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【判断题】
证券组合理论的一个前提是假设投资者根据证券的预期收益率和标准差来选择证券组 合。A.
正确
B.
错误
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【单选题】Do you want to live with a strong sense of peacefulness, happiness, goodness, and self-respect? The collection of happiness actions broadly categorized as 'honor' help you create this life of good fee...
A.
self-respect
B.
financial rewards
C.
advertising ability
D.
friendly relationship
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