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标题: [求助]OGl(紫色) SC-Q11 关于frequency的疑问 [打印本页]

作者: pigscanfly    时间: 2007-9-30 23:39
标题: [求助]OGl(紫色) SC-Q11 关于frequency的疑问

有个小疑问:

It is well known in the supermarket industry that how items are placed on shelves and the frequency of inventory turnovers can be crucial to profits.

平行结构,所以正确的应该是:E. how frequently the inventory turns over can be. 答案显而易见~

选项B. the frequency of inventory turnovers is often 我们不管它是否和前面平行,单看它的主谓语一致。为什么is不对呢? frequency不是单数吗?

求教!!谢谢!


[此贴子已经被作者于2007-10-1 3:55:48编辑过]

作者: ranning    时间: 2007-10-1 15:17
and the frequency 如果前面也是一个名词的话,应该用复数 "and" 
作者: pigscanfly    时间: 2007-10-2 02:57

什么意思?我还是不理解。

ls的能不能举个例子?谢谢!






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