听对话或独白，根据对话或独白的内容，从下面各题所给的A、B、C三 个选项中选择最佳选项。每段对话或独白你将听两遍。（共12分，每小题1分）
请听一段对话，完成第5至第6小题。
5. Who has more hair?
A. Blond people. B. People with dark hair. C. People with white hair.
6. How long is the longest hair in the world?
A. Over 6 meters. B. 7 meters. C. 4 meters.
