古诗词是古人留给我们的宝贵精神财富。下列诗词中不涉及化学变化

古诗词是古人留给我们的宝贵精神财富。下列诗词中不涉及化学变化的是( 

A、好雨知时节,当春乃发生            

B、爆竹声中一岁除,春风送暖入屠苏

C、千锤万凿出深山,烈火焚烧若等闲    

D、春蚕到死丝方尽,蜡炬成灰泪始干

   

答案

A

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