【OG20-P811-892题】Scientists have recently found evidence that black_OG17新题

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【OG20-P811-892题】

Scientists have recently found evidence that black holes—regions of space in which matter is so concentrated and the pull of gravity so powerful that nothing, not even light, can emerge from them—probably exist at the core of nearly all galaxies and the mass of each black hole is proportional to its host galaxy.

A

exist at the core of nearly all galaxies and the mass of each black hole is proportional to
分析A选项
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B

exist at the core of nearly all galaxies and that the mass of each black hole is proportional to that of
分析B选项
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C

exist at the core of nearly all galaxies, and that the mass of each black hole is proportional to
分析C选项
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D

exists at the core of nearly all galaxies, and that the mass of each black hole is proportional to that of
分析D选项
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E

exists at the core of nearly all galaxies and the mass of each black hole is proportional to that of
分析E选项
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当前版本由哎呀更新于2015-10-09 13:49:34 感谢由哎呀对此题目的解答所做出的贡献。

考点：主谓一致 逻辑语义
分析：双破折号中间的是插入语可跳过处理；exist的主语是black holes，所以应该用复数形式；is proportional to前后是每个黑洞的体积和星系的体积成比例，所以要加that；and前后是宾语从句的平行，that不能省；
选项：
A.宾语从句平行and后的that不能省；mass不能和host galaxy成比例；
B.正确；
C.mass不能和host galaxy成比例；
D.主谓不一致；
E.主谓不一致；

当前版本由 715007m 更新于2020-06-23 00:41:21 感谢由 715007m 对此题目的解答所做出的贡献。

先看原题结构，有两个破折号，中间是插入语，对balck holes进行解释说明的，并且这部分没有被划线，所以可以略过不看；句子主干是主谓宾结构，scientist have found evidence, 科学家发现了证据；后面紧跟that同位语从句，对evidence进行解释说明（什么样的证据）。

分析that之后的部分，主语是back holes，所以谓语要用exist，排除D，E。继续读，后面有个and，之后是另一个不同的内容，说明是两个同位语从句，共同来解释evidence，所以and后面需要加that。继续看后面的部分，有个比较的部分，A is proportioonal to B, 应该是黑洞的质量和 galaxy的质量成比例，前面是 mass of back holes，后面需要同样的结构，需要有that（代指mass）, that of its host galaxy.

A, 第二个同位语从句用 and 连接，前面没有that；后面的对比部分不平行，缺that of

B, 正确

C，and 前面加了逗号，不影响，不是主要的问题。主要是后面的对比部分不平行，同A

D，E 主谓不一致。

题目讨论（8条评论）

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cindyGMAT330

错在了C，有逗号连接后面的 and that (类似which) 限定修饰直接前置名词， galaxy，造成了语义错误。应该是 evidence that... and that... 平行

1 0 回复 2019-11-19 09:35:54
浅井777

正确选项B中and that the mass ...是另一个evidence，所以要与第一个that black holes-...-的evidence做平行，故此处加了that！

1 0 回复 2019-02-12 12:16:07
EscapeFromFate

主语black holes，直接删DE，C and用法错误，ab对比，必须加that指代the mass否则无意义，the mass of each blackhole不能直接跟its host galaxy对比

0 0 回复 2019-01-18 16:30:40
woody要700回复EscapeFromFate

请问C的and哪里错了

0 0 回复 2019-01-24 11:41:16
嘉仓佑措

败在了双破折号不会处理，哎

0 0 回复 2018-12-28 20:34:20
AUCHUI

OG A This version of the sentence does not provide the relative pronoun that to provide parallel structure for presenting the two things scientific evidence reveals about black holes. This leaves it somewhat unclear whether the final clause is intended to convey part of what the scientists discovered or to express a claim that the writer is making independently of the scientists’ discovery. The sentence illogically compares mass to galaxy

0 0 回复 2018-12-12 17:35:33
考到770不是梦

common and that 和直接and that有什么区别吗？

0 0 回复 2018-07-10 22:59:57
百香果蜂蜜茶

DE因为主谓不一致，主语是black holes，所以不能用单三。

0 0 回复 2016-06-07 14:34:18
abccccccc

比较对象是mass,比较后面的单数名词可用that代替

0 0 回复 2015-12-13 22:13:29