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  3. Power Napping is Good f the I.Q.

Power Napping is Good f the I.Q.

资格题库2022-08-02  229
问题 Power Napping is Good f the I.Q. Today we hear me me about the imptance of getting enoughsleep—about eight hours a night. Sleep can help heal give energy toboth the body the brain. ____1____ It seems almost certain that the thirdof our lives that we spend asleep has a great effect on the two-thirds that weare awake. Sleep affects our emotions, memy, focus, behavi. Studies show that people in developed countries spend less timeasleep me time at wk commuting. Dr. Karine Spiegel, at theUniversity of Chicago, has found that the average length of sleep has gone downfrom nine hours a night in 1910 to seven--a-half hours a night today.However, our bodies cannot function well without enough sleep. ____2____Accding to Canadian scientist Dr. Stanley Cen, every hour of lost sleep at nightcauses us to lose one I.Q. point the next day. F example, when someone getsonly five six hours of sleep each night f a week, the person’s I.Q. couldgo down 15 points me. ____3____ Most sleep experts say that humans need at least eight hours ofsleep every day, but it should be in two stages: a long sleep at night ashter nap in the afternoon. Some companies help their employees follow thisadvice. ____4____ They say this makes the wkers much me efficient. To study sleep deprivation (not getting enough sleep), scientistsuse a test called the Multiple Sleep Latency Test (MSLT). During the test, aperson stays in a darkened, quiet room during the daytime. Scientists believethat a sleep-deprived person will fall asleep quickly. If it takes ten minutes longer to fall asleep, the person is probably getting enough sleep. Scientists have also found that the time of year seems to affect howmuch sleep we need. ____5____ However, in the summer, people sometimes sleep aslittle as six hours, without having any problems. 　　词汇： emotion n. 情绪 commuting n. 乘公交车上下班，通勤 I.Q. n. 智商(全称为intelligent quotient) deprivation n. 剥夺，匮乏 Sleep Latency Test n. 睡眠潜伏期 　　注释： 1.have/has an effect on... 对……有效果的 2.go down from... to...从………降至……　　练习：A.They allow them to “power nap” in the afternoon, if only f 20 minutes.B.Losing just one two hours of sleep a night, over a long period oftime, can cause serious health problems.C.People usually sleep longer in the winter, sometimes as much as 14hours a night.D.People in power are me intelligent because they take naps.E.Medical experts now believe that sleep is even me imptant fhealth than diet exercise.F.That’s why, without enough sleep, a nmally intelligent person may startto have difficulty doing daily tasks.
选项
答案 C
解析 5.C 本题的做题线索为上下文搭配，在最后一段的第一句中明显提及了睡眠和一年中的不同时期有关，后面最后一句话又讲到了夏季的睡眠时间，那么从中可以判断出，这里描述的应该是另外一种季节的睡眠时间，从而与段首观点句呼应并与下句形成对比，而选项C描述的便是冬季的睡眠时间，故符合要求。
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