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精英家教網 > 初中英語 > 題目詳情

We all know that dinosaurs lived on the Earth more than ______ years ago.

A. sixty million B. millions of C. sixty million of D. million of

 

A

【解析】

試題分析:句意:我們都知道恐龍在地球上生存在6千萬年前。表示確切數字,million不用復數;表示概數,million必須用復數,并且和介詞of連用,所以選A。

考點:考查數詞。

 

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