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题目内容
（华北水利水电大学英语）
Mas research oearthquake forecast at present is to _____.( )
·reduce the loss from earthquake disasters
·lower the frequency of earthquakes
·release the energy that causes earthquakes
·analyze the relationship betweedifferent earthquakes
·reduce the loss from earthquake disasters
·lower the frequency of earthquakes
·release the energy that causes earthquakes
·analyze the relationship betweedifferent earthquakes
参考答案
