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单选题

The five rings on the flag are Blue, Black, Red, Yellow and Green.
  In how many different ways could the rings have been arranged in colour order?

发布日期:2022-07-20

The five rings on the flag are Blue, Black, Red, Y...
A

120.

B

100.

C

80.

D

60.

标签: rings flag blue black red

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此试题出现在

全国大学生英语竞赛(NECCS)

系列之一:A类

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