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随着素质教育实践改革和理论研究的不断扩展深入,高考对中学物理教学由应试教育转向素质教育的导向作用极为重要。如何发挥高考试卷促进中学教学向全而提高学生素质转变的正向功能,是高考命题的一个重要课题。1998年普通高等学校招生全国统一考试物理科第23题就是充分体现这一功能的好题。原题:如图1所示,在x轴上方有垂直于xy平面
With the continuous expansion of the practice reform and theoretical research of quality education, it is very important for the college entrance examination to transfer the examination-oriented education to quality education. How to play the positive function of high examination papers to promote the transformation of middle school teaching to improve the quality of students is an important topic of college entrance examination propositions. The twenty-third question of the Physics Department of the Unified National Examination for Higher Education Enrollment in 1998 is a good question that fully reflects this function. The original question: As shown in Figure 1, above the x-axis there is a perpendicular to the xy plane