坏的) girl, but I also need good friends just like you. Would you please forgive (原谅) me?" Vivian and I looked at each other and smiled. From then on, Diana, Vivian and I have been best friends.

1.The writer was angry with Diana

A. because she was too good for anyone

B. when Diana refused Vivian's sandwich

C. though she asked the writer to forgive her

D. so Diana walked away

2.According to (根据) the passage, it is clear that_____________.

A. Diana and the writer are good friends

B. Diana didn't like sandwiches

C. Vivian didn't want to make new friends at all

D. the writer forgot her old friends after she had newones

3.Vivian's saying "I'm used to it" shows that___________.

A. someone refused to give her things

B. Vivian used to be rude to others

C. she liked to be refused

D. some people were rude to her before

4.Diana asked Vivian and the writer to forgive her because_____________.

A. they didn't spend much time with her

B. she realized(认识到) she was wrong

C. Vivian and the writer didn't talk to her

D. she was a rich and proud girl

5.The reading is mainly about___________.

A. the mistake among the three friends

B. two best friends at a school

C. three friends at a school

D. the trouble between Diana and Vivian

Spending two or three hours playing outdoors each day can reduce(减少)a child's chance of becoming short-sighted (近视), research shows. It challenges the belief that short-sightedness

is caused by computer use, watching TV or reading in weak light.

Australian government researchers believe that sunlight is good for people's eyes.They compared the vision(视力) and habits of 100 seven-year-old children in China and Australia. In all, 30% of the Chinese children were short-sighted. This percentage was ten times higher than Australian children.

Both groups spent a similar amount of time reading, watching TV and playing computer games. However, the Australian children spent an average of two hours a day outdoors-90 minutes more than the Chinese children.

Professor Ian Morgan said, "Humans are naturally long-sighted, but when people begin to go to school and spend little or no time outdoors, the number of short-sighted people gets larger. We are also seeing more and more short-sighted children in cities all around the world-and the main reason may be that city children spend less time outdoors."

Daylight can be hundreds of times brighter than indoor light. But why does playing outside prevent us from becoming short-sighted? Scientists believe that natural light has a special chemical (化学物质)which stops the eyeball from growing out of shape and prevents people from becoming short-sighted.

So go outdoors. It doesn't matter if that time is spent having a picnic or playing sports.

1.What can reduce a child's chance of becomingshort-sighted according to the passage?

A. Playing computergames. B. watching TV.

C. Reading books. D. Playing outdoors

2.What does the underlined word "percentage"mean?

A. 百分比 B. 功率 C. 平均分 D. 效率

3.How much time did the Chinese children spend outdoors every day?

A. 2 hours. B. 90minutes. C. 1 hour. D. 30 minutes.

4.What is the fifth paragraph mainly about?

A. Why people become short-sighted.

B. Why natural light has a special chemical.

C. Why playing outside is good for one's eyesight.

D. Why daylight is much brighter than indoor light.

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