下列材料中，属于绝缘体的是_刷题宝

题干

下列材料中，属于绝缘体的是（）

A：金属

B：橡胶

C：人体

D：食盐水溶液

上一题下一题 0.0难度选择题更新时间:2010-11-02 09:02:35

答案(点此获取答案解析）

B

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