2. 外语
  3. Atoms are like bricks because ______ . When the atoms of an object leave their usual places, we say that the object is ______ .

Atoms are like bricks because ______ . When the atoms of an object leave their usual places, we say that the object is ______ .

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问题 Atoms are like bricks because ______ .
When the atoms of an object leave their usual places, we say that the object is ______ .
选项 A、becoming smaller
B、becoming hotter
C、changing places
D、melting
答案D
解析 此题题干问“当一个物体的原子离开原先的位置，我们如何来形容这一变化”。原文第3段第3和第4句话指出当一个物体的原子离开原先的位置导致该物体变形，这种变化称为熔化。因此选项D. melting是正确答案。
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