在现行的高中生物课本中,“光与光合作用”一节是整个高中学习的重点之一,历年的省级考试,全国高考也作为常考内容。但由于此知识点联系较广,有一定难度,加之农村普通高中学生底子较差,学习起来有困难。在多年教学工作中,通过总结思考,就此节课教学工作提几点建议。一、理清经典实验,了解发现历程在光合作用发现的历程中,有许多科学家做了大量实验,学生通过了解历史,可以从中领略前人的思维和方法。例如,普里斯特 In the current high school biology textbook, “Light and Photosynthesis ” section is one of the focuses of the entire high school, provincial exams over the years, the national college entrance examination also as a regular test content. However, due to the wide contact point of this knowledge, there is a certain degree of difficulty. Coupled with the poor foundation of ordinary high school students in rural areas, it is difficult to learn. In many years of teaching work, through summary thinking, this lesson teaching work to make a few suggestions. First, sort out the classic experiment, to understand the discovery process In the course of the discovery of photosynthesis, many scientists have done a lot of experiments, students through understanding of history, you can appreciate the thinking and methods of their predecessors. For example, Priest