目前在Internet上应用最为广泛的服务是()。
A.FTP服务
B.WWW服务
C.Telnet服务
D.Gopher服务
参考答案:B
12. --- What's on tonight?
--- I hear there is going to be a pop song contest. A group of famous singers from Hong Kong and Macao are ____ in our village theatre.
A.making his first appearance
B.appearing on the stage
C.making their first appearances
D.appearing themselves
简述行政管理的局限性。