1 . 根据对话内容及下面所给的句子补全对话。有一项是多余选项。
A:     1    .
B: It’s a cup.
A: A cup? It’s very strange. I’ve never seen a cup with three legs.
B: Yeah. It was used in the old days.
A:     2    .
B: It was used for drinking wine.
A:     3    .
B: It was made of metal. It’s interesting, isn’t it?
A: Yeah. Look! There’s a teapot in a bowl.
B: That’s not a teapot. It was used for serving wine. The big bowl was used for keeping the wine warm.
A:     4    .
B：When the bowl was filled with hot water, the wine would get warm.
A:     5    . Thank you, Lin Mei. I’ve learned a lot about old Chinese inventions today.

A．How did it keep wine warm?

B．What was it made of?

C．What’s that thing with three legs, Lin Mei?

D．Where was it invented?

E．What was it used for?

F．That’s a good idea.