听下面一段材料，回答第1-4题。 1. What will the listeners do after the tal
| 听下面一段材料，回答第1-4题。 |
| 1. What will the listeners do after the talk ? |
| A. Make a campfire. B. Take a guided tour. C. Go for a nature walk. |
| 2. When did the National Park Service begin ? |
| A. In the early 1800s. B. In the late 1800s. C. In the late 1700s. |
| 3. What does the speaker say about the national park ? |
| A. It was declared the first national park in the world. B. A large group of people found the land now called Yellow Stone. C. All the parks were managed by the National Park Service before 1916. |
| 4. What is one of the speaker’s duties ? |
| A. Protecting the plants. B. Guiding nature walks. C. Answering the visitors’ questions. |
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