[单项选择]城市郊区化是指城市在经历了中心区绝对集中、相对集中和相对分散以后的一个绝对分散的阶段，它表现为人口、工业、商业等先后从城市中心区向郊区迁移，中心区人口出现绝对数量的下降。
根据上述定义，下列属于城市郊区化的一项是( )。
A. 某城市住房非常昂贵，许多人都是在郊区租房，白天到市中心区上班，晚上回郊区休息居住
B. 某城市近几年人口出生率低于死亡率，因此城市人口总数下降
C. 某郊区小镇最近两年发展非常迅速，与城区接壤后被合并在城市中
D. 某城市为了维持良好的城市环境，将大批工厂迁到郊区，从而导致城区人口大幅减少

[填空题]
With the increase in general standard of living, some ordinary Chinese families begin to afford a car. Yet opinions of the development of a private car vary from person to person.
Some claim that there are many advantages in possessing a car. It gives a much greater degree of comfort and mobility. The owner of a car is no longer forced to rely on public transport or taxis.
However, others strongly object to developing private cars. They maintain that as more and more cars are produced and run in the street, a larger volume of poisonous gas will be given off, polluting the atmosphere and causing actual harm to the health of people.
Whether private cars should be developed in China is a difficult question to answer. Yet the desire for the comfort and independence that a private car can bring won’t be eliminated.

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