用墨书写的字画久不褪色,是因为墨的主要成分碳在常温下具有( 

用墨书写的字画久不褪色,是因为墨的主要成分碳在常温下具有(   

A. 氧化性           B. 还原性       C. 吸附性       D. 稳定性

答案

D

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