单选题
The lower your stage of sleep, ______.
A、
the faster your eyes will roll about
B、
the quieter your breath will become
C、
the slower your brain waves will be
D、
the higher your temperature will be
【正确答案】
C
【答案解析】
[分析] 细节题型。 参看第一段第五句The lower your stage of sleep, the slower your brain waves will be．
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