单项选择题

The smart buildings discussed in the passage ______.

A．would cause serious financial problems
B．would be worthwhile though costly
C．would increase the complexity of architectural design
D．can reduce the ground vibrations caused by earthquakes

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单项选择题

The function of the computer mentioned in the passage is to ______.

A．counterbalance an earthquake's action on the building
B．predict the coming of an earthquake with accuracy
C．help strengthen the foundation of the building
D．measure the impact of an earthquake's vibrations

单项选择题

It can be inferred from the passage that in minimizing the damage caused by earthquakes attention should be focused on ______.

A．the increasing use of rubber and steel in capital construction
B．the development of flexible building materials
C．the reduction of the impact of ground vibrations
D．early forecasts of earthquakes