我们生活中有太多的变化,下列描述主要涉及化学变化的是(   

 我们生活中有太多的变化,下列描述主要涉及化学变化的是(     

A.树根“变”根雕             B.葡萄“变”美酒

C.玉石“变”印章             D.玩具机器人“变”形

答案

B

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