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在物态变化中,升华和凝华是同学们最不熟悉的物态变化形式,虽然它不时发生在我们的身边,但由于其过程的缓慢而往往被我们所忽视,对它们的感性认识少,使得同学们认识和学习这两种物态变化困难重重.从对“升华、凝华”这一知识板块考查的形式来看,主要是以选择题题型出现.选择题是各类考试中最为常用的一种题型.选择题主要考查对物理概念、物理现象、
In the change of state, sublimation and desublimation are the most unfamiliar state changes of students. Although it happens to us from time to time, it is often neglected by us because of its slow process, and less awareness of them , Making students understand and learn these two kinds of physical changes difficult.From the “sublimation, condensate,” the knowledge section of the examination of the form of view, mainly in the choice of question types appear. The most commonly used exam questions in a variety of questions. Multiple choice questions mainly examine the physical concepts, physical phenomena,