杭州交通信息网awake awaken:你相信人有生物钟吗，请用英语回答，我有急用，谢谢！！
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/28 02:37:01
Yes,I think so.Because people can feel hungry or thirsty at regular time,and people will have the special mood at sometime,such as:dysthymia,low-spirited,high-spirits and so on.
I believe!