新生儿败血症国内最常见的病原体是() ["大肠杆菌","厌氧菌","葡萄球菌","溶血性链球菌","肺炎球菌"]
切粒机切粒时,产生碎屑的原因有()。
Hornor综合征(Hornor’s syndrome)
锋面上的垂直运动是由()决定的。 ["冷暖空气中平行于锋面的风速大小","锋面坡度","A.B都对","A.B都错"]
颅内高压综合征的急救措施有哪些?() ["脱水、利尿","使用激素","保持呼吸道通畅","持续吸氧","严密观察神志、瞳孔变化"]
低频噪声low-frequency noise