单项选择题

Small population may mean ______.

A．higher productlvity, but a lower average income
B．lower productivity, but a higher average income
C．lower productivity and a lower average income
D．higher productivity and a higher average income

<上一题目录下一题>

热门试题

单项选择题

According to the passage, a large population will provide a chance for developing ______.

A．agriculture
B．national economy
C．industry
D．transport system

单项选择题

According to the passage, slowly rising birthrate perhaps is good for ______.

A．a developed nation
B．every nation with a high population
C．a developing nation
D．every nation with a small population