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For the farmer who takes care to keep them
cool, providing them with high-energy feed, and milking them regularly, Holstein cows are producing an average of 2,275 gallons of milk each
per year. A. providing them with high-energy feed, and milking them regularly, Holstein cows are producing B. providing them with high-energy feed, and milked regularly, the Holstein cow produces C. provided with high-energy feed, and milking them regularly, Holstein cows are producing D. provided with high-energy feed, and milked regularly, the Holstein cow produces E. provided with high-energy feed, and milked regularly, Holstein cows will produce
我的问题： Each 不是说明主语应该用单数吗？ 通过逻辑含义直接排除A,B,C，剩下D,E。 因为原句中，没划线的部分是： an average of 2,275 gallons of milk each
per year. 我看到这里有 each，应该是说 每头牛 每年 平均产奶2275 gallons，所以觉得主语应该是单数啊？ 就选了D的：the Holstein cow produces
（我知道E的 Holstein cows will produce 符合前面的For the farmer who takes care to keep them
cool,） 但这里问什么后面 用 了each ，主语却用 复数呢？不是应该与后面的 each 保持一致吗？
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下面是我在老外网站上看到的对5个选项的分析，给大家参考
（但没找到对这个 each 问题的解释。请NN 指点，谢谢。）
So, A should say "providing them with high energy feed, and milking them regularly, Holstein cows are producing " This makes a list out of "to keep," "providing," and "milking" which is a list, but it fails the parallelism test. Also, the verb tense "are producing" is wrong - if the farmer takes care of them, they will respond a certain way. Eliminate A. (Note that I added a comma missing from the original text, above.)
B also has parallelism issues (providing, milked), as does C (provided and milking). D and E have parallelism with provided and milked, but they still don't match "to keep." And this is where this one gets really hard. Most people will want to keep this as a list of three things, with those three words properly parallel - and that would be a good way to write the sentence, but they haven't given us that option.
If we lopped off that opening clause, we'd have "Provided with high energy feed, and milked regularly, Holstein cows..." That's okay. Then they add this separate clause out front (the "For the farmer" bit) and this is what makes it sound bad b/c we want to combine that opening clause with the provided and milked piece. Since we don't have that as an option, we're forced to look at them as separate items (though we do still want parallelism between provided and milked).
Then, we're just left with "produces" vs. "will produce" since D and E both use provided and milked. The sentence begins "For the farmer who takes care to keep THEM cool" so we have to use plural for the cows. Answer D uses singular, so E is the answer.
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发表于 2009-5-20 11:38:00
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