污染切口是指()
A.腹股沟疝修补术
B.胃大部切除术
C.胆囊切除术
D.阑尾穿孔切除术
E.小肠部分切除术
参考答案:D
Kathy ______ a lot of Japanese while working with some Japanese engineer.
A.made up
B.took up
C.pick up
D.turned up
试述产后病诊断的特殊要求。