“入山见木,长短无所不知;入野见草,大小无所不识。然而不能伐

“入山见木,长短无所不知;入野见草,大小无所不识。然而不能伐林以作屋,采草以和药,此知草木所不能用也”。造成上述现象的根本原因是

A.不懂得实践是认识的来源                 B.不懂得实践是认识的目的

C.不懂得实践是认识发展的动力             D.不懂得实践是检验认识真理性的唯一标准

答案

B

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