D Oncea group of 17-year-old schoolboys decided to break the world basketballmarathon record ( 马拉松记录 ). They wanted to play for ninety hours and add six hours to therecord. Each team had nine players, with five at a time. The boys decided eachperson would play 21.5 hours and then rest for 2 hours. Then they started at 6o'clock in the evening. The first night was very hard for theplayers. When it was their turn to rest, they were too exited( 兴奋的 ) to fall asleep at once. Aftersleeping for a short time, they had to play again. On the second night, they fell asleep as soonas they stopped. Some of them had trouble with their feet and hands, but theonly serious problem was a psychological one. Each boy was thinking: Why am Idoing this? How can I play any longer? After the third night, the players knew theycould finish the ninety hours. The basketball on the fourth night was veryslow. But in the final hours, the players got better. For the last few minutes,the players looked as fresh as when they started. How happy everyone was! 51.In the story, there were schoolboysplaying basketball marathon. A. 9       B. 14         C. 17 D. 18 52.Before this basketball marathon, the word record was . A .84 hours      B. 86 hours        C. 90 hours        D. 96 hours 53.The first night was hard for the players because A they were too excited         B they only slept for a short time C no one watched them play       D it was very long 54."...the players looked as fresh as when they started. " Here"fresh" means . A. 新鲜的 B. 兴奋不已的 C . 精神饱满的 D. 伤痕累累的 55.Which of the following sentences is WRONG? A. Some of the boys were hurt when theyplayed. B. It was hard for the players to fallasleep at night. C. The boys started playing at 6 o'clock inthe evening. D. In the end, all the boys felt happy.