Questions 33 to 35 are based on the passage you have just heard.
A.Riders rinsing with carbohydrate liquids made less effort than those rinsing with water. B.The heart rates of riders rinsing with carbohydrate liquids are lower than those rinsing with water. C.Rinsing with carbohydrate liquids helps sport players fight fatigue. D.Swallowing carbohydrate liquids makes sports players less tired.