随着新课程改革的不断深入,探究有效教学方法已经成为建立生物高效课堂教学的重点,针对“肺与外界的气体交换”这一节内容,使用了演示实验、生活用具以及多媒体动画等课堂教学手段,将本节的抽象化知识更加形象化,增强了生物课堂教学效率。 With the deepening of the reform of the new curriculum, exploring effective teaching methods has become the focus of bio-efficient classroom teaching. In response to the section entitled “Gas exchange between the lungs and the outside world”, demonstration experiments, household appliances and multimedia animations are used Classroom teaching methods will be more abstract visualization of this section, and enhance the efficiency of biological classroom teaching.