有效地备课保证有效的课堂,教师必须“研”在课前,实现知识与教学贯通。做到掌握学情,分类推进,使学生在不同程度上科学发展,反之,对学生的基本情况、学习态度、知识要求、接受能力一无所知,或若暗若明,容易脱离学生实际,造成教学失败。 Effective preparation lesson to ensure effective classroom, teachers must “research ” before the class, to achieve knowledge and teaching through. To master the learning, classified promotion, so that students in varying degrees of scientific development, on the contrary, the basic situation of students, learning attitude, knowledge requirements, ability to accept nothing, or if subtle, easily separated from the students, Cause teaching failure.