反映心肺功能和缺氧程度的指标
A.实际碳酸氢盐(AB)B.PCO2和PO2C.CO2总量D.标准碳酸氢盐(SB)和碱剩余(BE)E.血氧饱和度
参考答案:B
The first African-American president of the United States received a(n) ____ welcome in the African
countries, where he was received as a returning son. [ ]
A. romantic
B. bureaucratic
C. enthusiastic
D. optimistic
下列属于煤气泄漏应急现场处理时,应该注意的地方,其中错误的是()。
A、立即疏散现场人员
B、应用湿毛巾捂鼻打开所有门窗
C、立即在现场打电话向上级报告情况
D、不准做敲击、摩擦、扳动电器开关等动作