52单词网 > 高中英语 > 高中英语题库 > 从物质循环的观点来看.动物体中碳元素的最终来源是A.糖类中含有的碳B.大气中的二氧化碳C.蛋白质中含有的碳D.岩石中的碳

从物质循环的观点来看.动物体中碳元素的最终来源是A.糖类中含有的碳B.大气中的二氧化碳C.蛋白质中含有的碳D.岩石中的碳

来源：网络时间：2026-02-02 08:05:29

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从物质循环的观点来看.动物体中碳元素的最终来源是A.糖类中含有的碳B.大气中的二氧化碳C.蛋白质中含有的碳D.岩石中的碳

从物质循环的观点来看，动物体中碳元素的最终来源是

A.糖类中含有的碳

B.大气中的二氧化碳

C.蛋白质中含有的碳

D.岩石中的碳

试题答案

B

标签：中含有糖类岩石蛋白质物体

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