单项选择题

Geologists are using modern technology to ______.

A．help predict earthquakes
B．enhance their reputations
C．measure the accuracy of earthquakes
D．control ground slippage
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单项选择题
If predictions are correct, California ______.
A．will be struck by an earthquake in the next decade
B．will be saved from an earthquake within ten years
C．is unstable as a result of the San Andreas Fault
D．has nothing to fear
单项选择题
Californians are preparing for an earthquake by ______.
A．saving their property
B．building stronger houses and practicing techniques to handle emergencies
C．ignoring the San Andreas Fault
D．moving to another state
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