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【单选题】
理想气体向真空膨胀,当一部分气体进入真空容器后,余下的气体继续膨胀。该过程A.
W ＞ 0
B.
W=0
C.
W ＜ 0
D.
无法确定
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皮皮学刷刷变学霸
举一反三
【简答题】Robinson taught children to use“mental journeys” to improve _______
【单选题】Whitman, who had worked as a newspaperman, later became noted for his use of______ language in his writings.
A.
oral
B.
formal
C.
poetic
D.
bookish