8. What can the examples of Sandra Day O’Connor illustrate?
A. Keep their eyes on the prize
B. Uphold a committed and focused will and spirit
C. Have the will to overcome profound obstacles and to work diligently.
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9. What is the secret of success built upon?
A. hard work
B. determination
C. dedication
D. preparation
10. Which sentence/ sentences can you find in the text?
A. Never give up. 永不言弃
B. Where there is a will, there is a way.有志者，事竟成。
C. It’s not how many times you fall down that matters. It’s how many times you get back up that makes success. 你摔倒了多少次并不要紧；你能多少次重新站起来对成功才至关重要！
完全竞争市场一般是指:()
A. 农产品市场
B. 轻工业品市场
C. 日用工业品市场
D. 重工业品市场
总收益除以总销售量可以得到()
A. 边际收益
B. 平均成本
C. 平均收益
D. 边际成本
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