各收费站应按照省有关规定配发标志服。收费员每年（）月（）日更换春夏季标志服，（）月（）日更换冬秋季标志服。
参考答案：五；一；十；一
It is not rare in ________ that people in ________ fifties are going to university for further education.[ ]
A．90s; the
B．the 90s; /
C．90s; their
D．the 90s; their
变电所测量仪表冒烟时，应迅速将表针（）回路短路
A、电流
B、电压
C、控制
D、保护
