分子结构为甲萘醌磺酸钠的是()。 A.维生素C  B.维生素K3  C.维生素D2

题型:单项选择题

问题:

分子结构为甲萘醌磺酸钠的是()。

A.维生素C 

B.维生素K3 

C.维生素D2 

D.维生素B6 

E.维生素

考点:西药执业药师药物分析分光光度法
题型:单项选择题

有机磷中毒的解毒剂是()

A.解磷定

B.纳洛酮

C.亚甲蓝

D.亚硝酸钠

E.二巯丙醇

题型:单项选择题

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题型:单项选择题

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A.艺术美

B.功能美

C.社会美

D.形式美

E.表现美

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PC机所使用的标准键盘向主机发送的代码是( )。

A.扫描码

B.ASCII符

C.BCD码

D.格雷码

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设计架空配电线路时,直线杆高压与低压横担间的最小垂直距离为()。

A.0.3m

B.0.6m

C.1.0m

D.1.2m

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