课堂教学是素质教育的主渠道。随着素质教育的深入实施，改革课程设置，进行教学内容与方法的改革迫在眉睫。我们必须科学有效地调整优化课堂时间，提高课堂效率，培养学生能力。为此，我校进行了“长短课”课时改革实验。实施长短课即压缩长课，增加短课，保证总授课时间不变 Classroom teaching is the main channel of quality education. With the further implementation of quality education, the reform of curriculum, the reform of teaching content and methods is imminent. We must adjust and optimize the classroom time scientifically and effectively, improve classroom efficiency and develop students’ abilities. To this end, our school conducted a “length class” hours of reform experiments. Length of the implementation of the short course that is compressed, increase short courses, to ensure that the total teaching time unchanged