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
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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
单项选择题
The author's main purpose in writing the passage is to______.
A．compare the consequences of the earthquakes that occurred in the U.S.
B．encourage civil engineers to make more extensive use of computers.
C．outline the history of the development of quake-resistant building materials
D．report new developments in constructing quake- resistant building
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