单选题
The City Planning
In the past, cities usually grew in a disorderly way because few cities were built according to a plan. In the late 1800s, the idea of a "beautiful city" came into
1
. People felt that a city should have wide street, parks, and a civic centre. People
2
to realize that cities need to be planned.
In the first part of the 1900s, cities began to
3
zoning laws. Zoning laws say what kind of building can be put up in different parts of a city. A factory cannot be put up on land
4
for apartments. Apartments,
5
, cannot be built on land for houses.
Meanwhile, cities were growing rapidly and changing almost
6
. They faced many problems. Sometimes the streets in a city caused traffic
7
. Sometimes there were not enough schools or hospitals for all the people who needed them. As people moved
8
to new areas of the city, older parts of town often became run-down.
At first, citizens
9
groups that tried to solve the problems a city faced. Today, most large cities have city planning board
10
part of their city government. On the board are city
11
who have special training. Many of them have college
12
in city planning. They must know how a city"s land can be
13
used. They
14
new areas of the city and decide how to improve older
15
. City planing boards help the city meet the needs of all the people who live there.