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【判断题】
用右手螺旋定则判定长直载流导线的磁场时,右手握住导线,伸直拇指,大拇指指向磁场的方向,则四指环绕的电流方向。()
A.
正确
B.
错误
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【简答题】It was a cold winter day that Sunday. The parking lot to the 1 was filling up quickly. I noticed, as I got out of my car, fellow church members were 2 among themselves as they walked in the church. As...
【简答题】语法填空(共20小题,每空1.5分,共30分)。 Li daiyu and Liu Qian were 1____a trip across Canada. 2____than take the aeroplane all the way, they would go 3____Canada by train after arriving in Vancouver by air. Canada i...
【简答题】Mary was a very strange woman. The fine house 1 she had lived overlooked a lovely valley. But she hardly ever went out. Though a servant looked 2 her, her only real companions were tow cats. For years...
【简答题】完形填空。 We were going to play against a team from a country school. They didn't come until(直到……才) the time 1 . They looked worse than we had thought. They were 2 dirty blue jeans and looked like fa...
【简答题】(1) reporters went to large cities all around the world. They went to (2) countries. In the survey, they tested (3) people. The reporters did three things: (4) , the paper drop test, and they looked a...
【简答题】某家俱城是一座三层的钢结构建筑,一层长80米,宽38米。消防大队检查发现钢制构件上面只刷了防锈漆,每层都是敞开的大厅,两侧各设一座敞开楼梯,设有室内消火栓系统,每个摊位均配有灭火器,开有门窗。 问: (1)该家俱城存在哪些火灾隐患和消防违法行为? (2)对该家具城营业厅内的疏散走道有什么要求? (3)对存在的问题大队应如何处理?
【简答题】某家俱城是一座三层的钢结构建筑,一层长80米,宽38米。消防大队检查发现钢制构件上面只刷了防锈漆,每层都是敞开的大厅,两侧各设一座敞开楼梯,设有室内消火栓系统,每个摊位均配有灭火器,开有门窗。 问: (1)该家俱城存在哪些火灾隐患和消防违法行为? (2)对该家具城营业厅内的疏散走道有什么要求? (3)对存在的问题大队应如何处理?
【多选题】钢结构如何防火?
A.
刷防火涂料
B.
外包防火板
C.
外包混凝土
D.
喷淋洒水
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【判断题】在画直线的过程中,尽量一气呵成,不得不中断的时候,不要用新线条破坏或压住老线条。
A.
正确
B.
错误
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