1．What did the scientists find out about the 2004 Athens Olympic Games?

A．Athletes played equally well in four sports.

B．Game results had a big influence on the athletes.

C．Athletes dressed in red scored more in a close match.

D．There was a big difference in red and blue teams' scores.

答案　C

解析　细节理解题。根据文章第二段倒数第三句"But if it was a close match，the athlete in a red uniform was more likely to win."可知答案。

2．What may the red scars of a male animal suggest?

A．It is a failure. B．It is quite strong.

C．It has power over other males. D．It has attracted a lot of females.

答案　B

解析　细节理解题。根据文章第三段第二句"It had been discovered that when a male shows red on its body，it sends a signal of its power and strength."可知，红色的伤疤可能会表明这个雄性动物更强大。故选B。

3．What is most people's attitude towards the scientists' idea?

A．Interested. B．Satisfied. C．Doubtful. D．Thankful.

答案　C

解析　推理判断题。根据文章最后一段中的前两句可知，大多数人不认可动物世界的颜色信号在人类运动中真正有用，即大多数人对这个结论持怀疑态度。故选C。

Notes：

Ⅰ.障碍词汇

1．signal n．信号，预兆

2．unreasonable adj.不合理的

3．prove v．证明，证实

4．performance n．表演；表现

5．have no influence on对......没有影响

6．show off炫耀

Ⅱ.长难句分析

But if it was a close match，the athlete in a red uniform was more likely to win.

分析：这是一个主从复合句。主句为the athlete in a red uniform was more likely to win，逗号前为if引导的条件状语从句；主句中的in a red uniform为介词短语作后置定语，be likely to意为"很可能......"。

翻译：但如果这是一场势均力敌的比赛，身穿红色制服的运动员更有可能获胜。