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【简答题】

通用塑料的类型包括下面哪种物质?()
A聚乙烯
B聚苯乙烯
C聚丙烯
D无机玻璃

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参考答案:
参考解析:
.
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【单选题】Desperately short of living space and erously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...

A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water

【单选题】四元轴烯t、苯乙烯b及立方烷c的分子式均为C 8 H 8 。下列说法正确的是( )

A.
b的同分异构体只有t和c两种
B.
t、b、c的二氯代物均只有三种
C.
t、b、c中只有t的所有原子处于同一平面
D.
t、b、c中只有t和b能使酸性KMnO4溶液褪色

【单选题】聚乙烯属于(    )。

A.
碳链聚合物    
B.
杂链聚合物    
C.
元素聚合物
相关题目:
【单选题】Desperately short of living space and erously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...
A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water
【单选题】四元轴烯t、苯乙烯b及立方烷c的分子式均为C 8 H 8 。下列说法正确的是( )
A.
b的同分异构体只有t和c两种
B.
t、b、c的二氯代物均只有三种
C.
t、b、c中只有t的所有原子处于同一平面
D.
t、b、c中只有t和b能使酸性KMnO4溶液褪色
【单选题】聚乙烯属于(    )。
A.
碳链聚合物    
B.
杂链聚合物    
C.
元素聚合物