试题与答案

改变物体内能的方式有两种:做功和热传递.两手相互摩擦发热属于用 ______方式

题型:填空题

题目:

改变物体内能的方式有两种:做功和热传递.两手相互摩擦发热属于用 ______方式使物体内能增加,用火加热水壶中的水属于用 ______方式使物体内能增加.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错

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