【单选题】What is the default value for the ENABLED attribute of a job or program when it is created?()
C.
There is no default. It must be defined at creation time.
【判断题】Words in themselves do not carry the meaning. The meaning comes out of the context.
【判断题】车站行车室内一切电话中断,单线行车按书面联络法,双线行车按时间间隔法,列车进入区间的行车凭证均为调度命令。
【简答题】The point is that words in themselves do not carry the meaning. The meaning comes out of the context, the _________________.
【判断题】车站一切电话中断时,单线行车按书面联络法,双线行车时按时间间隔法。()
【单选题】车站行车室内一切电话中断,单线行车按书面联络法,双线行车按( )。
【单选题】—Send me an email when you are free, will you? —________.