关于消化性溃疡下述哪些情况为手术适应证（）
A.反复发作的十二指肠球溃疡
B.上消化道出血
C.胃溃疡疑癌变
D.并不全幽门梗阻
E.复合溃疡
参考答案：C
The single most important factor ____ contributes to success is _____ you do every single day．
A．that; that
B．which; what
C．which; what
D．that; what
小儿面呈红色，证候多属（）
A.热
B.湿
C.燥
D.虚
E.实
