1. (2022·安徽模拟) 听录音，回答问题。

1. （1） How old is Yellowstone National Park?

   A . 50 years. B . 100 years. C . 150 years
3. （2） How many states does Yellowstone cover?

   A . 2. B . 3. C . 4.
5. （3） Who runs Yellowstone now?

   A . The US army. B . The National Park Service. C . The native Americans.
7. （4） When did the biggest fire break out?

   A . In 1860 B . In 1917 C . In 1988.