高中生物光合作用一节，既是重点又是难点。怎样让学生在学习这节课时，在头脑中形成连续的、动态的光合作用的流程图，同时达到激发学生学习兴趣、充分理解知识、提高能力的目的，我们经过反复研究、实验制作成了一件“叶绿体的构造及光合作用演示仪”。教具框架用木料制... The high school biology photosynthesis section is both important and difficult. How to allow students to form a continuous and dynamic flow chart of photosynthesis in their minds while learning this lesson. At the same time, they achieve the purpose of stimulating students’ interest in learning, fully understanding knowledge, and improving their abilities. After repeated studies and experiments, we have become a “The chloroplast structure and photosynthesis demonstration instrument.” The teaching aid frame is made of wood...