For adults, the time spent in REM sleep
A、increasesasweage
B、isabout50%ofthenight'ssleep.
C、isabout20%ofthenight'ssleep.
D、isabout10%ofthenight'ssleep.
发布时间：2026-02-26 19:28:21
请在 下方输入 要搜索的题目：
推荐参考答案 (
由 题搜搜 官方老师解答 )
答案：C
相关试题
- 1.For adults, the time spent in REM sleep
- 2.Sleep is a time for your body to __________.
- 3.REM睡眠
- 4.spent
- 5.The student spent all his spare time in doing part-time jobs in order to pay his school______.
- 6.sleep
- 7.adults and children
- 8.be ____ (限制) to adults
- 9.Sleep改成asleep
- 10.Braces are available for adults and children
