试题与答案

在一定的条件下，沥青加热软化，由固态变成液态时的温度称为（）。 A.溶化点 B.软化

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题型：单项选择题

题目：

在一定的条件下，沥青加热软化，由固态变成液态时的温度称为（）。

A.溶化点

B.软化点

C.熔化点

D.液化点

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B解析：分析流行病学是对流行病学所假设的病因或流行因素进行检验的方法。它是探讨疾病发生的条件和规律，验证所提出的假设。

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