请教Review分册里语法第38题

tracyxuyang · 发表于 2011-12-17 16:40:48

A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves . they will require less medication and gain weight quicker than do those raised in confinement.

为什么是calves 和those 之间的比较，而不是calves require and gain 与 those do 之间的比较

HarrisZheng · 发表于 2011-12-19 19:14:03

比较对象是calves和those raised in confinement. 比较内容是 require less medication and gain weight quicker

如果 calves require and gain 与 those do 之间的比较请问比什么?

虽说GMAT不需要额外的知识背景, 但是GMAC assumes that参加者都是具有正常思维和智商的.

请教Review分册里语法第38题

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