单项选择题

If a country has a population of 20 million and its rate of natural population increase is 2% , after 34 years, the country will have a population of ______.

A．80 million
B．60 million
C．50 million
D．40 million
<上一题 目录 下一题>
热门 试题

单项选择题
The ethnographer shows great interest in all of the following EXCEPT ______.
A．current conditions that exist with a culture
B．individual behavior as shaped by a custom
C．behavior patterns common among members of a culture
D．differences existing within a culture
单项选择题
Which part of the world did NOT experience the negative population growth
A．America.
B．Australia.
C．Asia.
D．Europe.
相关试题