<SC求教> 关于than 后面的do 的问题

smilingeye · 发表于 2011-8-31 17:33:50

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. (source: OG 2nd edition verbal review SC38)

(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
------------------------
OG 的解释为：
the verb "do" ungrammatically interrupts the comparison and should be eliminated.

疑问：
看不懂这个解释，我的理解是，do在这里可有可无。请各位赐教。谢谢！

flyst7 · 发表于 2011-8-31 17:44:48

我觉得不能有答案是E吧 ……没做过og 汗颜

是这样滴如果是省略结构那么应该能够还原

还原后是个倒装好像没有倒装的道理所以如果有do 也是 than those raised in confinement do

<SC求教> 关于than 后面的do 的问题

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