OG20一个让我困惑的平行问题

Will_Jeanette · 发表于 2020-10-29 14:49:56

Discussion of greenhouse effects have usually had
as a focus the possibility of Earth growing warmer
and to what extent it might, but climatologists have
indicated all along that precipitation, storminess, and
temperature extremes are likely to have the greatest
impact on people,
(A) Discussion of greenhouse effects have usually
had as a focus the possibility of Earth growing
warmer and to what extent it might,
(B) Discussion of greenhouse effects has usually
had as its focus whether Earth would get warmer
and what the extent would be,
(C) Discussion of greenhouse effects has usually
focused on whether Earth would grow warmer
and to what extent,
(D) The discussion of greenhouse effects have
usually focused on the possibility of Earth getting
warmer and to what extent it might,
(E) The discussion of greenhouse effects has usually
focused on whether Earth would grow warmer
and the extent that is,
这道题虽然其他的错的很明显，但是og答案里说C对是因为whether……和to what extent平行；这个我很困惑，这怎么平行啊？
求助nn解答，谢谢

长丝弓 · 发表于 2020-10-29 17:15:45

GmatLa的大神是这样分析的：
题目分析：
focus这个词本身既可以是名词又可以是动词，但是，在(A)(B)两个选项中的focus必然为名词。因为，只有名词身前才能有冠词（a focus），并且也只有名词才能有物主代词（its focus）。划线部分的意思是：对温室效应的讨论一般会关注全球气候变暖的可能性，以及会达到何种程度。

选项分析：

A选项：主谓不一致，主语discussion是单数，所以其谓语动词也应为单数，即，has；
其次，本选项可以看作一个倒装句，还原为正常语序则有：
Discussion of greenhouse effects have usually had the possibility as a focus.
按照字面理解，这句话的意思是，讨论拥有一个可能性来作为关注。显然地，这是不正确的。正确的意思是，讨论关注了一种可能性。
再次，possibility定语部分（of型所有格）的核心词为Earth（Earth身后的现在分词短语growing warmer是它的定语），但在逻辑上，我们关注的应该是地球变暖这个事件的可能性，而不是地球本身的可能性。

B选项：focus错误同选项(A)。

C选项：Correct. 本选项在语法和逻辑上均是正确的。很多同学可能不明白这里由并列连词and连接的两者平行的现象。实际上，这是一个省略和倒装的现象，还原后则有：
Discussion of greenhouse effects has usually focused on whether Earth would grow warmer and Discussion of greenhouse effects has usually focused on what extent Earth would grow to.
划线部分均为省略内容。介词to倒装在了what extent身前。

D选项：主谓不一致错误同(A)；核心词错误同(A)。

E选项：and连接的两者不平行，即，the extent that is和whether Earth would grow warmer不平行。前者应该改为：to what extent。

Will_Jeanette · 发表于 2020-10-29 21:35:54

长丝弓发表于 2020-10-29 17:15
GmatLa的大神是这样分析的：
题目分析：
focus这个词本身既可以是名词又可以是动词，但是，在(A)(B)两个选 ...

谢谢，但是你没有解答我的问题，我的疑惑是这俩是如何平行的，就是为什么能认为A中的这两个是平行的

Will_Jeanette · 发表于 2020-10-29 21:36:33

dd，求助nn们

长丝弓 · 发表于 2020-10-29 21:42:08

Will_Jeanette 发表于 2020-10-29 21:36
dd，求助nn们

你看看大神还原后的句子，已经回答你的问题了：
Discussion of greenhouse effects has usually focused on whether Earth would grow warmer and Discussion of greenhouse effects has usually focused on what extent Earth would grow to.
划线部分均为省略内容。介词to倒装在了what extent身前。

Will_Jeanette · 发表于 2020-10-29 22:46:01

长丝弓发表于 2020-10-29 21:42
你看看大神还原后的句子，已经回答你的问题了：
Discussion of greenhouse effects has usually focused o ...

哦哦好的，谢谢啦！！

18年杀G呗 · 发表于 2020-10-31 15:15:00

to what extent省略了前面已经内的内容。

[SC悬赏令] OG20一个让我困惑的平行问题

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