单组分系统的熔点随压力的变化可用克劳休斯-克拉佩龙方程解释。
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A：Mother. You promised to take me out.B：Well，_____.
A. so I did
B. so did I
C. so I do
D. so do I
A:It is going to be fine tomorrow.B: _______.
A. So is it.
B. So it is.
C. So it does.
D. So doesit .
She would have been more agreeable if she had changed a little bit, ____?
A. hadn’t she
B. hasn’t she
C. wouldn't she
D. did she
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