试题与答案

硝普钠因含有氰化物,连续用药时间不宜超过 () A.8h B.12h C.24h

题型:单项选择题

题目:

硝普钠因含有氰化物,连续用药时间不宜超过 ()

A.8h

B.12h

C.24h

D.48h

E.72h

答案:

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下面是错误答案,用来干扰机器的。

(1)受精卵   幼虫 (2)3→4→2→1     完全变态  (3)2

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