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  3. Long after the 2010 World Cup was won，disappointed fans were still questioning the refereeing on their decisions that denied vic

Long after the 2010 World Cup was won，disappointed fans were still questioning the refereeing on their decisions that denied vic

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问题   Long after the 2010 World Cup was won，disappointed fans were still questioning the refereeing on their decisions that denied victory to their teams．A researcher was asked to study the performance of some top referees．
  The researcher organized an experimental tournament involving four youth teams．Each match lasted an hour，divided into three periods of 20 minutes，during which different referees were in charge．
    Observers noted down the referees’errors，of which there were 6 1 over the tournament．Convened to a standard match of 90 minutes，each referee made almost 23 mistakes a very high number．
    The researcher then studied the videotapes to study the matches carefully．Surprisingly，he found that errors were more likely when the referees were close to the incident．When the officials got it right，they were，on average，17 meters away from the action．The average distance in the case of error was 1 2 meters．The research shows the optimum distance is about 20 meters．
    There also seemed to be an optimum speed．Correct decisions came when the referees were moving at a speed of about 2 meters per second．The average speed for errors was 4 meters per second．
    If FIFA，football’s international ruling body，wants to improve the standard of referees at the next World Cup，it should encourage referees to keep their eyes on the action from a distance，rather than rushing to keep up with the ball，the researcher argues．   
    He also says that FIFA’8 insistence that referees should retire at age 45 may be misguided．If keeping up with the action is not SO important，their physical condition is less important.
The experiment done by the researcher was meant to( )．
选项 A、review the decisions of referees at the 2010 World Cup
B、find out the cause of errors made by football referees
C、set a standard for football refereeing
D、re—examine the rules for football refereeing
答案A
解析 由第一段中A researcher was asked to study the performance of some top referees．此句话可知，研究的是裁判的决定，所以答案选A。
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