听下面一段材料，回答第1-3题。 1. What should the audience do with expensi
| 听下面一段材料，回答第1-3题。 |
| 1. What should the audience do with expensive equipment first? |
| A. Insure it. B. Lock it up. C. Keep it home. |
| 2. What does the speaker suggest when it is too late? |
| A. Calling a friend. B. Taking a taxi. C. Avoiding dark streets. |
| 3. Who is the speaker speaking to? |
| A. Security guards. B. Dormitory staff. C. College students. |
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