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188. (26379-!-item-!-188;#058&001961) 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, 句子结构:Neuroscientists are now drawing solid conclusions about……。 考点说明:插入语。 选项分析: A 项正确,having作为插入语修饰Neuroscientists,are是neuroscientists的谓语。 B 缺乏完整的句子结构,and前修饰的只是名词,and后面缺少主语。 C 错误类似B,句子不完整;改变原句时态,having amassed表示完成,改成了amassing意思 发生变化。 D 改变原句结构,drawing 容易歧义修饰前面的adulthood。 E 改变原句结构,drawing 容易歧义修饰前面的adulthood。 知识点及补充说明: 及物动词,最好后面紧跟修饰的名词,如Amass a wealth of knowledge,C/D选项的over the past twenty years位置不好。
不是太理解 为什么DE drawing 容易歧义修饰前面的adulthood。这里drawing不是可以做伴随状语主语吗··· |
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