改进教学方法和手段,提高课堂教学效率是每一位老师面对新课改的责任和义务。在对初中生物教学中的这个问题进行了实践探索,取得了理想的效果。 Improve the teaching methods and means to improve the efficiency of classroom teaching is that every teacher faces the responsibility and obligation of the new curriculum reform. This problem in junior high school biology teaching has been explored in practice and achieved satisfactory results.