不通过颈静脉孔的结构是() ["颈内静脉","舌咽神经","副神经","迷走神经","舌下神经"]
成人正常呼吸频率为() ["10次以下\/分钟","10~15次\/分钟","16~22次\/分钟","23~30次\/分钟","30次以上\/分钟"]
矾肥水
主要用于巴比妥类药物中毒的解救药物是() ["尼可刹米","多沙普仑","贝美格","洛贝林","回苏灵"]
随淬火冷却起始温度提高,高速钢淬火回火后()。 ["强度增高,韧性下降","强度降低,韧性增高","强度和韧性无明显变化","强度有所增高而韧性无明显变化"]
大立菊