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问题 单项选择题

有“仓库”表和“职工”表，检索仓库中基本工资大于3000元的职工姓名和他们所在的仓库名，应该使用的语句是（ ）。

A． 下拉组合框

B． 下拉列表框

C． 下拉文本框

D． 错误设置

答案

参考答案：B

解析：在Visual FoxPro中，可在属性面板中通过修改组合框的Style属性设置其形式，共有两种：0表示下拉组合框，2表示下拉列表框。

单项选择题

A company has the following data associated with it: A target capital structure of 10% preferred stock, 50% common equity and 40% debt. Outstanding 20-year annual pay 6% coupon bonds selling for $894. Common stock selling for $45 per share that is expected to grow at 8% and expected to pay a $2 dividend one year from today. Their $100 par preferred stock currently sells for $90 and is earning 5%. The company’s tax rate is 40%. What is the after tax cost of debt capital and after tax cost of preferred stock capital Debt Capital Preferred Stock Capital（）①A. 4.2% 6.3% ②B. 4.5% 5.6% ③C. 4.2% 5.6%

A. ①

B. ②

C. ③
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判断题

设f（x）=3x+2，g（x）=2x-3，则f（g（x））=6x-7。
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