◎ 题干
_____ from the plane, the Yellow River looks like a silk ribbon.
[     ]
A. Seen
B. Seeing
C. To see
D. Having seen
◎ 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“_____ from the plane, the Yellow River looks like a silk ribbon. [ ]A. Seen B. Seeing C. To see D. Having seen …”主要考查了你对  【过去分词】  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。