优化课堂教学 ,提高学生素质 ,是实施素质教育的重要环节 ,也是重要途径。要提高学生素质首先要研究课堂教学 ,要提高素质教育质量 ,首先要向课堂4 5分钟要质量 ,下面结合自己的教学实际 ,谈几点粗浅的看法。一、精心设计导言 ,唤起学习动机在生物教学中适当采用多种形式导入新 Optimizing classroom teaching and improving the quality of students is an important link in the implementation of quality education, and it is also an important approach. To improve the quality of students, we must first study classroom teaching. To improve the quality of quality education, first of all, we must give quality to the classroom for 45 minutes. The following combination of our own teaching practice, we should talk about some superficial views. I. Carefully designing the introduction to arouse the motivation of learning