下列胃大部切除术后的并发症中,哪项切忌再次手术()
A.急性完全性输入段梗阻
B.胃肠吻合口破裂
C.残胃排空障碍
D.十二指肠残端破裂
E.输出段梗阻
参考答案:C
John ___ such a thing about you. He never speaks ill of you behind your back.[ ]
A. can't have said
B. might not have said
C. couldn't say
D. mustn't have said
国防法规动员体制建设不属于国防建设的内容。