【单选题】在水蒸气的P-V图中,饱和水线和饱和蒸汽线之间的区域称为
【单选题】在水蒸气的p-V图中,饱和水线和饱和蒸汽线之间的区域称为 。
【单选题】在水蒸气的p-v图中,饱和水线和饱和蒸汽线之间的区域称为 。
【单选题】听力原文:M: Excuse me, I have a ticket for the 6 o'clock flight to London. But I'm afraid I can't make it. Is there a seat available for tomorrow morning? W: Let me see. I'm sorry. All the morning flights...
A.
The man has changed his destination.
B.
The man is returning his ticket.
C.
The man is flying to London tomorrow morning.
D.
The man can't manage to go to London as planned.
【单选题】I'm flying to London next week. The ______ will arrive at 8.30.
【单选题】-- Can you tell her I'm flying to London next week. -- _____________
B.
Can you just check that?
C.
Can I just check that?