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标题: gwd SC 请教 [打印本页]

作者: greentree_du    时间: 2006-8-5 08:57
标题: gwd SC 请教

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.

 

  1. 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

  2. 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

  3. 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

  4. birds overcome by pollution routinely fell from the sky above Los Angeles freeways, prompting officials in California to devise a plan to reduce

  5. 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

答案是D。

E有什么错?同时D改变了原句的主从关系。请教。


作者: carolhide    时间: 2006-8-5 09:34

请楼主在标题里面给出题目出处与题号,方便大家回帖,方便后人查询,谢谢啊

不知LZ是否已查询过讨论连接,如已查询请在标题中标明。谢谢配合。


作者: dori0214    时间: 2006-8-5 13:08

楼上说的是~

这一现象让专家。。。而不是鸟让专家。。。






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