【多选题】向施工封锁区间开行路用列车的调度命令内容应包括()等有关事项。
【单选题】The author has the approach of a (n) _______.
【多选题】向施工封锁区间开行路用列车的行车凭证为调度命令,其包括哪些内容()。
【单选题】What does the author mean by 'back care has gone astray' in the last paragraph?
A.
It has been on the right track.
B.
It has been away from the right track.
C.
It has offered a new way of treatment.
D.
It has moved back to tradition.
【判断题】假定一个参数说明为const int a, 则在函数体中不能够改变a的值。