高中《生物》课本中,光合作用的教学目的是通过讲述光合作用过程中物质和能量的变化,使学生理解光合作用的实质及其意义。这部分知识中概念多、原理深,是全书的教学难点之一。为了使学生能够全面深刻地理解教材,我进行了根据学生思维规律来组织课堂教学的尝试。一、注意揭示新旧知识之间的联系 In the Biology Biology textbook of high school, the purpose of photosynthesis teaching is to enable students to understand the nature and significance of photosynthesis by telling the changes in matter and energy during photosynthesis. This part of the concept of knowledge, the principle of deep, is one of the difficult teaching of the book. In order to enable students to fully understand the textbook, I conducted an attempt to organize the teaching of the classroom according to the law of thinking of students. First, pay attention to reveal the connection between old and new knowledge