纵观近几年的高考题,不论从原理、仪器装置,还是从流程方面看,都带着课本实验的影子。实验题源于课本,又不拘泥于课本。题型灵活多变、科学规范,对思维能力、动手能力要求高。我们必须认真剖析课本中的每一个实验,研究高考实验题,采用类比、归纳迁移的方法,引导学生找出它们的共同点,总结出规律性的东 Throughout the college entrance examination in recent years, no matter from the principle, instrumentation, or from the perspective of the process, all with the textbook experiment shadow. Experiment questions stem from the textbooks, not rigidly adhere to textbooks. Questions flexible, scientific norms, the ability of thinking, practical ability demanding. We must carefully analyze each experiment in the textbook, study the entrance exam questions, adopt the analogy, summarize the method of migration, guide the students to find out their common ground and sum up the law of the East