Originally posted by Fernando at 2005-8-5 19:42
请教0008听力36题
0008听力36题,原文如下:
Man: let's say you are geologist, and u want to investigate the geological history of a place. That is, how did geologists determine things like. . . S ...
我是这样想的
Well, over the history of the area, every time the river flooded, it would deposit a layer of sediment all through with flooded, it would deposit a layer of sediment all through with floodplain.
rock就是被flood一层一层erode的呀
另外,其他三个选项不是很离谱么~