問題詳情

24-30題為題組【C】 There are two kinds of sleep: one is rapid eye movement (REM), and __24__ is no rapid eye movement (NREM). While you are sleeping, you __25__ between REM and NREM sleep. Most individuals have four or five REM periods of dreaming each night. The first one may begin only a half hour after they fall asleep. Scientific research also puts forward the evidence __26__ the final one may last up to an hour. Nightmares usually occur toward dawn, __27__ the brain waves are less active. However, some people do not have a good night’s sleep. That’s because they __28__ breathing while sleeping. Some snorers even suffer from the condition __29__ apnea, because the throat muscles relax too much and block the airway. This is a dangerous condition. __30__ the brain is without oxygen for four minutes, there will be permanent brain damage.
24.
(A) another
(B) the other
(C) this
(D) that

參考答案

答案：[無官方正解]
難度：非常困難0
統計：A(0),B(1),C(0),D(0),E(0)

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