Young people usually have more e________ than old people .刚才在energY在有道词典上查了复数是刚才在energies.

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Young people usually have more e________ than old people .刚才在energY在有道词典上查了复数是刚才在energies.
Young people usually have more e________ than old people .
刚才在energY在有道词典上查了复数是刚才在energies.

Young people usually have more e________ than old people .刚才在energY在有道词典上查了复数是刚才在energies.
energy作“能力”解时通常用复数形式.
作“精力”及“能量”解时是不可数的,用单数形式.
这道题是“精力,能量”的意思.所以不能用energies.
例1.He brought new energy to the science department.
他为科学部门带来了新的能量.
例2.We hope you will call forth all your energies in doing this work.
我们希望你们做这项工作时全力以赴(能力).