试题与答案

()更有利于植物体内碳水化合物的合成。A、红光 B、绿光 C、兰光 D、青光

题型:单项选择题

题目:

()更有利于植物体内碳水化合物的合成。

A、红光

B、绿光

C、兰光

D、青光

答案:

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