试题与答案

现场试验应遵循的三项原则是() A.目的、随机、又寸照 B.目的、随机、盲法

题型:单项选择题

题目:

现场试验应遵循的三项原则是()

A.目的、随机、又寸照

B.目的、随机、盲法

C.目的、随机、时间

D.随机、对照、时间

E.随机、对照、盲法

答案:

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参考答案:A

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