一次，笔者到某小学听课。开始上课时，教师随便地甩出一句：“同学们好”，不郑重不真诚，学生吊儿郎当地回一句：“老师好”，不认真不热情，使课堂问候流于形式。课后问老师为何不注重师生课堂问候，回答是：“没多大意思。”其实，师生的课堂问候有着十分重要的意义。... Once, I went to a primary school lectures. At the beginning of class, the teacher casually threw out: “Classmates are good”, not serious and not sincere, students Lang Lang local back to the sentence: “good teacher”, not serious not passionate, so that classroom greeting flow in the form. After class, why does not the teacher pay attention to classroom teachers and students greetings, the answer is: “not much meaning.” In fact, teachers and students of classroom greeting has a very important significance. ...