题目内容

属于封闭系统的

A. 宇宙
B. 密闭不隔热容器里的化学反应
C. 人体
D. 气球中的气体

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对于某理想气体，确定了p、V、n，理想气体的状态就确定了。

A. 对
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A. Murray-Darling Basin
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