()是调酒师首先必须具备的职业道德。 ["A.热情服务","B.做好清洁卫生,确保客人健康安全","C.平等待人","D.看人服务"]
下列关于新生儿心脏按压,错误的说法有() ["按压部位在胸骨下部","按压部位在胸骨中部","按压深度为1~2cm","心脏按压与人工呼吸之比为5:2","按压频率要快于成人"]
客车电风扇的基本工作原理是什么?
下列哪些因素在分娩时可促进代谢性酸中毒的() ["子宫收缩加强","肌肉活动增强","疼痛紧张","母体过度通气","体力消耗"]
()是衡量一位调酒师实践操作水平高低的最重要标准。 ["A.专业技能","B.文化水平","C.仪容仪表","D.职业道德"]
什么叫容量损失?