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。
