Earthquakes may take place anywhere on the Earth's surface. 49 , they are most probably to happen near mountains.
During an earthquake, the Earth's surface shakes. Houses fall, people are killed or injured, and 50 whole cities are destroyed.
But we can do something to protect 51 against earthquakes. Scientists have made maps 52 the “earthquake belt”. In the belts, earthquakes are likely to happen. In these areas we can build 53 houses to resist(抵抗) earthquake shocks.
In the future, scientists will be able to predict exactly 54 earthquakes will take place. Then they can tell people to take measures. Thus lives can be saved and damage(损失) can be 55 .
49.A. But &
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