听下面一段材料,回答第1-3题。 1.Who is the speaker? A. A student. B. A player. C. A manager. 2.What time does the center open? A. 9:00 a.m. B. 9: 00 p.m. C. 5: 00 p.m. 3.What is the speaker mainly talking about? A. Different sports rules. B. Different indoor sports. C. Different sporting activities.