Chen Danhong works in Beijing. She says the day really just begins after about 8 pm. “When I get home I’m feeling tired, but that suddenly turns to excitement and I go on the Internet, read books or watch movies. I’ll be playing video games and keeping on saying to myself, ‘This is the last one’ before I finally realize that it’s 2 o’clock,” she said.

For most of us like Chen, breaking promises about getting enough sleep has become a way of life. We know that if things go on like this it’s going to be detrimental to our health, but we just can’t help ourselves.

Nanguo Morning News did a study, and 2,000 people took part in it. 43 percent of them said they sleep late every day because they feel that the only time of the day that truly belongs to them is just before they go to bed. About 36 percent of people said they go to bed late at least three days a week, and only 2 percent said they never go to bed late. 64 percent said they go to sleep late because they watch TV, read books or use their mobile phones. 40 percent said they do not want to go to bed too early even if they have nothing to do.  

“The mentality(心态) of going to bed late is in fact redemptive(救赎的), and people believe that at night they are making up for the day,” says Yan Lixin, a doctor in the Department of Mental Health of the Second Hospital of Lanzhou University.

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1.Why did the writer talk about Chen Danhong?

A To show us Chen’s life.

B To make the passage fun.

C To tell us a story.

D To bring up the topic.

解析：选D。D推理判断题。根据第二段第一句“For most of us like Chen, breaking promises about getting enough sleep has become a way of life.”可知，作者举了Chen的例子来引出话题——大多数人有睡眠问题。故选D。

2.What does the underlined word “detrimental” mean?

A Bad.

B Happy.

C Tired.

D Creative.

解析：选A。A词义猜测题。根据前面提到的大多数人有睡眠问题以及划线句子后半句“but we just can’t help ourselves.”可知，我们知道熬夜对身体不好，但我们控制不住自己。故选A。

3._________ people never go to bed late in the study.

A 2

B 20

C 4

D 40

解析：选D。D数字计算题。根据第三段第一句“and 2,000 people took part in it.”和第三句的“only 2 percent said they never go to bed late”可知，两千个人参与了这次调查，其中有百分之二，即(2000×2%=)40个人从不熬夜。故选D。

4.Which of the following opinions is most likely to make people stay up?

A I like playing with my phone at night.

B Only the night belongs to me.

C I can’t do anything well.

D The world is full of happiness.

解析：选B。B细节理解题。根据最后一段的“The mentality of going to bed late is in fact redemptive, and people believe that at night they are making up for the day”可知，晚睡的心态显然是一种救赎，人们认为，晚上在某种程度上弥补了白天的不足，即他们认为只有晚上的时间属于自己，所以想好好享受晚上的时间。故选B。

5.What’s the best title(标题) for the passage?

A The reason for good sleep.

B The importance of sleep.

C The trouble with sleep.

D The way of falling asleep.

解析：选C。C主旨大意题。根据全文内容可知，本文主要讲述了现在大多数人都存在的睡眠问题(晚睡)。故选C。