请听下面一段材料，回答第1至3题。 1. What is the purpose of this talk? [
| 请听下面一段材料，回答第1至3题。 |
| 1. What is the purpose of this talk? |
| [ ] |
| A. To talk about the exam. B. To introduce a professor. C. To explain the arrangement. |
| 2. When is the talk probably given? |
| [ ] |
| A. At the beginning of the term. B. In the middle of the term. C. By the end of the term. |
| 3. What will Professor Brown do next Thursday? |
| [ ] |
| A. Organize the exam. B. Attend a meeting. C. Answer questions. |
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