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
61. Which of the following about Judges of Stroke of swimming is incorrect?
(A) Judges of stroke shall be located on each side of the pool
(B) To ensure that the rules related to the style of swimming designated for the event are
being observed
(C) Judges of stroke have power to decide whether the start is fair
(D) Observe the turns and the finishes to assist the inspectors of turns
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