2. 外语
  3. British teenagers are damaging their health by not getting enough sleep because they are distracted by electronic gadgets in the

British teenagers are damaging their health by not getting enough sleep because they are distracted by electronic gadgets in the

admin2011-05-17  50
问题     British teenagers are damaging their health by not getting enough sleep because they are distracted by electronic gadgets in their bedrooms, according to a survey on Tuesday.
    The Sleep Council said "junk sleep" could compare with junk food as a major lifestyle matter for teenagers’parents.
    The poll of 1, 000 teenagers aged 12 to 16 found that 30 percent managed just 4 to 7 hours’sleep, even though they are advised to sleep 8 or 9 hours.
    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 really worrying trend, " said Dr Chris Idzikowski of the Edinburgh Sleep Centre.
    " What we are seeing is the result coming out of ’junk sleep’. It has neither length nor quality, both of which are important to feed the brain with the rest it needs to perform properly at school.
    Nearly all the teenagers had a phone, music system or a TV in their bedrooms, and about two-thirds of the teenagers had all three of these things.
    Almost one in five teenage boys said the quality of their sleep had been influenced by their TVs or computers being left on. The survey also found that 40 percent of teenagers felt tired each day, with girls aged 15 to 16 feeling the worst.
    However, only 11 percent said they were bothered by the lack or bad quality of sleep.
    "I’m staggered that so few teenagers make the link between getting enough good quality sleep and how they feel during the day, " Idzikowski said. "Teenagers need to realize the fact that to feel well, perform well and look good, they need to do something about their sleep.
The purpose of this passage is to______.
选项 A、encourage teenagers to sleep as much as possible
B、discourage teenagers’from staying up late at night
C、inform people of the damage "junk sleep" does to teenagers’health
D、instruct people how to have a long and good-quality sleep
答案C
解析 主旨题。同31题。A选项过于夸张, 文章中只提到lack of sleep, 但并不意味着要sleep as much as possible；B选项内容stay up late at night没有突出文章主题, 即青少年因为受到电子器具诸如电视、电脑等的干扰而睡眠短缺；D选项和文章主题不符。
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