Vastly improved hurricane warnings explain the different circumstances atthat a storm was approaching, while residents of Biloxi had been warned days in advance, allowing for extensive safety precautions （）．

　　At the same time that people in Biloxi were thankful for the advance warning, some residents of New Orleans, Louisiana were less satisfied．A day before Georges made landfall, forecasters were predicting that the hurricane had a good chance of striking New Orleans．Because much of New Orleans lies below sea level, the city is at sk for flooding．Emergency management officials must begin evacuations （）ell before a storm strikes．But evacuation costs money: businesses close, tourists leave, and citizens take precautionary measures．The mayor of New Orleans estimated that his city' s preparations for Georges cost more than 50 million．After Georges missed New Orleans, some residents questioned the value of the hurricane forecasts in the face of such high costs．

　　The different vies on the early warnings for Hurricane Georges show some of the complexities related to predicting disasters．Disaster prediction is a process of providing scientific information to the government officials and other decision makers who must respond to those predictions．67．What is the purpose of disaster prediction according to the passage?

　　A．To identify the cause of disasters．

　　B．To save people' s lives and property．

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