下列说法不正确的是                               

下列说法不正确的是                                        (       )

A.经典力学只适用于宏观物体和低速运动的问题

B.20世纪初,爱因斯坦提出了狭义相对论,引起人们对时空认识的革命

C.当普朗克常量不能忽略不计时,量子力学和经典力学的结论没有区别

D.爱因斯坦建立了狭义相对论,把物理学推到高速领域

答案

C

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