18. Research shows that young people’s transition to adulthood can be made easier with their parents’ support.
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19. Young people need to know how to grow up, and they need to have the desire to grow up
20. Whether people want to admit it or not, young people are experiencing a longer transition to adulthood.
投资组合能分散()
A. 所有风险
B. 系统性风险
C. 非系统风险
D. 市场风险
当投资必要收益率等于无风险收益率时,风险系数应()
A. 大于1
B. 等于1
C. 小于1
D. 等于0