OG126 两个独立句子&连词

小纽扣999 · 发表于 2016-5-21 14:53:12

OG16 SC126.Found only in the Western Hemisphere andsurviving through extremes of climate, hummingbirds' range extendsfromAlaska to Tierra del Fuego, from sea-level rain forests to the edges of Andeansnowfields and ice fields at altitudes of 15,000 feet.(A) Found onlyIn the Western Hemisphere and surviving through extremes of climate,hummingbirds' range extends
(B) Found only in the Western Hemisphere, hummingbirdssurvive through extremes of climate, their range extending
(C) Hummingbirds, found only in the Western Hemisphereand surviving through extremes of climate, with their range extending
(D) Hummingbirds, found only in the Western Hemisphereand surviving through extremes of climate, their range extends
(E) Hummingbirds are found only in the WesternHemisphere, survive through extremes of climate, and their range extends

B选项为什么不认为humming birds survive.... 和their range 是两个独立句子。然后缺少连词呢？
不太理解传说中的两个独立句子之间必须用连词。是哪些情况？
求大神么解释一下
跪谢

Forrest_Gu · 发表于 2016-5-21 15:09:09

因为 their range 后面是 extending，V-ing就失去了谓语作用了。

一个独立的句子结构必须包括主语＋谓语／主语＋系动词（be/see...）＋表语（祈使句不考虑），所以如果一个句子中出现两个或多个上述的句子结构，就要用连词来连接。

所以重点就是要抓住句子的结构。ps要注意一些陷阱，像B选项里面extending就不是谓语

小纽扣999 · 发表于 2016-5-21 15:26:33

Forrest_Gu 发表于 2016-5-21 15:09
因为 their range 后面是 extending，V-ing就失去了谓语作用了。

一个独立的句子结构必须包括主语＋谓语／ ...

同意！

[SC总结] OG126 两个独立句子&连词

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