[填空题]

Sporting activities are essentially modified forms of hunting behavior. Viewing biologically, the modern footballer S1. （）is revealed as a member of a disguised hunting pack. His killing weapon has turned into a harmless football and his prey into a goal-mouth. If his aim is inaccurate and he scores a goal,S2. （）enjoys the hunter’s triumph of killing his prey. S3. （）To understand how this transformation has taken place we must briefly look up at our ancient ancestors.. They spent over S4. （）a million year evolving as co-operative hunters. Their very survival S5. （）depended on success in the hunting-field. Under this pressure their whole way of life, even if their bodies, became radically S6. （）changed. They became chasers, runners, jumpers, aimers, throwers and prey-killers. They cooperate as skillful male- S7. （）group attackers. Then, about ten thousand years ago, when this immensely S8. （）long formative period of hunting for food, they became farmers. Their improved int

[单项选择]Sporting activities are essentially modified forms of hunting behavior. Viewed biologically, the modem foot-bailer is in reality a member of a hunting group. His killing weapon has turned into a harmless football and his prey (猎物) into a goalmouth. If his aim is accurate and he scores a goal, he enjoys the hunter’s triumph of killing his prey.
To understand how this transformation has taken place we must briefly look back at our forefathers. They spent over a million years evolving as cooperative hunters. Their very survival depended on success in the hunting-field. Under this pressure their whole way of life, even their bodies, became greatly changed. They became chasers, runners, jumpers, aimers, throwers and prey-killers. They cooperated as skillful male-group attackers.
Then about ten thousand years ago, after this immensely long period of hunting their food, they became farmers. Their improved intelligence, so vital to their old hunting life, was put to a new use--that o
A. any member of the opposing, team
B. the goal keeper
C. the goal-mouth
D. the football