听下面一段材料,回答问题。 1. Who will give them a talk? [ ] A. A famous art teacher. B. A famous writer. C. A famous doctor. 2. When will the talk start? [ ] A. On Saturday night. B. On Sunday afternoon. C. On Saturday afternoon. 3. Where will they have the talk? [ ] A. In the first meeting hall. B. In the second meeting hall. C. In the third meeting hall.