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 secure future.
B．The people there have a glorious 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

According to the passage, the growth rate of the world population is going down,（）.

A．so the population problems will get worse
B．but the population problems are still getting worse
C．therefore, the population problems should become worse
D．thus, the population problems will become worse

单项选择题

Look after the people and the population will look after itself (the last paragraph) may probably mean （）.

A．Watch the people carefully and the population growth rate will drop
B．Control the people firmly and the population growth rate will go up
C．Take care of the people and the population growth rate will rise
D．Take care of the people and the population growth rate will go down