【单选题】
It was a worthwhile attempt ___ it failed to achieve its purpose that we had hoped for.
A. in the end
B. now that
C. all at once
D. even though
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答案
D
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It was when I read his letter ___ I realized he had given me huge help.
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___ they have written about the behaviors of animals is hardly anything new.
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下列部位可以设置脚手眼的有___。
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C. 宽度为1.2m的窗间墙
D. 过梁上与过梁成60°角的三角形范围及过梁净跨度1/2的高度范围内
E. 梁或梁垫下及其左右大于500mm范围
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下列关于施T.现场钢筋进场验收的说法，正确的有___
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根据《房屋建筑与装饰工程工程量计算规范》GB 50854—2013，混凝土及钢筋混凝土平工程的工程量计算规则，正确的是___。
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关于隧道工程喷射混凝土施工，说法正确的有___。
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关于混凝土冬季施工以下说法正确的有___。
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关于路面基层说法正确的是___。
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【多选题】
掺入 高效减水剂的效果是___。
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【多选题】
提高砼耐久性的重要措施主要包括___。
A. 针对工程环境合理选择水泥品种
B. 添加加气剂或膨胀剂
C. 提高浇筑和养护的施工质量
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【单选题】
关于钢筋的锚固长度，下列说法不正确的是___。
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【单选题】
受弯构件的挠度验算中，下列不正确的是___。
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B. 计算悬臂构件的挠度值时，计算跨度按实际是臂长度的2倍取用
C. 挠度验算在短期刚度的基础上，考虑荷载准永久组合的长期作用对挠度增大的影响
D. 挠度验算是以适筋梁第Ⅲ阶段的应力应变状态为依据
【单选题】
关于混凝土弯剪扭构件的配筋，下列不正确的是___。
A. 沿梁截面周边设置受扭纵筋的间距不应大于250mm
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D. 当采用复合箍筋时，位于截面内部的箍筋不应计入受拥所需箍筋
【单选题】
关于高层建筑的结构平面布置与竖向布置的说法，正确的是___。
A. 当楼层的最大层间位移角不大于规范限值的40%时，楼层竖向构件最大水平位移与楼层平均值的比值可适当放松
B. 级高度高层建筑结构的扭转第一自振周期与平动第一自振周期之比不应大于0.85
C. 剪力墙结构的楼层与其相邻上层的侧向刚度比不宜小于0.9
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