听下面一段材料,回答第1-3题。 1.Where does the conversation most probably take place? A. In the woman' s office. B. In a science museum. C. In a science lab. 4. What do we know about the man? A. He is preparing for a paper. B. He is still working for the professor. C. He will give a talk in two months. 3.What will the woman do after their talk? A. Go back to her work. B. Go to see the professor. C. Go home straight.