阅读理解三则

丁　楠

(A)

Our town is a new town. Here, the buildings are tall; the streets arebusy; the traffic (交通) is heavy, but the pollution is not serious. In ourtown, most of the buildings have fifteen to twenty floors. Most of thepeople live in such high buildings, but they don't have to climb the stairs;they go upstairs and downstairs by the lift.