【摘要】 兴奋剂是竞技运动中的最大公害，使用兴奋剂与反对兴奋剂的斗争一直不断，且呈“魔高一尺、道高一丈”之势，国内外都加大了反兴奋剂的力度，相信正义一定会战胜邪恶。更多还原

【Abstract】 Excitant is one of the most harmful factors in competitive sports, thus people have persistently fought against using it.showing a trend that "if the mouse runs 1 second faster, then the cat will run 2 seconds faster". Now at home and abroad,people are all strengthening the force to fight against excitant. We firmly believe that justice is bound to defeat evil.更多还原