急性梗阻性化脓性胆管炎最关键的治疗是
A.足量抗生素
B.急诊胆道减压手术
C.输液、输血
D.营养支持
E.纠正酸中毒
参考答案:B
I picked up a paper at random , _____ through the headlines and put it where it had been .
A.looking
B.looked
C.to look
D.and looked
慢性阻塞性肺气肿的主要特征是()
A.大气道阻塞
B.小气道阻塞
C.桶状胸
D.胸片示肺纹理粗重
E.慢性咳嗽、咳痰