政企不分,邮电合营这种模式的特点是()。
A.体制上合二为一
B.政府牢牢控制电信
C.为公众提供普遍服务
D.不利于政府控制电信
参考答案:A, B, C
The lawyer was so kind that he devoted all his spare time he had _____ the disabled. [ ]
A. to helping
B. helped
C. helping
D. to help
在允许速度120km/h<v≤200km/h的线路,列车需减速通过施工地点时,在移动减速信号牌(灯)外方应增设()。
A、减速手信号旗(灯)
B、移动减速信号牌(灯)
C、带T字的移动减速信号牌(灯)
D、响墩