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问题 填空题

有一人患了流感，经过两轮传染后共有121人患了流感，则经过三轮传染后共有       人患流感。

答案

1331.

题目分析：设流感的传染人的增长率为x,根据题意则有：，解之得x=11，则经过三轮传染后共有人患上流感.

单项选择题

A finn presented the following income statement, which complies with the 1 standards under which it must report: Sales 20535 Cost of goods sold 14525 Operating expenses 2530 Operating income 3480 Income taxes1220 Income from continuing operations 2260 Extraordinary items, net of tax (525) Net income1735 In the next year the firm borrows $10 million to finance construction of a capital asset. Based on the differences between U.S. GAAP and International Financial Reporting Standards, this firm :（）

A. must capitalize the construction interest.

B. must not capitalize the construction interest.

C. may choose to capitalize the construction interest.
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判断题

润滑油进水很容易造成油水乳化，降低润滑效果。
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