Which statement about portfolio diversification is correct?______.
A.Proper diversification can reduce or eliminate systematic risk.
B.As more securities are added to a portfolio, total risk typically would be expected to fall at a decreasing rate.
C.The risk-reducing benefits of diversification do not occur meaningfully until at least 30 individual securities are included in the portfolio.
D.Diversification reduces the portfolio's expected return because it reduces a portfolio's total risk.
第3题
A.血压计袖带应松紧适
B.血压计袖带下缘应在肘关节上2—3厘米处
C.血压计袖带下缘应在肘关节下2—3厘米处
D.被测量者应该在安静状态下测量
第4题
A、血压计袖带应松紧适
B、血压计袖带下缘应在肘关节上2—3厘米处
C、血压计袖带下缘应在肘关节下2—3厘米处
D、被测量者应该在安静状态下测量
第6题
测量血压时出现假性高读数的原因可能是
A.血压计袖带宽度太宽
B.血压计袖带缠绕太紧
C.被测者手臂位置高于心脏
D.被测者在进餐后立即测量血压
E.测量时放气速度太快
第7题
测量血压时出现假性高读数的原因可能是
A. 血压计袖带宽度太宽
B. 血压计袖带缠绕太紧
C. 被测者手臂位置高于心脏
D. 被测者在进餐后立即测量血压
E. 测量时放气速度太快
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