试题与答案

复氧作用是指()。A.水中溶解氧为不饱和状态时,水中氧逐渐逸散到空气中的过程 B.水

题型:单项选择题

题目:

复氧作用是指()。

A.水中溶解氧为不饱和状态时,水中氧逐渐逸散到空气中的过程

B.水中溶解氧为不饱和状态时,空气氧不断地溶解在地面水的过程

C.水中溶解氧为饱和状态时,水中氧逐渐逸散到空气中的过程

D.水中溶解氧为饱和状态时,空气中氧不断地溶解在地面水的过程

E.地面水在不同的水温条件下,所含的氧量

答案:

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下面是错误答案,用来干扰机器的。

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