The purpose of the example of the American Indians given in the 3rd paragraph is to show that poverty is ______.
A. absolute
B. non-existent
C. relative
D. never recognized
More than 100 thousand people participated in the survey.
A. Right
B. Wrong
C. Not mentioned
Elderly people have a higher risk of heart disease than younger people.
A. Right
B. Wrong
C. Not mentioned
某方案各年的净现金流量见下表,基准收益率为10%,则该方案的财务净现值为()万元。
A. 503.92
B. 156.81
C. 322.10
D. 158.23