急性腹膜炎的腹痛主要特点()。
A.阵发性腹部剧痛
B.持续性腹部剧痛
C.转移性腹痛
D.腹痛向腰背部放射
E.解痉挛药能使腹痛缓解
参考答案:B
下列血气非常正常值的是()
A.PO250~70mmHg
B.BE-3~+3
C.pH7.35~7.45
D.PCO223~45mmHg
E.HCO3-22~27mmHg
Barbara is easy to recognize as she’s the only one of the women who _____ evening dress.
A.wear
B.has worn
C.have worn
D.wears