不宜采用诊断性腹腔穿刺的疾病是（）
A.急性腹膜炎
B.机械性肠梗阻
C.腹部损伤
D.腹腔内出血
E.空腔脏器穿孔
参考答案：D
— What are you wearing?
— I'm ___________ socks, a skirt and a hat. [ ]
A. wear
B. wearing
C. wears
转移定价有哪些作用
