永续年金是指收益期无限长情况下，已知收益年金和年利率，求收益现值。
查看答案
通过现值系数可以求出计算期末的终值。
A. 对
B. 错
A well-worded central idea should ___
A. be expressed in a full sentence
B. be expressed in a declarative sentence.
C. avoid figurative language.
D. be specific
An outline ___
A. Is where the main points that we want to cover are listed and organized
B. is a detailed map of your speech
C. includes main points
D. includes supporting materials
When we use the word “constraint” with regard to public speaking, we are referring to any limitation or restriction you may have as a speaker.
A. 对
B. 错
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