皮皮学，免费搜题
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【单选题】
下列哪种空气绝热上升时,气温垂直递减率最小?A.
干空气
B.
未饱和湿空气
C.
饱和湿空气
D.
先是未饱和，后来变为饱和的空气
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皮皮学刷刷变学霸
举一反三
【简答题】---Is it OK take this seat? ---Sorry._______ A. here you are B. take it C. it’s taken D.never mind
【单选题】—Which seat shall I take? —Please take ______ seat you like.
A.
whichever
B.
which
C.
whatever
D.
no matter which
【单选题】—Please have a seat . —Thank you . [ ]
A.
have a look
B.
look after
C.
take a seat
D.
take a look
【单选题】—May I put my luggage on the seat beside you, sir? —______.
A.
Sure, with pleasure
B.
Oh, please yourself
C.
Well, never mind
D.
Yes, help yourself
【单选题】-Please take my seat here. -_______.
A.
That's nice of you
B.
I think it's my seat
C.
No, you sit here
D.
I don't think it's a good seat
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