单选题
According to the passage glass cools and becomes rigid differently from metals because ______.
A、
it has an unusually low melting temperature
B、
it does not set up a network of inter3ocking crystals
C、
it has a random molecular structure of a liquid
D、
it is made from a mixture of silica, lime, and soda
【正确答案】
B
【答案解析】
由第二段倒数第二句话可以得到答案。
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