2. 外语
  3. The top two scales are in perfect balance. How many diamonds will be needed to balance the bottom set?

The top two scales are in perfect balance. How many diamonds will be needed to balance the bottom set?

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问题 The top two scales are in perfect balance. How many diamonds will be needed to balance the bottom set?
选项 A、1 diamond.
B、2 diamonds.
C、3 diamonds.
D、4 diamonds.
答案D
解析 两个梅花等于三个黑桃加上一个方块，三个梅花等于两个黑桃加上三个方块，那么五个梅花就应该等于5个黑桃加个4个方块。
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本试题收录于： D类竞赛（专科）题库大学生英语竞赛（NECCS）分类
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