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一般来说,问卷中的问题不应超过50道,能让被调查者在_____分钟内做完。

高老师2年前 (2024-03-27)学前教育科学研究(00389)77

一般来说,问卷中的问题不应超过50道,能让被调查者在_____分钟内做完。

A.15

B.30

C.45

D.60

正确答案是B

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