根据《合同法》的规定,在下列合同中,属于效力待定合同的是( )。

根据《合同法》的规定,在下列合同中,属于效力待定合同的是( )。

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John Albright, who worked briefly as a hotel porter, has dev

John Albright, who worked briefly as a hotel porter, has developed accurate keyb

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资产净利润率是反映企业( )能力的指标。

资产净利润率是反映企业( )能力的指标。

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