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问题 单项选择题

治风热感冒，咳嗽咽痒，最宜选用的药物是( )

A．大黄
B．芦荟
C．芒硝
D．牵牛子
E．番泻叶

答案

参考答案：A

解析：[知识点] 辛凉解表药——桑叶

单项选择题

Which of the following statements about the various tests of the efficient market hypothesis (EMH) is INCORRECT（）

A. Tests of the semi-p form EMH give mixed results. Time-series tests such as dividend yield and default spread reject the semi-p form EMH while event studies of stock splits and announcements of accounting changes support it.

B. The superior historical performance of exchange specialists and corporate insiders rejects the semi-p form of the EMH.

C. The historical performance of professional money managers supports the semi-p form of the EMH.
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多项选择题

借助于利润表提供的信息，可以帮助管理者（）。

A.分析企业资产的结构及其状况

B.分析企业的债务偿还能力

C.分析企业的获利能力

D.分析企业利润的未来发展趋势
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