49. The school organizes inter-class volleyball competition, using a double-elimination
system. There are 15 teams participating. How many games are needed at least to
determine the championship?
(A) 27 (B) 28 (C) 29 (D) 30
62. "I can clearly see how I swing, and it feels as feeling it real in my hands."
What is the application of which mental skill?
(A) Arousal adjustment (B) Imagery
(C) Self-confidence building (D) Self talk