常见的队列调度技术有（）
A.FIFO
B.LR
C.WRR
D.CIR
E.CQ
F.WFQ
参考答案：A, C, E, F
--- I am going downtown.
--- Come on. _________.
A．Don't do that.
B．You are welcome.
C．Come with me.
D．I'll give you a lift.
冶炼超低碳钢时可以采用MgC质钢包。（）
