试题要求：
To filter out what is unique from what is shared might enable us to understand how complex cultural behavior arose and what guides it in evolutionary or cognitive terms.
试题来源：2012年考研《英语一》真题及答案解析
试题解析：
答案：
从共有的事物中过滤出独特的事物，这使我们得以理解复杂的文化行为ru何产生，并从进化或认知角度理解什么引导了它的走向。
解析：
| 考点 | 宾语从句、并列结构
| 解析 | 句子的主干为 To filter out what is unique from what is shared might enable us to understand…，意为“从共性中过滤出独特性可使我们明白……”。主语是不定式短语 To filter out what is unique from what is shared，该短语中包含两个名词性从句 what is unique 和 what is shared。understand，第二个名词性从句后面跟两个并列的宾语从句，分别是 how complex cultural behavior arose 和 what guides it in evolutionary or cognitive terms.
考点：真题
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