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Researchers have found that REM(rapid eye movement)sleep is important to human beings. This type of sleep generally occurs four
Researchers have found that REM(rapid eye movement)sleep is important to human beings. This type of sleep generally occurs four
admin
2016-08-13
60
问题
Researchers have found that REM(rapid eye movement)sleep is important to human beings. This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrence. The deeper a person’s sleep becomes, the longer the periods of rapid eye movement.
There are physical charges in the body to show that a person has changed from NREM(non-rapid eye movement)to REM sleep. Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly.
Accompanying these physical changes in the body is a very important characteristic of REM sleep. It is during REM sleep that a person dreams.
Which of the following shows that a person is NOT dreaming in his sleep?______
选项
A、His eyes begin to move.
B、His breathing becomes faster.
C、His heart rate increases.
D、His eyes stop moving.
答案
D
解析
参考文章第二段和第三段,人在睡眠的REM阶段会做梦,而呼吸加快、心率升高和眼球运动是人从NREM阶段转入REM阶段的标志。
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