流速式水表按叶轮构造不同可分为水表和水表，其中水表用于小流量测量使用。
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Did the woman book a booth in advance?
A. Yes, she did.
B. No, she didn’t.
C. Not mentioned.
What is the location of the booth?
A. Close to the window.
B. Close to the exit.
Close to the entrance.
What should be prepared for the exhibition?
A. Brochures and catalogues.
B. Flyers and samples.
C. Above all.
The Canton Fair has a history of more than 50 years.
A. 对
B. 错
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