试题与答案

正常情况下,尿液的pH值是( )A.3.5~7.5B.4.5~8.0C.4.5~7

题型:单项选择题

题目:

正常情况下,尿液的pH值是( )

A.3.5~7.5
B.4.5~8.0
C.4.5~7.5
D.5.5~6.5
E.4.5~8.0

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: 本题目的是考查结构化布线基本概念。结构化布线与当前连接设备的位置无关,将所有可能位置都布好线。其余说法均正确。

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