大全 Section7-2 助动词补出和if用法

liz_summer · 发表于 2010-8-20 01:29:56

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
关于答案我有两个问题啊
1.than后面要不要有do呢？如果没有those会不会有歧义指medication或是weight？
看到cd里一个精华帖说前面有两个动词，所以不要补出助动词这是什么意思？
http://www.chasedream.com/show.aspx?id=172&cid=41

2.OG12-122不是说 A will happen if B happens
但这里直接就是A happens if B happens...
有疑问
请大家帮帮忙谢谢各位~~

cooldavy · 发表于 2010-8-20 07:48:13

c和d选项是时态错，而助动词补出与否都可以是正确答案的

liz_summer · 发表于 2010-8-22 14:50:57

但是答案也不是那个句型诶~奇怪

liwuruiyun · 发表于 2015-8-29 18:55:12

感谢分享！

sjray637 · 发表于 2015-8-29 19:51:09

这个题可以用平行来做的……exercise和associate平行直接杀掉ABC，剩下DE，D里have done和will do明显太不好看了……直接杀，选E

GMAT要上700 · 发表于 2017-11-25 16:17:08

我选E是因为manhattan上面有说过如果形容词比较后面可以接-ly的就一定不要用-er来比较。只有形容词没有-ly结构时才可以用-er来进行比较。
不知道对不对哈

大全 Section7-2 助动词补出和if用法

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