毕Ⅱ式手术比毕Ⅰ式手术不同在于()
A.操作比较复杂
B.吻合口张力大
C.更多地改变了正常解剖生理关系
D.溃疡复发率低
E.术后并发症少
参考答案:A,C,D
Stop talking. I have __________ to tell you.
A.anything important
B.something important
C.important anything
D.important something
吗啡可用于()
A.治疗支气管哮喘
B.治疗心源性哮喘
C.两者均可
D.两者均否