上腹部手术麻醉采用CEA,要使胸式呼吸不被抑制,麻醉阻滞平面不宜超过() ["T2","T3","T4","T6","T8"]
关于老年人的呼吸生理改变以下哪种说法是错误的() ["通气功能降低","肺活量降低","气道阻力降低","残气量增加","时间肺活量降低"]
行政楼层每间客房的面积一般不小于()平方米。 ["20","30","40","50"]
使用全国警员基本信息资源库,查询姓名为黑永华警员,其警号为()。 ["67125","54128","67888","69512"]
不是输油站内防静电措施的是() ["A、穿防静电工作服","B、四螺栓法兰用导线跨接","C、用塑料桶盛装泄漏汽油","D、进入站场内穿着防静电鞋"]
什么是程序中的注释?包括哪几种主要类型?