【单选题】【消耗次数:1】
配电室内的裸母线与地面垂直距离小于2.5m时,采用遮拦隔离。
正确
错误
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相关题目
【单选题】 固定式配电箱、开关箱的中心点与地面的垂直距离应大于()小于()m,移动式分配电箱、开关箱中心点与地面的垂直距离宜大于()小于()m。
①  0.8,1.4;0.8,1.6
②  1.8,1.4;0.8,1.6
③  1.4,1.6;0.8,1.6
④  0.8,1.6;1.4,1.6
【单选题】 配电室的顶棚与地面的距离不低于2m。
①  正确
②  错误
【单选题】 固定式配电箱、开关箱的下底与地面垂直距离应介于()之间。
①  1.0~3.0m
②  0.3~1.0m
③  1.0~1.5m
④  1.3~1.5m
【多选题】 施工现场架空线,关于导线与地面最小垂直距离说法正确的是( )。
①  施工现场应不小于4m
②  机动车道应不小于5m
③  机动车道应不小于6m
④  铁路轨道应不小于7m
⑤  铁路轨道应不小于7.5m
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①  正确
②  错误
【单选题】 从室内设计地面至基础底面的垂直距离称基础的埋置深度。
①  正确
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【判断题】 根据文明施工与环境保护的要求,施工现场采用封闭围挡其应高度不小于2.5m。()
①  正确
②  错误
【判断题】 电缆桥架水平敷设时的距地高度不宜低于2.5m,垂直敷设时距地高度不宜低于1.8m。
①  正确
②  错误
【判断题】 从室内地坪至基础底面的垂直距离称为基础埋深。
①  正确
②  错误
【单选题】 地面点到任意高程基准面的垂直距离称为该点的?
①  相对高程
②  绝对高程
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【单选题】 Jack, the boss, asked Steven to leave — ____, she was filed.?
①  whats more ?
②  in addition?
③  on the contrary ?
④  D. in other words ?
【单选题】 He’s never again written ____ as his first one.
①  so good a book
②  such good a book
③  such good book
④  so a good book
【单选题】 “Where do you suggest going?” “We promised ____ the children to the West Lake.”
①  taking
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③  taken
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【单选题】 Don’t be too ____ about things you are not supposed to know. ?
①  strange ?
②  amusing ?
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【单选题】 To their surprise, they had much ____ and they even went to the same college. ?
①  in the same ?
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③  all the same ?
④  common things ?
【单选题】 ____ little earlier this morning! I missed the school bus by only a minute and had to wait in the cold for nearly an hour!
①  If I had got up
②  If only I get up
③  If only I had got up
④  If I got up
【单选题】 My son is Andy. My brother’s son is Ben. Andy and Ben are ____.
①  nephews
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①  much
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①  it must have rained ?
②  ?it must rain ?
③  it must be raining ?
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【单选题】 The factory is said ____ in a fire two years ago.
①  to have destroyed
②  to be destroyed
③  to destroy
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