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标题: OG12th 21题 [打印本页]

作者: sackie    时间: 2012-6-11 09:55
标题: OG12th 21题
Neuroscientists,having amassed a wealth of knowledge over the past twenty uears 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 同原句
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 knowlege 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 ,

我不明白的是OG对D的解释,"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",修饰adulthood这部分我明白,但是时态有什么不对吗,一个是对过去的阐述一个是对现在的阐述,并且过去对现在也产生影响了,那么一个用现在完成时一个用现在时很合理啊,为什么OG认为不合理?
作者: abc88    时间: 2012-6-11 14:28
因为 now drawing 不是 immediate and unavoidable consequence 不是 立杆见影,不是不可避免的结果。
因此这里 now drawing .... 不能起到 修饰前半句 表示 结果的伴随状语。
amassed 很多knowledge 不会 马上导致 drawing solid conclusions
收集了许多信息,肯定不可能马上就能 得出结论。当中肯定要 经过筛选整理研究分类等吧。。
收集了信息,说不定 收集的没用 还得不出什么结论。
the bullet entered Smith's brain, killing him instantly---- kiling him 直接马上的结果。
请看:RonPurewal 的解释 很犀利~
http://www.manhattangmat.com/forums/neuroscientists-having-amassed-a-wealth-of-knowledge-t11470.html
还有 ing 分词 用法 强帖!
post46255.html#p46255
作者: sackie    时间: 2012-6-11 21:38
标题: 谢谢
谢谢abc88,我看了那两个帖子,果真是豁然开朗。为了方便其他同学,我把重点摘抄如下:当ing修饰主语前面句子的主语是必须满足两个条件1、紧跟着主语2、其反映的是瞬时的结果或者是同时发生的但是次级优先的动作。
作者: wulakuka    时间: 2012-7-1 19:13
#1的帖让我豁然开朗啊~




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