脑疝的急救护理包括()
A.快速静脉滴注或滴注脱水剂
B.保持呼吸道通畅
C.充分给氧
D.密切观察呼吸、心跳、瞳孔变化
E.紧急做术前准备
参考答案:A, B, C, D, E
在下列哪种情况下,行业内竞争比较激烈()
A.行业进入导入期
B.行业进入壁垒高
C.资本运作比较频繁期
D.行业退出市场成本高
Most people_______ when the big earthquake took place in that area. [ ]
A. are sleeping
B. were sleeping
C. slept
D. sleep