单项选择题

The primary purpose of this passage is to ______.

A．predict the population problem in China
B．explain why the family-planning policy is adopted in China
C．illustrate the result of family-planning policy
D．demonstrate the cause and effect of the family-planning policy

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单项选择题

To punish those who violate the family-planning policy the Chinese government does which of the following7

A．Put them into prison.
B．Fine those couples.
C．Reduce their wages.
D．Advise them to observe the rul

单项选择题

All of the following can be inferred form the passage except that ______.

A．many developed nations suffer from the problem of a rapidly aging population
B．the family-planning policy meets more difficulty in the countryside than in cities
C．the increasing number of aged people is a result of the reduced birth-rate
D．in the year of 2010 each child will have to look after one parent