绝缘材料的耐热等级为E级时,其极限工作温度为()℃。
A、105
B、90
C、120
参考答案:C
My sister was against my suggestion while my brother was ______ it.[ ]
A. in favour of
B. in memory of
C. in honour of
D. is search of
违法使用的无线电发射设备,可以采取扣押、封存等行政强制措施。采取或者解除行政强制措施时,应当经()批准。
A.当地人民政府
B.县市级人民政府
C.本级机构负责人
D.省无线电管理机构