BBC在线收听下载:朝鲜提议与美共同调查索尼黑客事件

1.When he tugged it free out spilled 45 gold coins dating from the 1590s.

date from 追溯到；始于；起源于

This custom dates from the nineteenth century.
这风俗始于19世纪。

My interest in stamp collecting dated from my schooldays.
我从学生时代就开始爱好集邮。

2.Jenny Wilton said her husban Rum was clearing rotten mortar from the brick walls when he put his hands on what felt like a dead rat. It turned out to be a silk purse.

turn out to be 结果是；原来是

The building he was lodged in turned out to be a church.
原来，他租住的那栋建筑是一座教堂。

It didn't rain, which turned out to be a stroke of luck.
天没下雨，结果成了件幸事。