Many pure metals have little use because

tikufree2019-12-17  20

问题 Many pure metals have little use because they are too soft,rust too easily,or have some other drawback.

选项 A:propertyB:additiveC:disadvantageD:disparity

答案C

解析本句意思:很多纯金属用处很小,因为它们要么太软,太容易生锈,要么有某种其他缺点。drawback缺点。disadvantage缺点;property属性,性质;additive添加剂;disparity不同,不 等,不一致。
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