关于Ⅲ度冻伤,叙述错误的有()
A.伤及皮肤全层或皮下组织
B.创面感觉消失,皮肤发绀
C.无水疱形成
D.3周愈合,不留瘢痕
E.2周坏死组织脱落
参考答案:C, D, E
人殉和人牲制度
What is BPR?()
A.Business production relation
B.Business promotion relation
C.Business process reengineering
D.Business placement ratio