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Question

Three Families
Three families live in a building. Each family has only one child.
One of the three children is a girl. Her name is Xiao Hui. The other two are boys. They are Xiao Peng and Xiao Ming. The children’s fathers are Mr. Wang ,Mr. Zhang and Mr. Chen. The children’s mothers are Liu Ying,Li Ping and Hao Fang. Now we know: Mr. Wang’s son and Li Ping ’s son are on the boy’s basketball team. Xiao Ming isn’t Mr. Zhang’s son. Mr. Chen isn’t Hao Fang’s husband. Now,can you tell me the family numbers of each family?

快速判断：
1. Mr. Chen is Xiao Peng’s father. ( )

2. Li Ping is Xiao Hui’s mother. ( )
3. They have two sons and one daughter. ( )
4. Xiao Ming is Liu Ying’s son. ( )
5. Xiao Peng and Xiao Ming like to play basketball. ( )

Answer 1

分析结果有两种家庭可能：
爸-妈-孩子
Wang-Liu Ying-Peng
Zhang-Hao Fang-Hui
Chen-Li Ping-Ming

Wang-Hao Fang-Ming
Zhang-Li Ping-Peng
Chen-Liu Ying-Hui
根据组合可以简洁明了地判断答案：
1. 错
2. 错
3.错
4.错
5.对
本提的关键在于句子：Mr. Wang’s son and Li Ping ’s son are on the boy’s basketball team.
由于他们的儿子后面出现的是are, 说明他们各自有一个自己的儿子，是两个人，如果是is, 才是同一个儿子。解答完毕。

Answer 2

3明显正确。
Mr. Wang’s son and Li Ping ’s son are on the boy’s basketball team.可知5正确。
根据这句话，我们能得到下面组合：
组合A：
？-？-Hui
Wang-？-Peng
？-Li Ping-Ming
组合B：
？-？-Hui
？-Li Ping-Peng
Wang-?-Ming

如果是组合A，根据Xiao Ming isn’t Mr. Zhang’s son.可以知道Ming是Chen的儿子。
Zhang-？-Hui
Wang-？-Peng
Chen-Li Ping-Ming
上述条件满足第三句话Mr. Chen isn’t Hao Fang’s husband.负荷所有要求。
由上述组合可知：1,2,4错误。

Answer 3

1. Mr. Chen is Xiao Peng’s father. (F )

2. Li Ping is Xiao Hui’s mother. (F)
3. They have two sons and one daughter. (T)
4. Xiao Ming is Liu Ying’s son. ( F )
5. Xiao Peng and Xiao Ming like to play basketball. ( T )