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【单选题】
2-4一定质量的理想气体贮存在容积固定的容器内,现使气体的压强增大为原来的两倍,那么
A.
内能和温度都不变
B.
内能变为原来的两倍，温度变为原来的四倍
C.
内能和温度都变为原来的两倍
D.
内能变为原来的四倍，温度变为原来的两倍
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