◎ 题干
This is ______ that he has ever made.
[     ]
A.the greatest inventions
B.one of the greatest invention
C.one of the greater inventions
D.one of the greatest inventions
◎ 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“This is ______ that he has ever made.[ ]A.the greatest inventionsB.one of the greatest invention C.one of the greater inventions D.one of the greatest invention…”主要考查了你对  【不定代词】【形容词的比较级,形容词的最高级】  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。