急诊处理急性尿潴留最常用的方法是
A．耻骨上膀胱穿刺造瘘
B．急诊导尿
C．耻骨上膀胱穿刺抽尿
D．膀胱镜检查
E．快速输液
参考答案：B
The country itself didn't have enough gas because of the war, so the government decided to ____ its
gas supplies to other countries. [ ]
A. hide away
B. cut off
C. insist on
D. break down
过共析钢的含碳量为（），其组织为（）和（）。
