限时讲授是在新课标深度推进的背景下,为适应教学发展而提出的教学理念。限时讲授直指教师课堂教学,要求教师调整教学内容,缩减教学时间,腾出课堂容量,给予学生自主学习、思考、探索、创造的时间和空间。在要求教师“交出课堂”的同时,限时讲授还要求教师做到两个层次:即“讲好”和“导好”。讲好即教师在有限的教学时间内精讲、巧讲,保证教学质量的同时提升教学效率;导好则要求教师在给予学生学习自主性的同 Teaching on a limited time is a teaching concept put forward in order to adapt to the development of the teaching under the background of the new curriculum standard. Time-limited teaching directed at teachers in classroom teaching, requiring teachers to adjust the teaching content, reduce teaching time, free classroom capacity, giving students independent learning, thinking, exploring, creating time and space. At the same time that teachers are required to “surrender to the classroom”, the time-limited teaching also requires teachers to do two levels: namely “speaking well” and “guiding good”. Speaking is good teachers in a limited period of teaching time, clever stresses, to ensure the quality of teaching at the same time improve teaching efficiency; guide is required for teachers to give students the same autonomy in learning