【求助】关于but平行的问题

hidevil2009 · 发表于 2012-3-6 17:41:47

实在是搞不懂but在平行里的用法啊！各位NN请帮帮我，我还有一星期不到就上考场了....

GWD23 Q16: PP52.

Although at one time children’s programming had been limited to a few hours a week, now, however, there are at least four cable networks that dedicate themselves entirely to shows produced specifically for children.

A.Although at one time children’s programming had been limited to a few hours a week, now, however, there are at least four cable networks that dedicate themselves

B.With children’s programming having been limited at one time to a few hours a week, now at least four cable networks have dedicated themselves

C.Once limited to a few hours a week, there are now at least four cable networks with children’s programming that dedicate themselves

D.Children’s programming was once limited to a few hours a week, but now there are at least four cable networks dedicated

E.While children’s programming had once been limited to a few hours a week, at least four cable networks are now dedicated
答案选D的，但是but前后好像不平行吧？于是我悲催地就去选B了...

Q21: PP55.

Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

A.while at the same time they have introduced some 100,000 dangerous chemical pollutants, having

B.while at the same time introducing some 100,000 dangerous chemical pollutants that have

C.while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have

D.but introducing some 100,000 dangerous chemical pollutants at the same time that have

E.but at the same time introducing some 100,000 dangerous chemical pollutant, having

还是GWD23的题，基于上面那题的原因，我觉得but的平行可以不那么严格，于是在认为while和at the same time重复的情况下选了E，结果，坛子上的NN告诉我but后面的introduing米有平行对象...

请大家帮帮我吧，多谢了

Q21: PP55.

Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

A.while at the same time they have introduced some 100,000 dangerous chemical pollutants, having

B.while at the same time introducing some 100,000 dangerous chemical pollutants that have

C.while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have

D.but introducing some 100,000 dangerous chemical pollutants at the same time that have

E.but at the same time introducing some 100,000 dangerous chemical pollutant, having

还是GWD23的题，基于上面那题的原因，我觉得but的平行可以不那么严格，于是在认为while和at the same time重复的情况下选了E，结果，坛子上的NN告诉我but后面的introduing米有平行对象...

请大家帮帮我吧，多谢了

hidevil2009 · 发表于 2012-3-7 15:57:27

自己顶顶

深圳的游子 · 发表于 2012-3-7 17:40:37

好长的题干，看了都不想分析，不过我大概看看吧

我很久没有做过GMAT的语法题了，你提的平行我先不给你说了，不过给你指出两个错误：
Q16中的B选项里面的，从句with没有主语
Q21中的having这种用法在GMAT里出现的时候几乎都是被判定为错误的，所以有having的选项你可以直接排除了

shl020 · 发表于 2012-3-7 20:03:50

lz, 关于Q16的D选项，but前后连接两个并列分句时，不要求结构一定要平行对称，但是该有的要素必须都有，这里but前面有主谓宾, 后面也有主谓宾，是可以的。B选项的结构非常awkward，首先它没有表达出原句的转折含义，另外介词短语、分词短语、形容词短语放在句首时逻辑主语等于句子主语，而这里明显不符合逻辑，所以pass

关于Q21, E选项的错误和16题错的一样，就是but在这里是用来连接两个并列分句的，结果前面是个有主谓宾的分句，E选项but的后面只有分词形式，是明显的错误。

irenejz · 发表于 2012-11-21 23:04:43

http://www.manhattangmat.com/forums/industrialization-and-modtern-methods-of-insect-control-have-t460.html Ron 对but的解释，很清楚呢

【求助】关于but平行的问题

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