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单项选择题

We can tell from the passage that as a child the author

A．was quiet and placid.
B．was addicted to TV.
C．lived in a big city.
D．was sensitive and imaginative.
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单项选择题The early warning systems developed in the 1990's are used to

A．improve estimates of long-term earthquake probabilities.
B．tell people in the epicenter when the earthquake will come.
C．allow evacuation from the region that the earthquake will hit.
D．prepare people for earthquakes several minutes in advance.

单项选择题After the Parkfield programme, experts concluded that earthquake prediction in terms of days and years was

A．chancy.
B．hopeful.
C．unrealistic.
D．difficult.