语言是人类特有的交流思想的工具,而言语是个体借助语言材料来传递信息、交流思想、表达情感的过程,是对语言工具的运用,是人类特有的一种交际活动,语言也是人类所特有的一种艺术。课堂讲授是教师言语的一种主要表现,教师在课堂讲授中为学生施加特定影响而进行的言语活动。这种交际活动,主要是围绕教学信息的传递、教学内容的转移而进行的。这种交际活动虽是双向的,但往往是以教师向学生传递为主。教师课堂上讲授言语是书面言语与 Language is a unique tool for the exchange of ideas of human beings. As a language, individuals use the language materials to transmit information, exchange thoughts and express emotions. They are the application of language tools, a kind of communicative activity unique to human beings, and the language is also unique to human beings A kind of art. Classroom lectures are a major manifestation of teacher speech and verbal activity in which teachers exert particular influence on students in class lectures. This communicative activity is mainly around the transfer of teaching information and the transfer of teaching contents. Although this communicative activity is two-way, it is often based on teachers’ passing on to students. Teachers speak the language in the classroom is a written language and