语言是教师传授知识的最基本工具之一，它直接影响着课堂教学的效果，教师语言的魅力，不仅能激发学生的学习兴趣、驱散疲劳、保持旺盛的学习热情，而且由于语言表达的不断更新，使学生始终处于兴奋状态之中，对于学生理解、记忆、提高教学质量是有作用的。 一教学要运用恰当的 Language is one of the most basic tools for teachers to impart knowledge. It directly affects the effect of classroom teaching and the charm of teachers’ language. It not only stimulates students’ interest in learning, dispels fatigue, and maintains a strong learning enthusiasm, but also due to the continuous update of language expression. Students are always in a state of excitement, which is helpful for students’ understanding, memory, and improvement of teaching quality. A teaching should use appropriate