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  3. We all know that normal human daily cycle of activity is of some 7-8 hours’ slee

We all know that normal human daily cycle of activity is of some 7-8 hours’ slee

游客2024-01-01  20
问题 We all know that normal human daily cycle of activity is of some 7-8 hours’ sleep alternating with some 16-17 hous’ wakefulness and that, broadly speaking, the sleep normally______ the hours of darkness.
选项 A、testifies to
B、caters to
C、coincides with
D、reckons with
答案 C
解析
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