以下哪项（）不能作为开展物质流动分析的理由 Which of the following can't be used as a reason
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以下哪项（）不能作为开展物质流动分析的理由 Which of the following can"t be used as a reason for a material flow analysis（）
A.人类对环境的诸多影响大多以物质形式呈现 Most of the environmental impacts from human beings are presented in the form of matter
B.物质是连接人类与环境间关系的纽带 Material links human beings to the environment
C.物质遵循守恒定律，便于开展定量分析 Material obeys the law of conservation which makes it easier to carry out a material quantitative analysis
D.物质是构成产品的基础要素，又是能量、价值的载体 Material is the basic element of product, and also the carrier of energy and economic value###SXB
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