【单选题】下列关于非水溶性液体火灾的说法,错误的是()。
A.
非水溶性液体火灾可以采用液上喷射蛋白泡沫液扑救
B.
非水溶性液体火灾可以采用液下喷射蛋白泡沫液扑救
C.
非水溶性液体火灾可以采用液上喷射氟蛋白泡沫液扑救
D.
非水溶性液体火灾可以采用液下喷射成膜氟蛋白泡沫液扑救
【简答题】I walked too much yesterday and ________ are still aching now. A) my leg’s muscles B) my muscles of leg C) my leg muscles D) my muscles of the leg
【判断题】水泥是水硬性胶凝材料,所以在运输和贮存中不怕受潮
【单选题】I walked too much yesterday and _____ are still aching now.
【单选题】My arms are aching now because ______ since two o'clock.
【判断题】水泥是水硬性胶凝材料,所以在运输和贮存中不怕受潮
【单选题】My arms are aching now because since three o ’ clock.