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随着课程改革的不断深入,各地中考试题更加密切联系实际,从生活走向物理,从物理走向社会,突出“STS”意识的考查;重视物理过程与方法,突出试题的开放性和探究性;注重不同知识块之间的渗透,着重学科综合能力的培养;突出实验能力的考查,培养学生创新意识和实践能力.电功和电功率是初中物理的重点章节,由于它们集电学主要规律于一体,难点也较突出,所以新题型多.现以近两年各地中考试题为例,就有关电功、电功率的新题型进行归类解析,借此抛砖引玉.
With the continuous deepening of curriculum reform, local examination questions are more closely related to reality, from life to physics, from physics to society, to highlight the “STS” consciousness of the examination; emphasis on physical processes and methods, highlighting the openness and inquiry of the questions; The infiltration between different knowledge blocks emphasizes the cultivation of the comprehensive ability of the subject; highlights the examination of experimental ability and cultivates students’ innovative awareness and practical ability. Electrical power and electric power are the key chapters of junior high school physics, due to their integration of the main laws of electricity collection and difficulties Also more prominent, so many new questions. Now in the past two years in various local exams as an example, the new questions related to electrical power, electric power classification analysis, to throw jade.