光合作用是历年高考中重要考点之一,其内容多,难度大,考试频率高。从试题形式上看,多以坐标图、实验题的形式出现,特别是二氧化碳、光照、温度对光合效率的影响。例如2004年上海卷第40题就是属于很精典的光合作用考题,此题不仅涵盖光合作用的基础知识,还可以对光合作用的重点内 Photosynthesis is one of the important test sites in the college entrance examinations over the years. It has many contents, and it is difficult and the test frequency is high. Judging from the form of test papers, they mostly appear in the form of graphs and experiments, especially the effects of carbon dioxide, light, and temperature on photosynthetic efficiency. For example, the 2004 Shanghai issue 40 is a highly detailed photosynthesis test that covers not only the basic knowledge of photosynthesis but also the focus of photosynthesis.