Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

现在我们周围的环境污染越来越严重。作为一个中学生，我们应节约资源，保护环境，从我们身边的小事做起，做一个“低碳生活”的中学生。请以“My Low--carbon Life”为题，写一篇短文描述自己的“低碳生活”。

题图上启动界面UI故意做成了随机大小写的样子，突出个SAN值不稳定。

Experience the powerful works of Li Xiangqun, a renowned Chinese sculptor, in his first solo exhibition. Through a series of ...

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