听下面一段材料，回答第1-3题。 1.  Where does the conversation most probably take place? A. On the school campus. B. In the busy street. C. At a restaurant. 2. Who will organize the contest? A. The Students’ Union. B. The Recreational and Physical Culture Section. C. The College Swimming Association 3. How much does the admission ticket cost? A. 7 yuan B. 6.30 yuan C. Free