20 0 0年全国高考物理第 1 7题属于“气缸活塞类型”的热学题 .从近年高考试题来看 ,多数试题考查的是玻意耳定律 ,可见 ,玻意耳定律是高考物理命题的热点内容 .下面就对 2 0 0 0年全国高考第 1 7题的解法做一些探讨 .题目　一横截面积为 S的气缸水平放置 ,图 1固定不动 .气缸 The 190th National Physical Examination Physics Question in 2000 belongs to the “Cylinder Piston Type” thermal problem. From the examination questions in recent years, most of the questions examined are Boyle’s Law. It can be seen that Boyle’s Law is the hot spot of the physical examination proposition in the college entrance examination. Contents. The following discussion on the solution to the 1st problem of the National College Entrance Examination in 2000 is to be discussed. Title 1 is placed horizontally on a cylinder with a cross-sectional area of ​​S, and Figure 1 is fixed.