“上课!”“起立!”“同学们好!”“老师,你好!”这是多么熟悉的课堂问候。有时看看学生,每次师生问候时,机械般鞠躬,有的甚至懒得弯腰,以点头代替。我不禁想问:这问候真的让师生沟通、亲近起来了吗?很显然,没有!这样的问候只是一道固定的程序,一个必要的过渡,更是已经习惯了的传统。是谁需要这个程序?无疑是老师。老师需要它来开启课堂的前奏,需要它来维护为师的尊严。而学生则 “Class! ” “Stand! ” “Classmates are good! ” “Teacher, hello! ” What a familiar class greeting. Sometimes look at the students, each time teachers and students greetings, mechanical bow, and some are too lazy to bend over to nod instead. I can not help but wonder: Is this greetings really letting teachers and students communicate with each other and getting close? Obviously, no such greetings are just a fixed procedure, a necessary transition, and a tradition that has become accustomed to. Who needs this app? It’s undoubtedly a teacher. The teacher needs it to open the prelude to the class and need it to maintain the dignity of the teacher. While students are