文物：为贸易路线变化提供线索的发现国家文物局周日在沿海城市三亚宣布，在南海1500米深处发现了两具可能可追溯到明代中期（1368-1644年）的古代沉船，中国科学院深海科学与工程研究所的一个科学研究小组于10月在一个大陆斜坡上发现了沉船。我

When I was fifteen, I announced to my English class that I was going to write and illustrate my own books. Half the students sneered, the rest nearly fell out of their chairs laughing. "Don't be silly, only geniuses can become writers," the

One day, an expert in time management was speaking to a group of students and, to drive home a point, used an illustration those students will never forget. As he stood in front of the group of overachievers he said, "OK, time for a quiz."