问题
单项选择题
( )是以石英砂、纯碱、石灰石和长石等主要原料以及一些辅助材料在高温下熔融、成型、急冷而形成的一种无定形非晶态硅酸盐物质，是各向性的脆性材料。
A．装饰石膏板
B．塑料壁纸
C．铝合金装饰板
D．玻璃
答案
参考答案：D
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( )是以石英砂、纯碱、石灰石和长石等主要原料以及一些辅助材料在高温下熔融、成型、急冷而形成的一种无定形非晶态硅酸盐物质，是各向性的脆性材料。
A．装饰石膏板
B．塑料壁纸
C．铝合金装饰板
D．玻璃
参考答案：D
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