When US student Olivia Priedeman, 17, woke up one mornin Wap版

试题详情及答案解析

When US student Olivia Priedeman, 17, woke up one morning, she thought she had had a dream about making plans with a friend. But it wasn’t a dream. Her phone showed that during the night, Priedeman had read a text message from her friend. She did it while she was fast asleep.
Reading and responding (反应) to text messages while asleep – called “sleep texting” – is an unusual sleep behavior, similar to sleepwalking. It’s also a growing concern among doctors: young people can’t live without their cell phones.
One in three teenagers sends more than 100 text messages a day, according to the Pew Internet & American Life Project. And at least four out of five teenagers said they sleep with their phone on or near their bed.
Elizabeth Dowdell, a professor at Villanova University in Pennsylvania, has studied sleep texting. She said that having a phone nearby all night is a big part of the problem.
“That phone is in bed with them or sometimes on top of their chest when they’re sleeping or even in their hand. So the response is kind of automatic (自动的),” she said.
Andrew Stiehm, a sleep medicine expert with Allina Health in Minnesota, agrees. It’s possible for the part of the brain that controls motor (运动神经) skills to wake up, while the part of the brain that controls memory and judgment may remain asleep. That’s why some people can perform basic movements – such as walking, talking, texting or even driving – while they’re sleeping.
Some of Dowdell’s students have admitted that they’re disturbed by their nighttime texting behavior. But because sleep texting is unconscious (无意识的), it’s a difficult habit to break.
Dowdell said she knows of some students who wear socks on their hands to keep themselves from texting.
Marjorie Hogan, a doctor at Hennepin County Medical Center in Minneapolis, Minnesota, suggests keeping all electronic devices outside the bedroom at certain times.
Shay Radhakrishnan, 16, admits that she sleeps with her phone. But now the practice is giving her some pause (停顿).
“A lot of people leave their phones on their side tables, but for some reason I leave mine on my bed,” she said. “It is probably dangerous because it will probably wake me up a lot more – and probably cause me to start sleep texting.”
【小题1】What happened to Olivia Priedeman?

A．She sleepwalked to a friend’s house.

B．She phoned one of her friends during the night.

C．She dreamed of making plans with a friend.

D．She read a text message from her friend while asleep.

【小题2】How does sleep texting happen?

A．Some parts of the body are out of control during sleep.

B．The brain part controlling motor skills wakes up during sleep.

C．The brain part controlling judgment stays awake during sleep.

D．The brain part controlling memory becomes unconscious during sleep.

【小题3】What does doctor Hogan suggest people who sleep text do?

A．Stop texting during the daytime.

B．Keep their phones out of their bedrooms while they sleep.

C．Take some medicine to control the behavior.

D．Wear socks on their hands to stop themselves from texting.

【小题4】Which of the following statements about sleep texting is TRUE?

A．Sleep texting can reduce the quality of one’s sleep.

B．It’s easy to break away from a sleep texting habit.

C．Sleep texting does more harm to one’s health than sleepwalking.

D．One in three teenagers has a sleep texting habit.

答案：【小题1】D
【小题2】B
【小题3】B
【小题4】A

试题分析：本文讲述睡眠短信的成因以及危害
【小题1】D细节理解题。根据第一段最后一句Priedeman had read a text message from her friend. She did it while she was fast asleep她睡着的时候读了一条来自朋友的短信，故选D
【小题2】B细节理解题。根据第六段第二句It’s possible for the part of the brain that controls motor (运动神经) skills to wake up很可能是控制大脑运动神经的部分醒了，故选B
【小题3】B细节理解题。根据倒数第三段最后一句suggests keeping all electronic devices outside the bedroom at certain times.建议把所有电子设备在特定时间放在卧室外，即睡觉时把手机放在卧室外，故选B
【小题4】A细节理解题。根据最后一段倒数第二句It is probably dangerous because it will probably wake me up a lot more，睡眠短信很危险它会让我醒来很多次，可知睡眠短信会降低睡眠质量，故选A
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