International expositions act as the cultural and commercial links between Yunnan and the outside world.
举一反三
- Business communication is （ ） sharing between people within and outside an organization that is performed for the commercial benefit of the organization.
- A (_____) system placed between the company network and the outside world may limit outside access to the internal network ．
- “Ode to the West Wind” expresses the contrast between the happiness of the human world and the agony of the natural world.
- A （）system placed between the company network and the outside world may limit outside access to the internal network. A: firewall B: modem C: gateway D: key
- The purpose of the “Convention Concerning the Protection of the World Cultural and Natural Heritage”the convention was to promote the cooperation between countries and peoples for reasonable protection of the world heritages. ( )