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标题: for doing and to do 表目的的区别 [打印本页]

作者: Benite    时间: 2012-1-19 10:56     标题: for doing and to do 表目的的区别

蓝皮Section 22, 第5题

In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limited their potential to relieve severe pain.
A. which may limited their potential to relieve
B. Which
C. Which
D. an effect that may limit their potential to relieve
E. an effect that may limit the potential of such analgesics for relieving

正确:E
不是说在GMAT中表目的的情况下优先to do sth,而不是for doing sth的吗??
作者: kronorrt    时间: 2012-1-20 11:11

这里TO DO和FOR DOING语法上都没有错误,问题在于THEIR的指代,THEIR  此处逻辑上指代analgesics,但是因为前一句中过多的复数名词导致MISLEADING AND UNCLEAR MEANING,所以E优选于D
作者: Benite    时间: 2012-1-20 21:59

谢谢了,做题的时候看都没看,就直接把E排掉了。呵呵
作者: uniquenellier    时间: 2012-2-2 06:41

定语从句原则直接排除ABC,their指代歧义,只有E能选之前我看到for doing也是直接排除掉,不过后来题越做越多,发现很多例外。

现在的感觉是好像do sth to do,表示一次性的目的,解释为“做某事来达到某个目的”sth for doing sth,表示某个事物的目的,不是一次性目的,解释为“某个事物存在的目的”

如果有哪里理解的不对,大家多多讨论啊:)
作者: voleroiseau    时间: 2012-2-2 21:41

但是我刚看了OG12 SC15题,正巧是表示一个机构存在的目的,用的是to do,解释说for doing不符合语言习惯。




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