Sporting activities are essentially modified forms of hunting behavior. Viewing biologically, the modern footballer is revealed as a member of a disguised __1
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, __2
enjoys the hunter’s triumph of killing his prey. __3
To understand how this transformation has taken place we must briefly look up at our ancient ancestors. They spent over a million __4
year evolving as co-operative hunters. Their very survival depended on success __5
in the hunting-field. Under this pressure their whole way of life, even if their __6
bodies, became radically changed. They became chasers, runners, jumpers, aimers, throwers and prey-killers. They co-operate as skillful male-group __7
attackers.Then, about ten thousand years ago, when this immensely long formative __8
period of hunting for food, they became farmers. Their improved intelligence,
so vital to their old hunting life, were put to a new use—that of penning, __9
controlling and domesticating their prey. The food was there on the farms,awaiting their needs. The risks and uncertainties of farming were no longer essential for survival.__10
1 將viewing改為viewed
非謂語動詞view和句子的主語是邏輯動賓關係。
2 將inaccurate改為accurate
如果真的目標不準確，也就不可能進球了（he scores a goal）。
3 在enjoys前面加he
由於前面if his aim is accurate and he scores a goal 是條件狀語從句，因此可見這裡是主句，主句的主語he是不可以省略的。
4 將look up at的up省略
5 將year變為複數
6 將if去掉
7 將co-operate 改為co-operated
8 將when改為after
9將were改為was
該謂語動詞的主語是Their improved intelligence，是單數。
10 將farming改為hunting
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