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问题 选择题

—Do you mind my opening the window?

—Well , I’ d rather you _____.

A．didn’t

B．not

C．won’t

D．don’t

答案

答案：C

解答题

有一串代数式：-x，2x2，-3x3，4x4，A，B，…，-19x19，20x20，…

（1）所缺的代数式A是______，B是______．

（2）试写出第2008个代数式和第2009个代数式．

（3）试写出第n个、第n+1个代数式．
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单项选择题

In the top-down approach to valuation, industry analysis should be conducted before company analysis because:（）

A. most valuation models recommend the use of industry-wide average required returns, rather than individual returns.

B. the goal of the top-down approach is to identify those companies in non-cyclical industries with the lowest P/E ratios.

C. an industry's prospects within the global business environment are a major determinant of how well individual firms in the industry perform.
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