There are books on the shelf. And them is about three hundred.A．a number o
题型：不详难度：来源：
There are books on the shelf. And them is about three hundred.| A．a number of; a number of | B．the number of; the number of | | C．a number of; the number of | D．the number of; a number of |
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答案
| C |
解析
试题分析：a number of一些，许多； the number of……的数目。句意：书架上有许多书。他们的数目大约是三百本。故选C。
点评：这两个短语考察主要就是他们表示数的不同，应熟记起含义及应用规则。 |
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