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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:967

The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.

A.having listed B.listed C.having been listed D.listing
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TheChineseabacus(算盘),officiall