The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long and extending from northern Ecuador through Peru to Southern Chile.
The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long and extending from northern Ecuador through Peru to Southern Chile.
Columbus was the Incan highway, which, over 2,500 miles long and extending
Columbus was the Incan highway, over 2,500 miles in length, and extended
Columbus, the Incan highway, which was over 2,500 miles in length and extended
Columbus, the Incan highway, being over 2,500 miles in length, was extended
Columbus, the Incan highway was over 2,500 miles long, extending 答案居然给的是E。由于the Incan highway was over 2,500 miles long部分是插入语，那么整句话的主语就是road system，后面加个extending，明显没谓语嘛～
例题：
Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest.
(A) extending
(B) extends
(C) extended
(D) it extended
(E) is extending
把E选项带回原文是这样的：The greatest road system built in the Americas prior to the arrival of Christopher Columbus, the Incan highway was over 2,500 miles long, extending from northern Ecuador through Peru to southern Chile.
换种成大家比较熟悉的写法应该是The Incan highway, the greatest road system built in the Americas prior to the arrival of Christopher Columbus, was over 2,500 miles long, extending from northern Ecuador through Peru to southern Chile.
如果写成下边这样，估计这题就没什么值得讨论的了。也就是说，一般我们看见的同位语修饰，都是前边是核心词，后边跟一个同位语进行进一步的解释说明。这个例子相当于反过来，把解释说明放在前边，而把真正的核心词（在这里是主语）放在中间，很具有迷惑性。
其实无论是（n+修饰成分, n）还是（n, n+修饰成分），总之看到两个并列的名词用逗号分开，可以从语义上判定是否为同位关系。
这个题真是好恶心，我看完原句，第一个感觉句子应该是这样的：
The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long, extended from northern Ecuador through Peru to southern Chile. 或者是 which was over 2,500 miles long and extended from northern Ecuador through Peru to southern Chile.
结果一看选项，都差那么点，那个郁闷啊
最后B和E没有语法错误，犹豫了好久，感觉哪个意思都不通顺啊
E，前面那么一大串就这么做了同位语，有点大材小用的感觉；B就更不通顺了
但是，有时候就是要适应GMat的模式，其实多看看E也蛮顺的，唉，自己的先入为主影响了做题...
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发表于 2010-1-18 13:39:31
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