多项选择题 根据投资主体性质的不同，我国上市公司股票的种类有（　　）

未知题型 According to the passage, biometrics_____'A.can make a recording of a person's eye pattern by scanning his eyesB.can provide a more accurate identification of a person by scanning his iris than the finger print recognition systemC.is a newly developed technology that can help analyze personal informationD.involves recognition techniques that are extremely sophisticated but very expensive

单项选择题 假定农商行的法定存款准备金率为19%。超额存款准备金率为2%。现金漏损率为3%，则存款乘数为（ ）。