试题与答案

开电扇使人感觉到凉快的主要原因是()。A.电扇有制冷作用 B.汗水在空气流通中迅

题型:单项选择题

题目:

开电扇使人感觉到凉快的主要原因是()。

A.电扇有制冷作用

B.汗水在空气流通中迅速蒸发

C.空气流通后室内温度降低

D.心理作用,其实并没有凉快多少

答案:

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