◎ 题干
More than 10,000 relics, ____ between 5,000 to 3,000 BC, ____ at Sanxingdui since it was first discovered.
A.dating back to, was dug upB.dating back to, have been dug up
C.dated back to, has been dug upD.dated back to, were dug up
◎ 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“More than 10,000 relics, ____ between 5,000 to 3,000 BC, ____ at Sanxingdui since it was first discovered.A.dating back to, was dug upB.dating back to, have bee…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【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。