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| 请你答答看(智力测验) | |
| 作者姓名： | 李永华 隋德新 |
| 摘 要： | 1. If three cats can kill three rats in three minutes, how long will it take 100 cats to kill 100 rats?2. A little American and a big American were in a car. The little American was the big American's son, but the big American was not the little American's father. who was it? |
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