男性,46岁,溃疡病合并瘢痕性幽门梗阻,术前不可缺少的处理是()
A.每晚温盐水洗胃
B.输血
C.胃液分析
D.灌肠
E.持续胃肠减压
参考答案:A
_____ ill, I can't go to school today. [ ]
A. Because of
B. As
C. Being
D. With
进口货物的增值税由()代征。
A.海关
B.税务局
C.国务院
D.发改委