题目内容

聚乙烯醇

A. polyvinyle alcohol
B. polyvinyl alcohol

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粘稠性，稠度

A. consistency
B. consistense

macromolecule

A. 大分子
B. 小分子

高聚物

A. polymer
B. monomer

To contrast the difference, the molecular weight of common salt is only 58.5, while that of a polymer can be as high as several hundred thousand, even more than thousand thousands.其中 that 指代（）