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标题: 新PREP1-188 [打印本页]

作者: gengjxjn 时间: 2010-10-25 21:03
标题: 新PREP1-188
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.

A.Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are

B.Neuroscientists, having amassed a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are

C.Neuroscientists amassing a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are

D.Neuroscientists have amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood,
E.Neuroscientists have amassed, over the past twenty years, a wealth of knowledge about the brain and its development from birth to adulthood,

答案选A，可是A的结构不是S,Ving,VO吗？这不算夹心吗？
夹心是不是如果再不产生歧义的情况下，也能作为答案？谢谢啦~

作者: siying750 时间: 2010-10-26 03:21
having amassed a wealth of knowledge over the past twenty years about...是一个分词修饰主语neuroscientists
而且A也是唯一正确的答案。
B，C都缺谓语而且,and多余了
D,E 改变了原句的重心。原句的重心应该是在后半部分are now drawing solid conclusions about...而不是作为修饰成分的have amassed a wealth of knowledge over the past twenty years about....

作者: gengjxjn 时间: 2010-10-26 20:24

having amassed a wealth of knowledge over the past twenty years about...是一个分词修饰主语neuroscientists
而且A也是唯一正确的答案。
B，C都缺谓语而且,and多余了
D,E 改变了原句的重心。原句的重心应该是在后半部分are now drawing solid conclusions about...而不是作为修饰成分的have amassed a wealth of knowledge over the past twenty years about....

-- by 会员 siying750 (2010/10/26 3:21:55)

恩，对的，豁然开朗，谢谢啦~

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