题目内容
Chinese people have been using paper for over______ years.
| A．thousands | B．two thousand | C．thousands of | D．thousand |
B
解析试题分析：句意：中国人已经使用纸两千多年了。thousand表示确切数字时，不用复数形式，也不与of连用；但表示概数时，必须使用复数形式，而且要与of连用。所以选B。
考点：考查thousand的用法。
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