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托业备考一定不能落下阅读和写作，下面我给大家带来一些实用的阅读素材和写作范文。
托业考试阅读材料：手机对睡眠的影响
Can't Sleep? Turn Off the Cellphone!
A good night's sleep is becoming ever more elusive for the average American — and it's a problem that plagues us at all ages, from infancy to adulthood. Now three new papers in the Sept. 1 issue of the journal Sleep tackle the question of sleeplessness: two studies illuminate the reasons why teens and adults don't sleep enough. With teens, a major culprit is cellphone use; with adults, it's work. Meanwhile, a third study of young children reveals that sleep deprivation in early life may lead to future behavioral and cognitive problems.
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