問題詳情
【題組】47. When did the research find people had the latest bedtimes and the shortest amount of sleep?
(A) Three to five days after a full moon.
(B) Three to five days before a full moon.
(C) During the last five days of a full moon.
(D) Five days before the 29.5-day moon cycle.
參考答案
答案：B
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The research showed that people had the latest bedtimes and the shortest amount of sleep during the nights that were three to five days before a full moon.