人体缺铁会引起缺铁性贫血.这里“铁”一般是指( ) A.单质B.

人体缺铁会引起缺铁性贫血.这里一般是指(  )

A.单质B.元素C.原子D.分子

答案

【考点】元素的概念.

【分析】物质是由元素组成的,据此进行分析解答即可.

【解答】解:物质是由元素组成的,人体缺铁会引起缺铁性贫血,这里一般是指铁元素,故选B

 

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