一看这题目,大家自然会想到竞技场上的体操、跳水等项比赛。一般说,这类比赛中都有“规定动作”,那是必须完成的;也还有“自选动作”,那是运动员在教练员指导下,自主练就的。有了这类动作,就照顾到了各类运动员的特点和爱好,使得竞赛场上五彩纷 A look at this issue, we naturally think of the arena gymnastics, diving and other items. In general, there are “prescribed actions” in such games, which must be completed. There are also “optional actions” that are exercised independently by the athletes under the guidance of the coaches. With this kind of action, we take care of the characteristics and hobbies of all kinds of athletes and make the competitions colorful