Which one is not the functions of the nonverbal communication ;（）
A. Repeating
B. Substituting
C. Action
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How many types of business meetings（）
A. Four
B. five
C. three
The two main print media is :（）
A. computer and printer
B. watercolor and paper
C. drawing board and easel
D. magazines and newspaper
网络互连就是通过网络互连设备将分布在不同地理位置的网络和设备相连接，组成更大 规模的互联网络。网络互连设备包括中继器、网桥、路由器和网关等。试述中继器和网桥的工作原理
What is not the meeting layout（）
A. theatre style
B. Classroom style
C. oval style
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