试题与答案

The habit-formation theory originates from

题型:单项选择题

题目:

The habit-formation theory originates from the () and was popular in the 1950s and 60s.

A. cognitive psychology

B.estalt psychology

C.behaviourist psychology

D.psychoanalysis

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:由容斥原理可得,两种比赛都参加的人有16+23-30=9(人)。

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