有效组合在各种风险条件下提供最大的预期收益率。()

未分类题While many specialists call for a disclosure mechanism, some physicians are worrying about______.A．exposure to the mediaB．describing their mistakes in detailsC．compensating victims promptly and fairlyD．involvement in an expensive civil case

未分类题C. How Money Makes You Lie and Cheat D. Why Money Is Regarded as Corrupting Your friend Wang Hua has just been admitted to Nanjing University. Write a letter to 1)congratulate him and 2)send your good wishes for his future. You should write about 100 words on the ANSWER SHEET. Do not sign your own name at the end of the letter. Use 'Li Ming' instead. Do not write the address.

判断题以协方差表示的证券风险与证券预期收益率之间的线性关系称为证券市场线。()

判断题以马柯维茨为代表的经济学家在20世纪50年代中期创立了名为“资本资产定价模型”的新理论。()

未分类题A job of a writer is often thought to be______?A．freely scheduledB．fertilized with foodC．related to physical exciseD．finished after dinners