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【多选题】
以下属于干粉灭火系统灭火机理的是()A.
冷却
B.
窒息
C.
隔离
D.
乳化
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】不仅对设计本身起着控制和指导作用,同时为施工、审查、建设单位了解设计意图提供了依据的是图纸首页中的___________________。
【单选题】听力原文：M: Excuse me, madam. Can I take a look in your bag? W: What? How dare you! No, go away. Don't stand in my way. M: I'm afraid I have to insist, madam. W: Just who gave you the right to look into a...
A.
It probably takes place in the street.
B.
It probably takes place in a restaurant.
C.
It probably takes place at the entrance of a supermarket.
D.
It probably takes place in a supermarket.
【简答题】— Who dares to go ? How about you ? — Sorry , I ____ . A．dare not to go B．don''t dare to C．don''t dare D．dare not to