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
参考答案:A
解析:[知识点] 辛凉解表药——桑叶
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.
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