老年人的睡眠时间每天大约
A.5h
B.6h
C.7h
D.8h
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/409316.html
上一篇:文书工作与档案工作的“结合部”,所指的工作是
下一篇: It has been found that even people insensitive to a certain smell _________ can suddenly become sensitive to it when exposed to it often enough.