情景交际。 A: Look! What's that? B: Sorry, I don't know. Let's ask Han Mei. A: 1______ C: It's a cup. A: A cup? It's very strange. I've never seen a cup with three legs. C: Yeah. It was used in the old days. A: 2______ C: It was used for drinking wine. A: 3______ C: It was made of metal. B: Hmm. It's interesting, isn't it? A: Yeah. Look! There's a teapot in a bowl. B: 4______ C: That's not a teapot. It was used for serving wine. The big bowl was used for keeping the wine warm. B: 5______ C: When the bowl was filled with hot water, the wine would get warm. A: That's a good idea. Thank you, Han Mei. I've learnt a lot about old Chinese inventions today. C: Me too. A. How did it keep wine warm? B: What was it made of? C. Where was it invented? D. What's that thing with three legs, Han Mei? E. What was the bowl used for? F. What was it used for? G. When was it invented?