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汽车是同学们所熟悉的交通工具。随着人们生活水平的提高,汽车也逐渐进入了家庭。在近几年的中考试题中,以“汽车”为题材的题目大量涌现,成为中考命题的重要趋势及热点。汽车问题综合性强,难度大,往往以压轴题的形式出现。考查的知识点包括密度、压强、运动、热量、能量转化、功与功率、效率等;太阳能汽车还涉及电功率的内容。为了方便,本文按小题分析,实际的中考题往往是这些小题的“积木式”组合。
Cars are familiar vehicles for classmates. As people's living standards improve, cars have gradually entered the family. In recent years, the mid-term exam questions to “car ” as the theme of a large number of topics emerged as a test of the important trends and hot topics. Comprehensive car problems, difficult, often in the form of pressure axis problems. Knowledge points to examine include density, pressure, movement, heat, energy conversion, work and power, efficiency, etc .; solar energy vehicles also involve the content of electric power. For convenience, this article is based on a small topic analysis, the actual test questions are often these small questions “building blocks ” combination.