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OG13-25
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,
问题一:关于答案A, 如果有一个选项F是定语从句形式-- Neurocientists who have amassed...-- 跟A相比,哪一个更优? 分词在句中且前后都有逗号不是会产生歧义嘛(-by tigercaiqun 语法总结)
问题二: OG对选项D的解释没有懂, opening clause 是神马?!!
问题三: the man having won the race is my brother. 这句话错在哪?
the man, having won the race, is my brother. 是不是这样就对了, 为啥呢?
问题四: She is sitting on the tree and reading a book. 这种结构在gmat里面不对嘛?
求大牛解答!
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