桥规》对桥梁设计或检算中洪水频率如何规定？
参考答案：
桥涵应按下表的洪水频率标准进行设计或检算：
An analyst gathered the following data about a company:
The company’s return on equity:（）
A. decreased because the company’s profit margin fell.
B. increased because the company’s leverage multiplier rose.
C. increased because the company’s asset turnover increased.
媒体吹风会
