请根据光合作用�吸作用以及生物圈中的碳 氧平衡的知识回答 1ab表示植物的生理活动a是 b是 2ab表示两种物质a是 Template




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tomski请根据光合作用�吸作用以及生物圈中的碳 氧平衡的知识回答 1ab表示植物的生理活动a是 coloring