在讲解中说的是： One indicates an indefinite copy or a single, indefinite part of a collection. 举得例子是：After walking by the chocolates so many times, Roger finally had to eat ONE. one用来指代一个不确定的成分可以理解的到了，但是关于单复数问题，后面有一个练习是：
When Norma and her husband read an article about Florida's adorable MANATEES,they promise each other that they would one day go Florida and see ONE. 题目的解释是one可以指代复数也可以指代单数。
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发表于 2012-7-22 14:55:49
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