聽下面一段材料，回答第1至3。
1. What are the people going to do on Saturday afternoon?
A. Ride their bicycles.
B. Take some exercises.
C. Listen to a talk.
2. What program will the people watch at 8:40 Saturday night?
A. A program about some famous sportsman.
B. A program about playing basketball.
C. A program about water sports.
3. When will the half marathon (馬拉松) begin on Sunday?
A. At 7:30 am.
B. At 9:00 am.
C. At 1:30 pm.
