标题: OG13--第38题 求解~~！ [打印本页] 作者: vivian528 时间: 2012-8-21 00:34 标题: OG13--第38题 求解~~！ 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. A.associated with other calves, they will require less medication and gain weight quicker than do B.associated with other calves, they require less medication and gain weight quicker than C.associate with other calves, they required less medication and will gain weight quicker than do D.associate with other calves, they have required less medication and will gain weight more quickly than do E.associate with other calves, they require less medication and gain weight more quickly than 答案：E 对于主谓宾全的句型来说，主语之间的比较不是应该在后面补出do吗？加do是为了显示这是一个可以发出动作的名词，因而确定是主语，进而确定是主语对比。。。
they will require less medication and gain weight quicker than do 不知道下面这一段是否能解释你的问题：
Manhattan SC P57 Some verbs or forms derived from verbs have more than one word: was opening, can lose, to increase. You can often split apart these expressions, so that the first word or words count across all of the elements.
eg. The division WAS opening offices, hiring staff, AND investing in equipment. The railroad CAN EITHER lose more money OR solve its problems.