填空题

Sporting activities are essentially modified forms of some old style hunting behavior. Viewed (36) , the modern football player can be (37) as a member of a disguised hunting pack. His killing (38) has turned into a harmless football and his (39) into the goal-posts. If his aim of the very hunting is enough (40) and be scores a goal, he enjoys the hunter’s (41) of killing his prey.
To understand how this (42) has taken place we must briefly look back at our (43) ancestors. Once upon a time, they hunted everyday, and finally became good at it. They spent over a million years evolving into cooperative hunters. Their very survival depended on success in the hunting-field. At that time, they knew nothing about growing plants. (44) . They became chasers, runners, jumpers, aimers, throwers and prey-killers. Cooperation made them skillful male-group attackers.
Things didn’t change for a very long time. (45) Their improved intelligence, so vital to their old hunting life, was put to a new use—that of penning, controlling and domesticating their prey. They do not need to risk their lives everyday. The hunting became suddenly obsolete. (46) .