切实减轻学生负担、提高教学质量的关键在于实现教学过程的最优化，而优化课堂教学则是教学过程最优化的核心。优化课堂教学，就意味着从培养学生全面发展这个特定标准出发，以现在教学条件为依据，选择并实施这种条件下的课堂教学方案。为此，教师应首先转交教学指导思想，破 The key to effectively reduce the burden on students and improve the quality of teaching is to optimize the teaching process, while optimizing classroom teaching is the core of teaching process optimization. Optimize the classroom teaching, it means starting from developing students to develop a specific standard starting from the current teaching conditions, based on the choice and implementation of classroom teaching under such conditions program. To this end, teachers should first turn to the teaching guiding ideology, broken