6. In order to meet the development of the exhibition/convention industry ,a code of regulations and rules has to be formulated.
A. 错误
B. 正确
(责任编辑:admin) |
6. In order to meet the development of the exhibition/convention industry ,a code of regulations and rules has to be formulated.
A. 错误
B. 正确
(责任编辑:admin) |