| How Does He Know? |
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| 引用本文： | 江东.How Does He Know?[J].中学生英语读写(高中版),2002(11). |
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| 作者姓名： | 江东 |
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| 摘 要： | An employer was very anxious to find the most intelligent of the three men who had applied for a job. So he told them: "Here are five conical hats. Three are white and two are black. I shall ask you to stand in 3 corners of the room facing the wall, and I shall place a hat on each of your heads. When you turn round, you will be able to see the other's hats but not your own. The first one to tell me the colour of his own hat will get the job." He then placed a white hat on each man's head. When the three men turned to face each other there was a long silence. Then, suddenly, one of the candidates (候选人) said, "Mine is white." How did he work out that he had a white hat on his headv
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