在教学过程中，既要把握好目标的重点，又要考虑以什么形式、何种教学手段来突出重点。经验告诉我们：以不同角度，多方位切入重点，可以提高学生的兴趣，活跃学生的思维，加深对重点内容的理解，提高教学效能。一、重点读高中生物学阐述了关于生物体生命活动本质方面的知识， In the teaching process, we must not only grasp the key points of the target, but also consider in what form and what kind of teaching means to highlight the key points. Experience tells us that by focusing on different points of view and from multiple perspectives, students’ interest can be increased, students’ thinking can be stimulated, understanding of key contents can be deepened, and teaching effectiveness can be improved. First, focusing on high school biology explains the nature of biological life activities.