英语笑话:Visual Training 视力训练

Visual Training 
　　The squad were having “visual training”． One smart recruit was asked by the officer to count how many men composed a digging party in a distant field．The party was so faraway that the men appeared as mere dots， but unhesitatinglythe recruit replied：
　　“Sixteen men and a sergeant，sir．”
　　“Right；but how do you know there's a sergeant there？”
　　“He's not doing any digging， sir．”