课堂教学中导入环节虽然用时短,但有效的导入可以较好地激发学生学习欲望、明确学习目标、引导思维活动,帮助学生以积极主动的姿态投入到学习活动中去。因此,在高中化学教学中我们应关注新授导入的科学性、艺术性和针对性。 Although the use of short-term induction into classroom teaching, but effective introduction can better stimulate students desire to learn, a clear learning objectives, and guide thinking activities to help students take a proactive attitude into learning activities. Therefore, in high school chemistry teaching, we should pay attention to the scientific, artistic and pertinence introduced by the new teaching.