何谓有效教学?即达到了预期的和生成的教学目标,能促进学生全面、和谐、可持续的发展的教学。“有效教学”意味着教师能够有效“讲授”、有效“提问”学生、有效地“激励”学生。一、有效“讲授”有效“讲授”的前提是吃透教材,定准目标。首先要熟悉和理解生物学科课程标准的要求;其次,要吃透教材,明晰教材的知识脉络、逻辑结构及各个知识点、能力点,在此基础上,结合学情,明确每节课的三维目标。然后对学生已有的知识经验 What is effective teaching? That is, to achieve the expected and generated teaching goals, to promote students a comprehensive, harmonious and sustainable development of teaching. “Effective teaching” means that teachers can effectively “teach”, “effectively” ask “students, and effectively” motivate “students. First, the effective ”teaching “ effective ”teaching " the premise is to thoroughly understand the material, set the target. First of all, we must be familiar with and understand the requirements of the curriculum standard of biology. Secondly, we should thoroughly understand the teaching materials, clarify the logic, the logical structure and the knowledge points and the ability points. On this basis, . Then have some knowledge of the student experience