题目

阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空 白处的最佳选项。No one is born a winner. People make themselves into winners by their own1.I learned this lesson from a（n）2many years ago. I took the head3job at a school in Baxley, Georgia. It was a small school with a weak football program.It was a tradition for the school, s old team to play against the4team at the end of spring practice. The old team had no coach, and they didn, t even practice to5the game. Being the coach of the new team, I was excited because I knew we were go有两列火车，一列长102米，每秒行20米；一列长120米，每秒行17米，两车同向而行，从第一列车追及第二列车到两车离开需要（     ）秒?