◎ 题干
July 1,2011 is our Party's _______ birthday. It was founded on July 1, 1921.

A. ninety
B. ninetieth
C. nineteenth
D. ninth
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“July 1,2011 is our Party's_______ birthday. It was founded on July 1, 1921.[ ]A. ninety B. ninetiethC. nineteenth D. ninth …”主要考查了你对  【序数词】  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。