上消化道出血最常见病因是()。
A.食管静脉曲张破裂
B.慢性胃炎
C.消化性溃疡
D.胃癌
E.急性胃炎
参考答案:C
Mr Smith stood up in defence of the 16-year-old boy, saying that he was not the person ______.
A.blamed
B.blaming
C.to blame
D.to be blamed
( )是证券公司资产管理业务运作中面临的主要风险。
A.法律风险 B.市场风险 C.经营风险 D.管理风险