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16.Teenagers are damaging their health by not getting enough sleep because they are distracted(分散)by electronic products in their bedrooms,according to a survey.
UK advice body The Sleep Council said"junk sleep"could rival(比得上)the consumption of unhealthy junk food as a major lifestyle issue for parents of teenage children.It brings no less harm than junk food to one's health.Its survey of 1,000 teenagers aged 12 to 16 found that 30 percent managed just 4 to 7 hours sleep as opposed to(形成对照)the recommended 8 or 9 hours by the experts.Almost a quarter said they fell asleep more than once a week while watching TV,listening to music or using other electronic products.
"This is an extremely worrying situation",said Dr.Chris Idzikowski of the Edinburgh Sleep Centre."What we are seeing is the appearance of Junk Sleep-that is sleep which is of neither the length nor quality  that  it should be in order to feed the brain with the rest it needs to perform properly at school."
Nearly all the teenagers had a phone,music system or TV in their bedroom,with around two-thirds possessing all three.Almost one in five of the teenage boys said the quality of their sleep had been impacted by leaving their TV or computer on.The survey also found that 40 percent of teenagers felt tired each day,with girls aged 15 to 16 doing the worst.However just 11 percent said they were bothered by the lack or quality of sleep.
"I'm surprised 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 wake up to the fact to feel well,perform well and look well; they need to do something about their sleep."

71.According to the experts,teenagers should sleepB every night.
A.4 to 7 hours      B.8 or 9 hours         C.6 or 7 hours         D.7 or 8 hours
72.Which of the following is NOT true about"junk sleep"?D
A.It's a kind of sleep with poor quality.
B.It's a kind of sleep with shorter hours.
C.It's mainly caused by the electronic products in the bedroom.
D.It's not as harmful as junk food to one's health.
73.The underlined word"impacted"in Paragraph 4 can probably be replaced by"C".
A.improved         B.destroyed            C.affected          D.inspired
74.It can be inferred from the passage that Dr.Chris Idzikowski is veryAabout the present situation.
A.worried            B.satisfied            C.angry           D.disappointed
75.What should be the best title for this passage?C
A.Junk Food and Junk Sleep
B.A Survey about Junk Sleep
C.Junk Sleep Is Damaging Teenagers'Health
D.How to Avoid Junk Sleep.

分析 这篇短文中作者主要讲述了英国青少年的睡眠质量受到电子产品的危害,通过对青少年的睡眠调查得出很多数据并为此提出了担忧.

解答 71.B.细节理解题.根据第二段Its survey of 1,000 teenagers aged 12 to 16 found that 30 percent managed just 4 to 7 hours sleep as opposed to(形成对照)the recommended 8 or 9 hours by the experts可知青少年应该睡觉每天8到9小时;故选B.
72.D.细节理解题.根据第二段It brings no less harm than junk food to one's health可知垃圾睡眠和垃圾食品一样对健康有害;故选D.
73.C.词义猜测题.根据文章Almost one in five of the teenage boys said the quality of their sleep had been impacted by leaving their TV or computer on可知几乎五分之一的青少年表示,他们的睡眠质量已经离开他们的电视或计算机的影响;意为影响;故选C.
74.A.推理判断题.根据文章"I'm surprised that so few teenagers make the link between getting enough good quality sleep and how they feel during the day,"Idzikowski said可知Chris Idzikowski博士对青少年睡眠现状很担忧;故选A.
75.C.推理判断题.根据第二段UK advice body The Sleep Council said"junk sleep"could rival(比得上)the consumption of unhealthy junk food as a major lifestyle issue for parents of teenage children可知这篇文章最好的标题是垃圾睡眠有害健康;故选C.

点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.

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