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关于第一和第二心音的判定，错误的是A.Sl音调较S2低B.s1至S2的距离较s2至下一心搏S1的距

关于第一和第二心音的判定，错误的是

A.Sl音调较S2低

B.s1至S2的距离较s2至下一心搏S1的距离短

C.桡动脉的向外搏动与S1同步或几乎同步

D.S2在心底较响

E.S1时限较S2长

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