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Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile Delta and the river valleys of the Tigris and Euphrates.

正确答案: A

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OG11-75, why there is no verb of "as" clause

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楼主
发表于 2007-1-20 16:26:00 | 只看该作者

OG11-75, why there is no verb of "as" clause

Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.

My question is why there is no verb in as clause. as + S ( S = subjective ) ; as + S + V ( S = objective ) in this situation, should there be any verb? thanks!

推荐
发表于 2013-9-24 20:04:56 | 只看该作者
我把楼上们的问题全部汇总回答一下:
1.为什么没有verb呢?
因为省略了
if you have a parallel construction involving tensed verbs, and the tensed verb is EXACTLY THE SAME in both (or all, if there are more than 2) parts of the construction, then you may omit the verb in all but the first part.

for instance:
the rain was torrential and the wind fierce.
in this case, we're allowed to omit the second 'was', because it's identical to the 'was' in the first part.

same goes here: since the verb is exactly the same ("flourished") in both parts, you can omit it from the second part.

--

by the way, if you WERE going to include "did", preferred usage conventions actually place it BEFORE its subject: "...as did the civilizations in the nile delta..."
one would never speak this way, but it's the best way to write these sorts of constructions in formal usage.


2. 为什么不用those呢?
因为those没有指代的名词。
the antecedent of those       (those的先行词)  is the "ancient civilizations," but these only show up in other answer choices. This problem exposes a trick that is commonly played on the GMAT whereby a pronoun, such as those, is used in some answer choices when it's antecedent is in the other answer choices. If you read through the answer choices quickly without checking those you may not notice the error.


再补充一个Ron说的语法点:
if you're going to use a "relative pronoun + modifier" construction, then the modifier MUST be DIRECTLY attached to the pronoun.

e.g.
the population of argentina is more than ten times that of uruguay.
--> CORRECT
note that the modifier "of uruguay" is attached directly to "that" (a relative pronoun that stands for "population").


the number of people in argentina is more than ten times as large as that is in uruguay.
--> INCORRECT
you aren't allowed to split up "that of uruguay".

note that this single consideration will actually eliminate all of (c), (d), (e).


3.并且 BC选项时态错了!未划线部分的时态是一般过去,因此从句用过去完成时错了。


以上分析源自manhattan论坛。受益匪浅 and hope those help.













推荐
发表于 2010-7-30 07:22:41 | 只看该作者
这里不需要补足谓语动词,因为 an ancient civilization flourished 是主谓结构,没有宾语,不存在the civilizations会与宾语相比较的歧义,就不需要补足did,补足的话反而多余。
沙发
发表于 2007-1-21 00:23:00 | 只看该作者

1.the same...as...

2.an ancient civilization 与 the civilization 比较,无动作发出者.

板凳
发表于 2007-1-21 00:25:00 | 只看该作者
补:that flourished是定语从句修饰an ancient civilization
地板
发表于 2007-1-21 13:01:00 | 只看该作者

我认为, as introduces a clause, 省略了V.,补全的话是:

...an ancient civilization that flourished at the same time as the civilizations flourished in the...

 情况类似于:

His wife had a baby at the same time as Elaine. (from Longman dictionary of contempory English)

5#
发表于 2007-7-3 15:17:00 | 只看该作者

75. Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time
                as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.

(A)            that flourished at the same time as the civilizations    -        • -      `

(B)            that had flourished at the same time as had the civilizations

(C)           that flourished at the same time those had

(D)           flourishing at the same time as those did

(E)            flourishing at the same time as those were

我把粘下来,再次提问,

问题一同LZ为什么此处的AS后面不是句子,因为第76句的解释就说   a clause must follow as to complete the sentence。lvqingling的解释明白了。

问题二,这里D和E选项中的those不对吗?解释中说those 应该是指代an ancient civilization 我怎么觉得是指代the civilizations

麻烦nn了

6#
发表于 2007-7-29 19:33:00 | 只看该作者
动词已经省略,补上 flourished就好了
7#
发表于 2007-7-29 21:50:00 | 只看该作者

those 是复数指代,而前面没有对应的复数名词可指代(语法上可以勉强说有,逻辑上无),故补出名词

并且与 in the Nile delta and the river valleys of the Tigris and Euphrates 的修饰对称

8#
发表于 2008-12-31 09:26:00 | 只看该作者
以下是引用cyjessica128在2007-7-3 15:17:00的发言:

75. Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time
    as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.

(A)            that flourished at the same time as the civilizations    -        • -      `

(B)            that had flourished at the same time as had the civilizations

(C)           that flourished at the same time those had

(D)           flourishing at the same time as those did

(E)            flourishing at the same time as those were

我把粘下来,再次提问,

问题一同LZ为什么此处的AS后面不是句子,因为第76句的解释就说   a clause must follow as to complete the sentence。lvqingling的解释明白了。

问题二,这里D和E选项中的those不对吗?解释中说those 应该是指代an ancient civilization 我怎么觉得是指代the civilizations
                                

麻烦nn了


the civilizations是在其他选项中的,如果你选了D、E,里面不是就没有 civilizations可以指代了嘛。

我做题的时候估计脑子里面也是像你这么想的,根本没觉得不对,看来选项还是有干扰的。

9#
发表于 2008-12-31 09:51:00 | 只看该作者
以下是引用lvqingling在2007-1-21 13:01:00的发言:

我认为, as introduces a clause, 省略了V.,补全的话是:

...an ancient civilization that flourished at the same time as the civilizations flourished in the...

 情况类似于:

His wife had a baby at the same time as Elaine. (from Longman dictionary of contempory English)

如果这样的话,flourished可以省略吗?我觉得应该补上did才对啊。
不补did的话,像一些人说的,是an ancient civilization和 the civilizations比,我觉得这种说法不对,比较的对象是 an ancient civilization flourished 和 the civilizations flourished的时间,因为有same time所以才有可比性。

比如想个简单的句子。 Mike went to school at the same year as David  did.
这句话 应该是不可以省略成:  Mike went to school at the same year as David 吧?
10#
发表于 2009-5-11 11:00:00 | 只看该作者

如果把B选项改为:that had flourished at the same time as the civilizations had ,理解为过去一度flourished,改完的选项能选吗?

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