10月23日，学生们进行坐姿训练。夹着纸张练站立、拖着重物练臂力、舞蹈芭蕾练形体、每时每刻修礼仪……这些是哈尔滨航空服务中等专业学校近7000名学生必须面对的“必修课”。为了成为乘务员、安全员甚至飞行员，他们要无数次重复这些枯燥的练习，掌握供餐服务、安全演示、紧急撤离、机上灭火等必备技能。在超过520小时的专业训练后，才有可能进入航空公司任职。[新华社 王松 摄]
Students of Harbin Air Service Secondary Vocational School practice their sitting posture in Harbin, Northeast China's Heilongjiang province, Oct 23, 2014. Etiquette and security training is compulsory for the 7,000 students in the school who must pass a 520-hour training regimen to apply for a job in an air company. [Photo/Xinhua]