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物质的物理特征

> 人们常说井水冬暖夏凉，这是因为 A.井内冬夏温度变化小，地面冬夏温度变化大，所谓“冬暖夏凉”是井水温度与地面温度比较而言的 B.井水受地热的作用而有较多的热能 C.井水远离地面，不受空气流动的影响，因而具有较多的热能 D.井水暴露在空气中，夏天气温高，蒸发得快，吸收了较多的热量，因而温度较低

问题：

发布时间：2024-09-13

人们常说井水冬暖夏凉，这是因为

A.井内冬夏温度变化小，地面冬夏温度变化大，所谓“冬暖夏凉”是井水温度与地面温度比较而言的
B.井水受地热的作用而有较多的热能
C.井水远离地面，不受空气流动的影响，因而具有较多的热能
D.井水暴露在空气中，夏天气温高，蒸发得快，吸收了较多的热量，因而温度较低

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