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【多选题】
关于固态物质的熔点和凝固点的以下说法中，不正确的是 [     ]
A.
任何固态物质都有一定的熔化温度，这个温度叫做熔点
B.
晶体熔化时，温度保持不变，这个温度叫做晶体的熔点
C.
非晶体在凝固时的温度叫它的凝固点
D.
冰的熔点和水的凝固点相同，都是0℃
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