| 听下面一段独白，回答第l至4题。 |
| 1. Which floor do they start from? |
| A. The first floor. B. The second floor. C. The fourth floor. |
| 2. What can they see on the second floor? |
| A. Technology in the old days. B. Inventions in different centuries. C. Modern inventions in the 20th century. |
| 3. Where can they have a drink? |
| A. On the first floor. B. On the second floor. C. On the fourth floor. |
| 4. Which is the most helpful way to find more information about the museum? |
| A. Searching the Internet. B. Asking the guide for help. C. Buying books or magazines. |