第3题: [多项选择]投资期分析法把债券互换的各个方面的回报率分解为四个组成成分。其中不确定的有 ( )。 A. 票息的再投资收益 B. 源于时间成分所引起的收益率变化 C. 源于票息因素所引起的收益率变化 D. 由于到期收益率变化所带来的资本增值或损失(收益成分) 参考答案:A,D 答案解析:[解析] 投资期分析法把债券互换各个方面的回报率分解为四个组成成分,它们所具有的风险是不同的——其中两种是确定性的,另两种是不确定性的。两种确定性的组成成分是源于时间成分和票息因素所引起的收益率变化;
第6题: [单项选择]No outlet on a fire hydrant may point above the horizontal in order to(). A. avoid kinking the hose B. avoid personal injury during connection C. make connecting easier D. prevent spray on electrical equipment 参考答案:A
A. encourage them to learn B. teach them to fear the pain of solving the problem C. help them learn to deal with pain D. teach them how to respect from the problem 参考答案:A 答案解析:[解析] 事实细节题。文章的倒数第四行说到,we encourage the human ability to solve problems,just as in school we set prob