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”。

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.

Ahmed mohamed Saleh eats dumplings to celebrate the Chinese Lunar New Year at Tianjin Foreign Studies University in north ...

25. The meeting was scheduled for two hours, but it is now over yet. 会议原定了两个小时，不过现在还没有结束。 28. Can you cover for me on Friday/help me/ tell me how to get there? 星期五能不能请你替我个班/你能帮我吗/你能告诉我到那里怎么走吗？

Snake soup is considered the commoner’s tonic and a specialty in Cantonese cuisine. Ser Wong Fun was founded in 1895 in Nanhai District, Guangdong. After relocating to Gilman’s Bazaar in Central in 19 ...

■1月15日，北大光华管理学院“Future leader”项目的5位学生拜访了芒格书院，与书院创始人施宏俊、主笔杨紫琳等人进行了有关阅读学习、人生规划和商业投资等话题的深入交流。