单项选择题

One aspect of the recent population trend is the ______.

A．development of complexes of cities
B．increasingly grcat distance between cities
C．transformation of cities into suburbs
D．growth of many small towns

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热门试题

单项选择题

Decentralization is best defined as ______.

A．movement from the central city to rural areas
B．movement from the central city to the suburbs
C．disorderly expansion of the central city
D．shrinking of metropolitan

单项选择题

While in bed the doctor was telephoned to go back to the hospital because of ______ case.

A．a treatment
B．an operation
C．an incident
D．an emergency