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标题: OG 13 SC 5 [打印本页]

作者: chenyou 时间: 2012-8-12 17:20
标题: OG 13 SC 5
请教各位NN一个问题：Of all the vast tides of migration that have swept through history, maybe it is none that was more concentrated than the wave that brought 12million immigrants onto American shores in little more than three decades.为什么说“it”没有指代对象呢？

作者: zada66 时间: 2012-8-12 18:42
后半句要否定前半句Of all the vast tides of migration ，it不能指代前面的复数啊，这里it可以是后半句的形式主语，但是显得啰嗦

作者: jiaoguitar 时间: 2012-8-13 09:51
也可以理解成of是倒装前置，后句主语必须是，some，percent，none，many之类的，这样的话才能构成some of...，percent of...，none of...之类的搭配。it不能引导做主语，因为it of没有意义。

作者: superbat28 时间: 2012-8-13 17:15
it is none that was more concentrated than the wave that brought 12 million immigrants onto American shores in little more than three decades. 是一个强调句，也就是说句子在同时去掉：it, be动词，和that 三者后，句子仍是完整句子。

即 None was more concentrated than....

在强调句中，it只是强调句的组成成分，并不指代任何人、事、物

作者: wellsli 时间: 2012-8-14 12:14

it is none that was more concentrated than the wave that brought 12 million immigrants onto American shores in little more than three decades. 是一个强调句，也就是说句子在同时去掉：it, be动词，和that 三者后，句子仍是完整句子。

即 None was more concentrated than....

在强调句中，it只是强调句的组成成分，并不指代任何人、事、物

-- by 会员 superbat28 (2012/8/13 17:15:49)

求问BAT大神，这里OG上说 in this context, it must refer to something. 我理解这里强调句 it is...that 很wordy，但是it 为啥一定要有所指代呢？强调句还有形式主语 it本身不就没有指代么为啥OG说他错在 “it本必须指代一个东西，但是它没指”呢？

作者: charlottewdw 时间: 2012-9-19 21:08
我觉得这位同学解释的很好 D has many issues:
1. "is" is in present tense, while the sentence demands past tense.
2. "it" is not required in D as the pronoun "it" does not refer to any antecedent. Hence, it more acts like a demonstrative pronoun, which is not required here.
3. When you say "it is none that was", you are stressing on "none", while the sentence construction does not need this stress.
4. Just another thought - "maybe" is an informal use of "perhaps". "perhaps" is formal. But, just this does not clearly make D wrong.

from http://gmatclub.com/forum/of-all-the-vast-tides-of-migration-that-have-swept-through-105900.html

作者: 15801218581 时间: 2013-8-14 19:21

wellsli 发表于 2012-8-14 12:14
it is none that was more concentrated than the wave that brought 12 million immigrants onto Ameri ...

强调句中的it没有指代，但OG并没有把这个结构看作强调句（原句没有强调的意思），所以OG认为这里的it必须指代一个东西

形式主语的it当然有指代，指代后面的that从句，it is important that you understand the usage of "it" . ：）

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