OG13 71，关于and前后的平行对象

zhuang8825

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

答案是B；
可是我第一反应是good growing conditions前面要有supply，因为supply of water and (supply) of good growing conditions看起来更统一，大家怎么看？

li3360065

combination 的是reliable supply of water 和 good growing conditions 两个不同条件，结构是平行的。
如果要把supply of 加上去的话 整个句子 是 combination of a reliable supply of water and OF  good growing conditions.  这个 OF 是不是显得这个句子特别的绕，不够清晰，存不存在ambiguous 的问题呢？

看原句 reliable 对应 good ，supply of water 对应 growing condition 是很平行啊~

sisichen666

直接使用the combination of A AND B就可以了，确实是加上of反而会有平行的歧义，是平行前面的of呢还是后面的of呢。。。

1369179610

1.Good growing conditions 可以单独表达，不需要加上supply of
2.And的平行原则：

x, y,  z, and w  (适用于词组，单词，句子的并列，注意介词不能省略)

3.Combination已经有both之意，因此不能用both
4.本题的考点是时态 endure跟的是一个时间段（for 引导时间段~），因此用完成时

zhuang8825

好的，多谢

Victoriagirl

sisichen666 发表于 2013-1-8 01:58
直接使用the combination of A AND B就可以了，确实是加上of反而会有平行的歧义，是平行前面的of呢还是后面 ...

正解          原来如此