Neuroscientists, havingamassed a wealth of knowledge over the past twenty years about thebrain and its development from birth to adulthood,are now drawing solid conclusions about how human brain grows and how babies acquire language.
D Neuroscientists have amassed a wealth of knowledge over the past twenty years about thebrain and its development from birth to adulthood,
OG对D的解释是The final descriptor in present tense, now drawing conclusion ... does not fit the opening clause, which is in present-perfect tense (have amassed a wealth ...) and seems to modify adulthood. 也就是说这里的doing作定语修饰前面的adulthood。
OG 66
The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods. B include the animal known as the killer whale, growing as big as 30 feet long and
先撇开B中as big as ... long不谈，OG对B的解释是 Changing the verb to the participial growing introduces ambiguity, because it could refer back to the subject of the sentence (32 species).
2，如果做定语，就近修饰逗号前面的名词，看逻辑通不通 逗号+分词做定语跟定语从句有一定区别，上面66B中，... the killer whale, growing as big as 30 feet long and如果growing做定语，就是说长到30 feet是killer whal的属性，而不是可以长到30 feet作者: nancyyen 时间: 2009-12-28 15:46
除此之外我觉得还要判断句子要表达的主要意思是什么（判断哪一个动词做谓语动词）amass后面的东西不是要主要表达的