在采用总价法的情况下，实际上是将发生的现金折扣视为销货单位不鼓励购货方提早付款而发生的理财赞用。 ( )
参考答案：错
— What happened to your brother?
— He slipped on the icy road _____ after a bus, and had his leg broken. [ ]
A. to chase
B. chasing
C. chased
D. having chased
肛门周期性疼痛，出血，便秘的疾病是：（）
A.直肠息肉
B.肛裂
C.肛瘘
D.内痔
E.肛窦炎
