单项选择题
A.清洁卫生质量 B.了解员工的工作状态 C.以是否正确使用清洁工具和清洁剂 D.督促工作
A.How could you settle your account? B.Would you please show me your passport? C.Have you made room reservation,please? D.How long do you intend to stay?
A.明确质量标准 B.坚持全面质量控制 C.树立质量意识 D.预防为主,未雨绸谬