常见的物态变化，属于升华现象的是

题干

常见的物态变化，属于升华现象的是（）

A：冰箱冷冻室的内壁出现霜

B：池塘的水面产生一层薄冰

C：衣柜里的樟脑丸逐渐变小

D：洒在地板上的水很快变干

上一题下一题 0.0难度选择题更新时间:2017-12-14 10:57:25

阅读下面的图表，做51～53小题。

Dolphins live in the water, but they’re not fish.

When they swim, they often jump out of the water.

Dolphins are very friendly to people. Would you like

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