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  3. [originaltext]Why do most solid objects melt if they get hot enough?[/originalt

[originaltext]Why do most solid objects melt if they get hot enough?[/originalt

游客2023-09-26  40
问题  
Why do most solid objects melt if they get hot enough?
选项 A、It is the effect of the heat on the objects atoms.
B、They move out of their usual places.
C、Its atoms move too fast.
D、Atoms hold together and give the object its shape.
答案 A
解析 先听懂“Why is this? It is the effect of the heat on the objects’ atoms.”然后抓问题“Why do most solid objects melt if they get hot enough?”(为什么大多数固体遇热后溶化?)选择A项正确。
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