建设有效课堂,科学备课是重点。第一,要充分了解学生,以学生为主体设计课。每个学生都有不同于他人的先天素质和生活环境,都有自己的爱好、特长和不足,在学生成绩、生理特点、动机兴趣等方面具有差异,这些都使不同学生的发展目标、发展速度、发展轨迹呈现一定的独特性。教师 Building an effective classroom, science preparation is the key. First, we must fully understand the students, design students as the main course. Each student has its innate qualities and living environment which are different from others. Each student has his own hobby, specialty and inadequacy. There are differences in student achievement, physiological characteristics, motivation and interest, which all make different students' development goals and development speed , The development path presents a certain uniqueness. teacher