铁路机车车辆驾驶人员资格考试CRH2A型动车机车驾驶理论单项选择题每日一练(2019.04.21)

A.30s之内
B.40s之内
C.60s之内
D.70s之内

A.17200
B.17300
C.17600
D.17500

A.220
B.200
C.250
D.210

A.101
B.102
C.106
D.105

A.101
B.102
C.103
D.105