Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.
71. Along the major riversthat traverse the deserts of northeast Africa, the Middle East, and northwest India,the combination of a reliable supply of water and good growing conditionsboth encouraged farming traditions that, in places, endure in at least 6,000years
(A) good growing conditionsboth encouraged farming traditions that, in places, endure in
(B) good growing conditionsencouraged farming traditions that have, in places, endured for
(C) of good growingconditions have encouraged farming traditions that, in places, endured for
(D) of good growingconditions both encouraged farming traditions that have, in places, endured
(E) of good growingconditions encouraged farming traditions that have, in places, been enduring for
答案是B没有问题，但老题新问想到一个其他的地方
在这里，combination of A and B, 由于combination自身的含义，因此这里B和A做平行
我想问的是，用其他的词替代combination，比如effect of A and B, B能直接和effect平行吗 （而不是和A平行）？或者说我能写成effect of A and of B 的结构吗？
谢谢！！
我觉得楼主说的A和B平行，主要是因为没有歧义
如果combination后面没有of a reliable supply of water and of good growing conditions是可以平行的
但因为有了前面那个of 意思可以理解成the combination of a reliable supply of water and the combination of good growing conditons
71. Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.
(A) good growing conditions both encouraged farming traditions that, in places, endure in
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for
(D) of good growing conditions both encouraged farming traditions that have, in places, endured
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for
关于楼主的问题 effect of A and B，这就是GMAT最忌讳的ambiguous，通俗来说就是你到底要说啥？
＝effect of A and B of... / effect of A and of B... / effect of A and B????? who knows!!!!
我想楼主在这里纠结的是the conbination of a reliable supply of water and good growing conditions 到底平行在哪里。
1）从语义上分析，2样东西encourage farming traditions that ...... 跨度是600年。
2) 从语法上分析，combination of A and (of) B ＋V，both要来干嘛？有了combination还要both，未免太多余了，剩下BCE。那么分析endure，endure一般用作持续性名词（读这个词也可以感觉出来），那么后面的6000年，基本就是for了，那么在时间状语很明确是for 6000 year的情况下，endure用完成时，即that have endured for。那么E为啥错呢？既然你用了endure表示持续的意境了再用enduring未免也太重复了，gmat说要简介啊！
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发表于 2014-7-26 12:02:33
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