在初中生物教材安排的96个实验中,学生实验有57个,教师演示实验有39个,这说明观察实验贯穿于全部实验教学中。因此,教师要借助于实验教学,培养学生具有全 In the 96 experiments arranged in junior high school biology textbooks, there are 57 student experiments and 39 teacher demonstration experiments. This shows that the observation experiment runs through all experimental teaching. Therefore, teachers should use experimental teaching to train students to have full