标题: prep1 188 关于ing~ [打印本页] 作者: 天使追梦 时间: 2010-12-16 02:32 标题: prep1 188 关于ing~ 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,
2、A项的夹心问题。以前有人问过，但没人答。。这个问题理论上说只有两种理解时才会歧义、、可是什么时候才会有2中理解呢。。作者: sdcar2010 时间: 2010-12-16 02:36
over the past twenty years --> having amassed; not amassing作者: 天使追梦 时间: 2010-12-16 02:38
over the past twenty years --> having amassed; not amassing