3 referees . referee--- the person who controls the game

After these steps, the students may have a clear understanding of the basketball match.

Step 2 At first, the teacher may show some information about the organizations of basketball match. And then the teacher present the topic to the students. The teacher may ask some students who has known about NBA. And then let them to introduce NBA.

And then ask the students to read the passage silently and answer the questions. Give them several minutes to discuss them with their partner.

1. Are the NBA and BAA the same organization?

　　　Yes, they are now.

2. Are all the NBA teams in the same country?

　　No, they aren't (USA and Canada).

3. What is the difference between an amateur team and a professional team?

　　The players in a professional team get paid. It is their job to play basketball.

　　professional adj.

　　1)从事专门职业的

　　A lawyer is a professional man.

　　律师是从事专门职业的人。

　　2)专门职业的

　　professional standards 专业标准

　　3)以...为职业的

　　a professional painter

　　职业画家

　　4)职业的

　　professional tennis

　　职业网球

　　"For professional footballers, injuries are an occupational hazard."

　　"对于职业足球运动员来说,受伤是职业本身带来的危险。"

　　n.专业人员

　　（私人俱乐部等的）专职教练

经验丰富又有职业水准的人；内行