阅读下面的短文，根据短文内容回答下列小题。When an NBA player is young he thinks he can win the championship by himself. It is only later when he has aged and been through many battles that he learns an important lesson; there is no I in team.There is no better example of the value of teamwork than the Boston Celtics. Paul Pierce, Ray Allen and Kevin. Garnett were all superstars on three different teams. Yet, none of them had any titles to show for it. Then, last season, they decided to sacrifice money and individual statistics to play together. Garnett and Allen joined Pie