问渠那得清如许,为有源头活水来。对课本中重点知识和重点题型掌握不到位是物理学习中存在问题的根源,更谈不上知识的拓展和能力的提高.因而复习应从源头抓起,采用重点知识(列表对比)和重点题型(瞄准中考)并配备适当强化训练的方法.既能突出知识的重点和难点,又能针对中考,帮助学生从整体上把握所 Ask the canal that is clear, for the active living water. The lack of knowledge of the key knowledge and key questions in the textbook is the root cause of the problems in physics study, not to mention the expansion of knowledge and the improvement of ability.Therefore, review should start from the source, using the key knowledge (list comparison) and key questions Type (aimed at the test) and equipped with appropriate methods of intensive training, both to highlight the focus of knowledge and difficulties, but also for the test, to help students grasp the overall