试题与答案

糖尿病患者择期术前空腹血糖最高勿超过多少mmol A.11.2 B.12.2 C.1

题型:单项选择题

题目:

糖尿病患者择期术前空腹血糖最高勿超过多少mmol

A.11.2

B.12.2

C.13.2

D.14.2

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: 本题考查Instr函数的知识。Instr函数也称为字符串检索函数,返回值为第二个字符串参数在第一个字符串参数中最早出现的位置。

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