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According to a recent survey, British teenagers are damaging（傷害） their health by not getting enough sleep because they are prevented from doing so by electronic gadgets (電子設(shè)備) in their bedrooms.
According to the Sleep Council, "junk sleep" could compete with eating unhealthy junk food as a main worrying lifestyle for parents of teenage children.
Among the l, 000 students aged 12 t0 16 who were tested in the survey, 30 percent just slept for 4 to 7 hours a day. Almost a quarter said they fell asleep, more than once a week, while watching TV, listening to music or using other electronic gadgets.
"This is a quite worrying trend（潮流）”， said Dr Chris Idzikowski of the Edinburgh Sleep Centre. "What we are seeing is the appearance of terrible junk sleep - sleep that is of neither the length（長(zhǎng)度） nor the quality it should be."
Nearly each of the teenagers had a phone, music system or TV in his or her bedroom, with around two-thirds owning all three. Almost one in five of the teenage boys said the quality of their sleep had been influenced by leaving their TVs or computers on. The survey also found that 40 percent of youngsters felt tired each day, with girls aged 15 to 16 feeling the worst.
"Teenagers need to wake up to the fact that to perform（表現(xiàn)） well. They need to do something about their sleep. I'm shocked（震驚） that so few teenagers have noticed the close connection," said Idzikowski.
【小題1】Among the students tested in the survey, about_______ of them fell asleep while using their electronic gadgets.

A．200 B．250 C．300 D．400
【小題2】Which of the following kinds of sleep is thought to be "junk sleep"?
A．A long sleep of good quality.
B．A short but good sleep.
C．A sleep with many dreams.
D．A short sleep of low quality.
【小題3】The underlined part "the close connection" means the connection between_______.
A．hard work and good performance
B．good feelings and good performance
C．good sleep and good performance
D．good sleep and good looks

【小題1】B
【小題2】D
【小題3】C

解析試題分析：這篇短文中作者主要講述了英國(guó)青少年的睡眠質(zhì)量受到電子產(chǎn)品的危害，通過(guò)對(duì)青少年的睡眠調(diào)查得出很多數(shù)據(jù)并為此提出了擔(dān)憂。
【小題1】細(xì)節(jié)理解題。根據(jù)短文第三段Among the l, 000 students ……Almost a quarter said they fell asleep, 知道a quarter是指四分之一. 故選B.250
【小題2】細(xì)節(jié)理解題。根據(jù)第四段What we are seeing is the appearance of terrible junk sleep - sleep that is of neither the length（長(zhǎng)度） nor the quality it should be."可知垃圾睡眠是指短而低質(zhì)量的睡眠。故選D. A short sleep of low quality.
【小題3】細(xì)節(jié)猜測(cè)題。聯(lián)系上文"Teenagers need to wake up to the fact that to perform（表現(xiàn)） well. They need to do something about their sleep.可知此處指的是，好的睡眠和好的表現(xiàn)緊密相連。故選C. good sleep and good performance好睡眠和好表現(xiàn)。
考點(diǎn)：教育類短文閱讀

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