2. 外语
  3. Thanks in part to technology and its constant sounding and ringing, roughly 41 million people in the United States—nearly a thir

Thanks in part to technology and its constant sounding and ringing, roughly 41 million people in the United States—nearly a thir

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问题     Thanks in part to technology and its constant sounding and ringing, roughly 41 million people in the United States—nearly a third of all working adults—get six hours or fewer of sleep a night, according to a recent report.
     (1)______, mention of our ever increasing sleeplessness is followed by calls for earlier bedtimes (2)______a longer night’s sleep. But this directive may be(3) ______ of the problem.(4)______helping us to get more rest, the tyranny of the eight-hour block (5)______a narrow conception of sleep and how we should(6) ______ it. Doctors who peddle sleep aid products and call for more sleep may(7)______reinforce the idea that there is something wrong about interrupted sleep(8)______. Sleep anxiety is a common result. Some of the time we spend(9) ______and turning may even result from(10)______about sleep and our bodily needs.
    Thomas A. Wehr, a psychiatrist(11)______ at the National Institute of Mental Health in Bethes-da, Md. , was conducting an experiment in which subjects were deprived of(12)______light. Without the illumination and(13)______from light bulbs, televisions or computers, the subjects slept(14)______the night, at least at first. But, after a while, Dr. Wehr noticed that subjects began to wake up a little after midnight, lie awake for a couple of hours, and then(15)______back to sleep again.
    It seemed that,(16)______a chance to be free of modern life, the body would naturally settle into a (17)______ sleep schedule. (18)______they broke their conception of what form sleep should (19)______, they looked forward to the time in the middle of the night as a chance for deep thinking of all kinds,(20)______in the form of self-reflection or getting a jump on the next day.
(8)
选项 A、circles
B、cycles
C、intervals
D、periods
答案B
解析 名词辨析题。[B]cycles“周期，循环”，符合文意，故为答案。[A]circles“圈，圆圈”、[C]intervals“间隔，距离”和[D]periods“期间，时期”均不符合文意，故均排除。
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