According to the last paragraph, what is the author’s opinion about culture？
A．Culture and nurture are closely related to each other.
B．Culture is a motive force in social development.
C．Policymaking comes mainly from culture.
D．Scientific culture directs economic development.
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答案：B推断题。本文作者首先指出最新的研究结果表明人类在基因方面基本没有任何差别，从而得出结论：文化和教育在决定人后天的发展中起着重要作用。紧接着，作者批驳了以前人们认为社会发展影响文化的观点，认为最新的研究结果推翻了原来的这一观点。文章结尾通过一个反面例子来支撑文章主旨，B项能够表现作者的核心观点，所以正确。
