第1个回答 2012-11-30
单数用法:不可数名词,体力,气力
He was saving his energy for next week's race in Belgium... 他正为下周在比利时的比赛养精蓄锐。
We try to boost our energy by eating. 我们试图通过吃东西来增强体力。
复数用法:可数名词,意思是 努力,精力
She had started to devote her energies to teaching rather than performing... 她已经开始将精力从表演转移到教学中。
We must concentrate our energies on treating addiction first. 我们必须首先集中精力治疗毒瘾
看来你的句子中,应该用单数。当然,前面的 much 也是判断使用单数的一个线索。本回答被网友采纳