列车运行时,警惕开关松开()后,列车将进行告警,如果司机不采取相应的措施,列车施加紧急制动
。A.30s
B.4s
C.1.5s
D.1s
参考答案:B
处罚的目的是为了惩罚本人和教育他人,维护治安秩序。( )
It's international convention, we can't ( )it.
A.break
B.broke
C.have broken
D.being broken