第7题: [多项选择]高倍数泡沫灭火技术可以在( )等场所扑救失控性大火时起到决定性作用。 A. 民用住宅 B. 地下油库 C. 油轮 D. 冷库 E. 液化烃罐区 参考答案:B,C,D,E 答案解析:高倍数泡沫灭火技术已被各工业发达国家应用到石油化工、冶金、地下工程、大型仓库和贵重仪器库房等场所。尤其在近10年来,高倍数泡沫灭火技术多次在油罐区、液化烃罐区、地下油库、汽车库、油轮、冷库等场所扑救失
第13题: [单项选择]Passage Three Questions 33 to 35 are based on the passage you have just heard. A. To protect beachfront property. B. To reduce the traffic on beach roads. C. To provide privacy for homeowners. D. To define property limits. 参考答案:A 答案解析:[听力原文] 33-35 Your professor has asked me to talk to you today about the topic that should be