减轻学生沉重的课业负担是推进素质教育的必然要求和重要标志,提高课堂教学效果是减轻学生负担的重要一环,而“加重”教师负担、提高授课质量则是提高课堂教学效果的必要前提。学生课业负担屡减不轻的主要原因,一是在应试教育指挥棒的引导下,题海战术、加班加点所致;二是?.. It is an inevitable requirement and an important symbol to reduce the burden of students' heavy academic assignment. Improving classroom teaching is an important part of reducing the burden on students. To “increase” the burden on teachers and improve the quality of teaching is the necessary prerequisite to improve the effectiveness of classroom teaching. The main reason why the students' academic burden is not reduced repeatedly is that under the guidance of the examination-oriented education baton, the problem-solving tactics result from working overtime;