著名的语文教育专家于漪老师曾经说:“课的开始,其导入就好比提琴家上弦、歌唱家定调,第一个音定准了,就为演奏定下了基调。”导入是课堂教学的一个重要环节,成功的导入既能让学生对新课产生兴趣,又能激活他们的求知欲,为后续的学习打下良好的基础,有时甚至关系到授课的全局和教学效果的好坏。导入环节在一堂课中所占的时间有限,通常只有3~5分钟,因此必须 Well-known language education expert Yu Yi teacher once said: “The beginning of the class, the introduction is like the violinist, singer fixed tone, the first tone is determined, set the tone for the performance.” "Import is the classroom As an important part of teaching, the successful introduction not only enables students to become interested in the new course but also stimulates their curiosity, which lays a good foundation for further study and sometimes even affects the overall teaching quality and the teaching effect. The lead-in session takes a limited amount of time in a lesson, usually only 3 to 5 minutes, so it must