西餐的第二道菜是()。 ["副菜","面包","色拉","汤"]
静注吗啡后,呼吸抑制最明显的时间是在注射后() ["1~2min","3~7min","8~10min","11~15min","16~20min"]
在灭菌前向容器中加入硫代硫酸钠,是为了()。 ["除去余硫","除去余钠","除去余氯","调节pH","除去余钙"]
按下列哪项公式推算失血量是正确的() ["失血量=[(原测得Hb一失血后HB./原测得Hb]×体重(kg)×7%","失血量=[(原测得Hb一失血后HB./失血后Hb]×体重(kg)×7%","失血量=[(原测得Hct一失血后Hct)/原测得Hct]×体重(kg)×7%","失血量=[(原测得Hct一失血后Hct)/失血后Hct]×体重(kg)×7%","失血量=[(原测得Hct一失血后Hct)/原测得Hb]×体重(kg)×7%"]
车削多线螺纹时,轴向分线时应按()分线。 ["A.螺距","B.导程","C.头数","D.角度"]
TADS的声学传感器阵列每侧有()个声学传感器。