急性溶血性贫血患者外周血中不会出现()
A．幼稚红细胞
B．MCV正常
C．MCHC正常
D．网织红细胞减少
E．MCH正常
参考答案：D
车辆调度要满足的条件有（）
A.满足所有需求点的要求
B.车辆数目一定
C.车辆不能超载
D.发送车每天运行时间有预定的上限
One feature of ______ is that it is possible to arrange for a single message to be sent to a large number of other users simultaneously.
A．Fax B．IP telephone C．Data Processing D．E-mail
