目前,学校教育正处在由应试教育向素质教育的转轨阶段。课堂教学是落实素质教育的主渠道,新课程改革是实施素质教育的关键。那么,如何优化课堂教学,使学生都能主动地学习呢?我们在大量实践的基础上,提出了《“问题·分层·活动”课堂教学模式探索》科研课题。其宗旨是以解决问题作为教学的出发点,激发学生的学习兴趣,使所有学生在迫切需要的情况下学习;以 At present, school education is in the transition from exam-oriented education to quality-oriented education. Classroom teaching is the main channel to implement quality education. The new curriculum reform is the key to implement quality education. So, how to optimize classroom teaching so that students can take the initiative to learn? On the basis of a large number of practice, we put forward the “research topic of” problem, hierarchical activities "classroom teaching mode exploration. Its purpose is to solve the problem as a teaching starting point, to stimulate student interest in learning, so that all students in urgent need of learning;