A. notify the competent authorities B. sound the alarm C. have passengers put on life preservers D. cut off air supply to the fire
A. 正确 B. 错误
A. 高磷血症 B. 低磷血症 C. 肠梗阻患者 D. 对碳酸司维拉姆或任何辅料过敏的患者