Why do Olympic athletes push themselves to the limits? One of the Olympic triathletes personifies the phrase herself.

To get to the top, she has made an endless list of sacrifices and it     1     this: she was born with an enormous amount of drive and determination. From a small girl, she would stay in at lunchtime just to     2     on class work; she would ride on the bus on her own at ten years old and go to swim 100 length is of the pool. This was time she could have spent with friends, playing and engaging in other pursuits. Later,     3     achieve glory in professional, she had undergone much physical and mental intensity. However, inspired by another stellar triathlete, she was always willing to do an extra little bit during her every workout, which gradually     4     from the other competitors.

Having been through fears and tears, she never regrets. To reach the winner's platform, athletes should     5     their sport. It is hard to live a life in a normal and balanced way, but these words are not used for the athletes who     6    .