◎ 题干
Everyone knows ______ Olympic Games will be held in London in July, 2012.
A.the 30th B.the 30 C.30 D.a 30
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Everyone knows ______ Olympic Games will be held in London in July, 2012.A.the 30th B.the 30C.30 D.a 30…”主要考查了你对  【基数词】【序数词】【时刻】【分数】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。