预防结核用
参考答案
参考解析
【单选题】
某人防工程设在地下一层,总建筑面积为3000㎡,设有火灾自动报警系统和自动喷水灭火系统,平时作为商业和管理用房使用。下列防火方案中,错误的是( )。
商业区的1个防火分区的建筑面积为1000m2
地下一层装修材料燃绕性能等级为A级
管理用房内任一点至该房间最近的门的距离为20m
人防工程设置了室内消火栓系统
【单选题】
Which of the following is a display question used by teachers in class?
What happened to the girl in the story?
What would you do if you were the girl in the story?
Do you like this story Girl the Thumb,why or why not?
Why do you agree that the girl was a kind-hearted person?