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What is one of the possible conclusions of the experiment?
A) The ideal retirement age for an experienced football referee is 45.
B) Age should not be the chief consideration in choosing a football referee.
C) A football referee should be as young and energetic as possible.
D) An experienced football referee can do well even when in poor physical condition.
A) The ideal retirement age for an experienced football referee is 45.
B) Age should not be the chief consideration in choosing a football referee.
C) A football referee should be as young and energetic as possible.
D) An experienced football referee can do well even when in poor physical condition.
参考答案