急淋血病首选治疗方案是（）
A.VP
B.DA或HA
C.HOAP
D.小剂量阿糖胞苷
E.左旋门冬酰胺
参考答案：A
—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can't agree with you more. There ________ be errors for every single step.
A．should
B．must
C．can
D．will
请简述核算业务中入库挂帐的功能。（备用）
