标题: OG12-43 [打印本页] 作者: xiaoguolulu 时间: 2010-9-13 21:35 标题: OG12-43 D选项整句如下: Laos has a land area "conparable to the size of Great Britain, but only four million in population, and many"are members og hill tribes ensconced in the virtually inaccessible mountain valleys of the north.