M: Thanks for coming to see me off. It’s very kind of you.
W: You are welcome. It’s my pleasure.
Q: Where does the dialogue most likely take place?（）

坡度为（ ）的屋顶，称为坡屋顶。

A.2%～5%
B.3%～7%
C.5%～9%
D.10%～100%

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M: How long will it take to mail this letter to London?W: About two weeks.Q: What Call we learn from the dialogue?（）

A．The man will mail a letter from London.
B．The woman works in a post office.
C．The man is a traveler.

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