师:上课。生:起立,老师好!师:同学们好,请坐下!师:同学们,刚才我们之间的对话属于什么内容?生:是一种开课形式。生:是一种客套。生:是一种上课程序。师:你们说的既对又不对。说对,是因为这几个字确实已经成为了一种比较固定的上课程式;说不对,那是说明你们有口无心,不是真的在问“老师好”呀。生:(面面相觑,一脸茫然,转而窃窃私语,不好意思地微笑)这……那…… Teacher: class. Students: Stand up, the teacher is good! Teacher: Good students, please sit down! Teacher: Students, just what the dialogue between us belongs to? Health: is a kind of start-up form. Health: is a polite. Health: is a kind of class procedures. Teacher: You’re both right and wrong. To be right, it is because these few words have indeed become a more fixed course formula; that is wrong, it shows that you have a mouth unintentional, is not really asking “Teacher is good ” Yeah. Health: (look at each other, a look of loss, instead whispering, sorry smile) This ... that ......