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问题 单项选择题

公债直接按票面价值出售，到时按票面价值还本的发行方式称为（）.

A.溢价发行

B.平价发行

C.折价发行

D.均不正确

答案

参考答案：B

单项选择题 A1/A2型题

ARDS的诊断标准中，氧合指数（PaO2/FiO2）应为（）。

A.≤250mmHg

B.≥200mmHg

C.≤200mmHg

D.≤300mmHg

E.≥350mmHg
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单项选择题

A large manufacturing company is in a competitive industry. It has above-average investment opportunities and its return on investments has been above the required rate of return. The firm retains a large portion of earnings to fund its superior investment projects. The company is best characterized as a.（）

A. growth company.

B. cyclical company.

C. speculative company.
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