the second前面用什么冠词（second可以替换成什么词）

the second前面用的是定冠词。

定冠词规律：序数词前用定冠词

　　在通常情况下，序数词前要用定冠词。

　Read your book, starting at the second paragraph.We especially enjoyed the third act of the play.The boxer gave in at the fifteenth round. I can find seven, but where is the eighth plate? Skip the first chapter and start on page 25. He’s going to compete with his old rival in the second round.