1 . 听下面一段较长对话，回答以下小题。
1. How old are the paintings?
2. What is the man?
3. Where are the speakers?
1. How old are the paintings?
| A．About 500 years old. | B．About 1,000 years old. | C．About 17,000 years old. |
| A．A professor. | B．A tour guide. | C．A painter. |
| A．In a cave. | B．In a hotel. | C．In a college. |
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