单项选择题

What is the reason for the going down of the population in rich countries

A．The people there have a bright future.
B．The people there have a splendid past.
C．The government carries out a family plan.
D．The government controls the growth rate.

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热门试题

单项选择题

Why will the population in poorer countries increase

A．Because they need more labor to support the family.
B．Because the people have the habit to have a big family.
C．Because the people there are poorer.
D．Because the people there want to be rich.

单项选择题

What can we learn about the growth rate of population

A．The total growth rate of world population will increase.
B．The growth rate of population in richer countries will increase.
C．The growth rate of population in poor countries will increase.
D．The total growth rate in American countries will increase.