Internet中IP地址202.45.88.179属于( )地址.
A.A类
B.B类
C.C类
D.D类
参考答案:C
He telephoned me________he arrived in the city. [ ]
A. immediate
B. first time
C. immediately
D. direct
带电设备电压等级为220kV时,电气试验中人员与带电体的安全距离应为()m。