POS收单业务的风险类型().
A.虚假申请
B.侧录风险
C.套现风险
D.调单风险
参考答案:A, B, C, D
—Has Lily come (). —Yes, she has been here for over ten minutes ().
A.yet; already
B.already; yet
C.yet; yet
D.already; already
普通线路道岔导曲线中部轨距加宽,直尖轨时向两端递减至尖轨跟端为4m,距辙叉前端为3m。