试题题干
（），as “the national sport，”is the oldest of the major American team sports.
参考答案
正确答案：
试题解析
Baseball is the oldest of the major American team sports. Though baseball is no longer the most popular sport, it is still referred to as "the national sport". 棒球作为一种民族运动是美国重要体育项目中最古老的运动。