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题目内容
（国家开放大学婚姻家庭法学）
Which of the following is NOT an external barrier to communication?
A.Motivation or interests.
B.Environmental factors such as lighting and heat.
C.A closed or authoritarian climate.
A.Motivation or interests.
B.Environmental factors such as lighting and heat.
C.A closed or authoritarian climate.
参考答案