GMAT语法

青口贝 · 发表于 2019-7-26 17:17:51

各位大神，我想请问一下这道题为什么选B，后面两个句子难道不会有run-on的错误吗？谢谢各位啦！
Found only in the Western Hemisphere and surviving through extremes of climate, hummingbird`s range extends from Alaska to Tierra del Fuego, from sea- level rain forests to the edges of Andean snowfields and ice fields at altitudes of 15000 feet.

AFound only in the Western Hemisphere and surviving through extremes of climate, hummingbird`s range extends 分析该选项
BFound only in the Western Hemisphere, hummingbirds survive through extremes of climate, their range extending 分析该选项
CHumming birds, found only in the western Hemisphere and surviving through extremes of climate, with their range extending 分析该选项
DHumming birds, found only in the Western Hemisphere and surviving through extremes of climate, their range extends 分析该选项
EHummingbirds are found only in the Western Hemisphere, survive through extremes of climate, and their range extends 分析该选项

Lincy123 · 发表于 2019-8-12 23:52:11

同问，我也有一样的困扰，翻了过往大神的解释是说their range extending 是独立主格，可以作修饰。

那如果例句：
I passed the GMAT exam, my heart beating quickly .. 也是对的吗？听起来很 awkward？求大神有没有详细解释的。。

卡比祥子 · 发表于 2019-8-13 09:35:03

A: 主语应该是humming bird,而非humming bird's range
B：没有问题，their range extending...是不定式modifier，不存在run-on的问题
从RON某视频的解释来看，这类句型需要满足两个要求：
（1）同时发生(如果是说，我通过了GMAT考试，之后两小时突然反应过来激动不已，那么这句话就是错的）
（2）must describe the main action in some way （不定式modifier和主动作间要有关联）
C：句子成分不完整没有谓语成分
D：这里注意found only...和surviving through...是平行的，问题不在这里。问题在于剔除这整个modifier后句子结构是不对的
E：这里是不平行的
例子：Hand signs that natives use and appear in local rituals. (INCORRECT)
注意前后主被动的主语是不一样的，这里的E也是这个问题

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