3a 部分答案
1. They talk about the American Computer Museum,the International Museum of Toilets and the Hangzhou National Tea Museum.
2. I think the most interesting thing in the American Computer Museum is the special computer that can play chess even better than humans,the most interesting thing in the International Museum of Toilets is that it has so many different kinds of toilets there and in the Hangzhou National Tea Museum,the most interesting thing is the tea art performances.
（答案仅供参考）
3b 部分答案
1. It's the most interesting museum he's ever been to. It has information about different computers and who invented them,and he has learned that there was a special computer that could play chess better than humans.
2. We can learn about the history and development of toilets.
3. It is a nice place to enjoy tea because it is located in a relaxing and peaceful place near a lake. Watching tea art performances is also enjoyable.
（答案仅供参考）
3c 部分答案
make (something) better—improve
become better—progressed
uncommon—unusual
quiet-peaceful
made—invented
quick—rapid
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