第24题: [单项选择]We can see from this article that ______. A. breathing in smoke might be harmful B. rope ladders should not be used C. youngsters often start most home fires D. jumping out of a window during a fire is dangerous 参考答案:A 答案解析:本题为细节推理题。文章最后两句说打开窗户前关上门,否则烟和火就会跑进房间,这说明呼吸烟雾会对人体有害。文章说从二楼跳窗户不太危险,比呆在起火的房中要安全。故答案选A。