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标题: 疑问,急~~ [打印本页]

作者: qianmenghe 时间: 2008-2-3 00:10
标题: 疑问,急~~

Q31:

In the mid-1970’s, since birds were overcome by pollution, and routinely falling from the sky above Los Angeles freeways, this prompted officials in California to devise a plan that reduced automobile emissions.

since birds were overcome by pollution, and routinely falling from the sky above Los Angeles freeways, this prompted officials in California to devise a plan that reduced
since birds that had been overcome by pollution were routinely falling from the sky above Los Angeles freeways, it prompted officials in California to devise a plan that would reduce
birds had been overcome by pollution and routinely fell from the sky above Los Angeles freeways, prompting officials in California to devise a plan that reduced
birds overcome by pollution routinely fell from the sky above Los Angeles freeways, prompting officials in California to devise a plan to reduce
birds overcome by pollution and routinely falling from the sky above Los Angeles freeways were prompting officials in California to devise a plan to reduce

D选项没有中心转移吗???原题重心在PROMPTED 上吧??而D项在BIRD FELL FROM 上

作者: qianmenghe 时间: 2008-2-3 23:43
请帮忙~~~~

作者: johnyin 时间: 2008-2-4 12:03

e项的结构一塌糊涂一团糟。

本题的中心是birds受难被officials重视，d项prompting 修饰了这个情况并introduce officals's plans，没有便宜

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