题目内容

【题目】

Are you sometimes a little tired and sleepy in the early afternoon? Many people feel this way after lunch. They may think that eating lunch is the cause of the sleepiness. Or, in summer, they may think it is the heat. However, the real reason lies inside their bodies. At that time—about eight hours after you wake up—your body temperature goes down. This is what makes you slow down and feel sleepy.

Scientists have tested sleep habits in experiments where there was no night or day. The people in these experiments almost always followed a similar sleeping pattern. They slept for one long period and then for one short period about eight hours later.

In many parts of the world, people takenapsin the middle of the day. This is especially true in warmer climates, where the heat makes work difficult in the early afternoon. Researchers are now saying that naps are good for everyone in any climate. A daily nap gives one a more rested body and mind and therefore is good for health in general. In countries where naps are traditional, people often suffer(遭受) less from problems such as heart disease. Many working people, unfortunately, have no time to take naps. Though doctors may advise taking naps, employers do not allow it!

If you do have the chance, however, here are a few tips about making the most of your nap. Remember that the best time to take a nap is about eight hours after you get up. A short sleep too late in the day may only make you feel more tired and sleepy afterward. This can also happen if you sleep for too long. If you do not have enough time, try a short nap—even ten minutes of sleep can be helpful.

1Why do you sometimes feel sleepy in the early afternoon?

A. Because it’s very hot in summer.

B. Because you eat too much for lunch.

C. Because you didn’t have a good sleep last night.

D. Because your body temperature goes down at that time.

2What advice does the writer give on taking a nap?

A. If your time is limited, a short nap can also help.

B. Only people in warmer climate need to take a nap.

C. You’d better take a nap about an hour after you have lunch.

D. You can sleep as long as you like so that you won’t feel tired or sleepy.

3What can we learn about “naps” according to the third paragraph?

A. Doctors need to take naps while employers don’t.

B. Taking naps is helpful for people’s health in spring and summer.

C. If you take naps every day, you’ll have less risk of heart disease.

D. All the people in warmer climates take naps in the middle of the day.

4What can we infer(推断) from the passage?

A. You will feel less sleepy if you sleep for a long time.

B. Taking a nap whenever you want will do good to your health.

C. If you get up at 6:30 am, you’d better take a nap at about 2:30 pm.

D. Sleeping for eight hours and you’ll feel sleepy a short period later.

5What would be the best title for the text?

A. Just For a Rest. B. All For a Nap.

C. A Special Sleep Pattern. D. Taking Naps in Warmer Climate.

【答案】

1D

2A

3C

4C

5B

【解析】试题分析:短文大意:这篇短文主要讲述了人们累了或者是在夏天的午后都会休息或睡觉,休息好对于人们的身体是有好处的。

1D细节理解题。根据短文第一段最后两句At that time—about eight hours after you wake up—your body temperature goes down. This is what makes you slow down and feel sleepy可知,因为你的体温在那个时候下降了。所以该选D

2A细节理解题。根据短文最后一句If you do not have enough time, try a short nap—even ten minutes of sleep can be helpful.可知,作者的建议是:如果你的时间有限,一个短暂的午睡也可以有帮助。所以该选A

3C细节理解题。根据第三段第四行 In countries where naps are traditional, people often suffer(遭受) less from problems such as heart disease.的描述,可知如果你每天小睡,你得心脏病的风险就少。所以该选C

4C细节推断题。根据短文第一段倒数第二句At that time---about eight hours after you wake up, your body temperature goes down.可知如果你早上六点半起床,最好的小睡时间是14:30.。所以该选C

5B标题归纳题。通读全文可知主要讲述的是小睡对人们的身体有好处。所以该选B

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【题目】A 15-year-old student who invented a flashlight(手电筒) getting power from the holder's body heat is going home today from California with a big prize and a chance to do further research.

Ann Makosinski was the only Canadian among the four winners at Google's international science competition. Thousands of young scientists from around the world took part in the competition.

Winning the science and technology competition was "a surprise". Ann said, "I think it will have a great influence on my future."

Ann thanked her family for encouraging her interest in science and said that her first toy was a box of transistors(晶体管).

Ann's prize includes $ 25,000 and a "once in a-lifetime expericnce" from Google for her Hollow Flashlight, which has no moving parts or batteries.

The idea for the invention came from seeing unwanted batteries and her friend's experience. When Ann visited a friend in the Philippines, she saw the friend couldn't study when it became dark because there was no electricity or light. She saw the need for a flashlight that has no batteries - Hollow Flashlight.

In her project, Ann wrote "I made two flashlights that do not use any batteries or harmful materials. They do not create any noise and will always work. The flashlight needs at least a 5℃ temperature difference between the holder's body and the environment around to produce light."

A video of Ann explaining how she creatcd the flashlight has been watched more than 1.4 million times on the Internet.

Though Ann was successful, she has not made a decision about her career path. Ann hopes that she can find a way to join her love of film and science together.

The four winners were chosen from 15 final competitors from eight countries. The competition attracted thousands of students in 120 countries.

1In which part of a newspaper can we probably read this passage?

A. Travel. B. Culture. C. Technology. D. Advertisement.

2The first paragraph is written to be a(n) ________.

A. introduction B. warning C. argument D. discussion

3Paragraph 6 mainly tells us ________.

A. what Ann saw in the Philippines B. why Ann invented Hollow Flashlight

C. how Ann's family encouraged her interest D. what prize Ann got for Hollow Flashlight

4According to the passage, we learn ________.

A. easy to win the international science competition

B. Hollow Flashlight is safe, noiseless and can save energy

C. Ann has made a decision to be a scientist in the future

D. few people are interested in how Ann created the flashlight

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