单项选择题
A.3 B.2.25 C.1.5 D.1
A.期望报酬率较高,风险也较高 B.期望报酬率较高,而风险较低 C.期望报酬率较低,而风险较高 D.期望报酬率较低,风险也较低
A.2% B.20% C.31% D.83%
A.15% B.20% C.25% D.32%
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