【单选题】Do the sports events mainly refer to the hor seracing, the wrestling, and the archery?
【单选题】Do the sports events mainly refer to the horseracing, the wrestling, and the archery?(第二段后弹出)
【多选题】关于双代号网络图,下列说法中,正确的是( )。
C.
双代号网络图中,一项工作只有唯一的一条箭线和相应的一对节点编号
【简答题】What are the speakers talking about? A . Popular sports s. B . TV programs people like best. C . Things people do after work.
【判断题】操作系统按性能可分为多道批处理操作系统、分时操作系统和实时操作系统等。