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21.
Neuroscientists, having amassed a wealth of
knowledge over the past twenty years about the brain
and its development from birth to adulthood, are now
drawing solid conclusions about how the human brain
grows and how babies acquire language. (D) Neuroscientists have amassed a wealth of
knowledge over the past twenty years about the
brain and its development from birth to adulthood, 官方解释： D The final descriptor in present tense, now
drawing conclusions ... does not fit the
opening clause, which is in present-perfect
tense (have amassed a wealth ...) and seems
to modify adulthood.
本题的答案是A
看完后仍然有几个看不懂：
1，官方解释说D中选项用的是现在时，前面又用的是完成时，时态不吻合。 但是A实际上也是这样的啊？ 2，再就是关于drawing 的用法。这里说是可以看成是修饰adulthood。 白用语法上解释的doing在句尾要么是表示伴随结果，无逻辑主语；要么是做伴随动作，主语是主句主语。 所以这里的drawing主语是不是应该是主语的主语，不会产生误解？
不知道哪位大N能否比较清楚的把DOING的用法归类总结下，万分感激。
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发表于 2009-9-17 22:36:00
