碳元素是组成生物体的最基本元素这是因为碳元素在生物体中 A.所含的能量最多 B.最容易被吸收利用 c.所起的作用最大 D.构成有机物的 Template




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tomski碳元素是组成生物体的最基本元素这是因为碳元素在生物体中 a.所含的能量最多 b.最容易被吸收利用 coloring