自学的核心问题是学生主体性的发挥。学起于思,思源于疑。我们要鼓励学生在学习中提出问题,调动学生主体性的发挥。比如在学习《动物在自然界的作用》一课时,我从“生物圈Ⅱ号”实验失败的原因开始,引发学生思考:“动物在自然生态系统中有什么重要作用?”从而激发学生对生物知识的探求欲望。达尔文曾经说过:“最有价值的知识是关于方法的知识。”生物课堂对于生物学习方法的传授是生物教学的重中之重。平常的阅读,不管是课内的 The core issue of self-study is the student’s subjectivity. Learning from thinking, thinking from doubt. We should encourage students to raise questions in their studies and mobilize the students’ subjectivity. For example, when I was studying “the role of animals in nature”, I began with the reason why “Biosphere Ⅱ” failed because of experimental failures, which provoked students to think: “What is the important role of animals in natural ecosystems?” The search for biological knowledge desires. Darwin once said: “The most valuable knowledge is about methodological knowledge.” The teaching of biology in biological classrooms is a top priority in biology teaching. Normal reading, be it in class