Speaking of what sort of smartness is most desirable in human ,a friend of mine told me a story.
A. conduct
B. experience
C. custom
D. habit
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(答案→)A. conduct
B. experience
C. custom
D. habit
解析:词义辨析。A行为,表现;B经历,经验;C风俗;D习惯。句意:当说起在人类的行为什么样的机灵是最可取的时候,我的一个朋友讲了一个故事。故A正确。