题目内容
Passage 2Question 8 to 10 are based on the passage you have just heard.[听力原文]8-10In ancient Egypt, as everywhere, throwing stones was a favourite children’s game. But a badly thrown rock could hurt a child. Looking for something less dangerous to throw. what the Egyptians made were probably the first balls.At first, balls were made of grass or leaves held together by vines. Later they were made of pieces of animal skin sewed together and stuffed with feathers or hay.Even though the Egyptians like fighting, they found time for peaceful games. Before long they had developed a number of tall games, each with its own set of rules. Perhaps they played ball more for instruction than for fun. Ball playing was thought of mainly as a way to teach each young man the speed and skill he would need for war. Who invented the ball（）
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假设某企业生产6万件产品耗费的总固定成本为360万，总变动成本为108万，其利润加成率为30%，请用成本加成定价法计算其单位产品价格。
On July 12, 1993, a young professor of American history named Frederick Jackson Turner stood up to speak. The scene was the American History Congress at the Chicago World’s Fair. (62) His paper was titled "The significance of the Frontier in American History." Turner had a new idea. (63) And many historians who heard him recognized that he had come upon a simple theory that seemed right.To Turner, the frontier was one of the most powerful forces shaping the American character. He pointed out that the frontier was a place for new beginnings, a place where men and women could build new lives. Thus, the frontier represented hope and opportunity to Americans. Turner also pointed out that these new lives on the frontier were shaped by tile hardships of surviving in the wilderness. Thus, life on the frontier produced determination in Americans and made them believe in the value of work. (64)According to Turner’s theory, the frontier was a place where everyone had to struggle equally hard. (65) Thus, frontier life helped shape the American ideal of equality, independence, and democracy. Thus, frontier life helped shape the American ideal of equality, independence, and democracy.
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试述战略决策的特征及程序。
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