51. The GPAI (Game Performance Assessment Instrument), an assessment tool we often
use in play games, can be classified into which of the following assessment types?
(A) Standardized assessment (B) Authentic assessment
(C) Alternative assessment (D) Quality assessment
71. Which statement about lactic acid is incorrect?
(A) Mainly produced during the anaerobic decomposition of carbohydrate
(B) Accumulation in muscles after intense exercise can cause delayed onset muscle
soreness
(C) It can be converted into pyruvate to form glucose to provide an energy source during
exercise
(D) The lactate threshold can be used to determine the pace of prolonged endurance
exercise