第8题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. Memories of a recent storm. B. How strong winds develop into a hurricane. C. Weather patterns that can affect Florida. D. Planning a summer vacation. 参考答案:C 答案解析:[听力原文] 19-22 M: Is that a map Are you going sailing or something W: I wish. It’s a hurric
第33题: [单项选择]B类火灾是指( )。 A. 固体物质火灾 B. 液体火灾和可熔化的固体物质火灾 C. 气体火灾 D. 金属火灾 参考答案:C 答案解析:[解析] 本题考核的是火灾的分类。《火灾分类》(GB/T 4968—2008)按物质的燃烧特性将火灾分为四类:A类火灾,是指固体物质火灾,这种物质往往具有有机物质,一般在燃烧时能产生灼热的灰烬,如木材