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标题: 请教一道语法题 [打印本页]

作者: hycyy    时间: 2003-8-3 23:18
标题: 请教一道语法题
Basalt, (which) composes (most) of the ocean (floor), is a dark-grey rock (rich) in iron and magnesium than most surface rocks.
答案是D,不知为何?定语从句的'Which is'不可以省略吗?
作者: 托福太难    时间: 2003-8-4 10:21
我想后面有个than,应该把rich改成比较级吧!




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