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【单选题】
配有螺旋箍筋的受压柱,其极限承载力提高的原因是()。A.
螺旋箍筋增加了受压钢筋的截面面积
B.
螺旋箍筋与混凝土一起受压
C.
螺旋箍筋约束了核心混凝土的横向变形
D.
螺旋箍筋防止纵向受力压屈
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反馈参考答案：
举一反三
【单选题】All the investigations ______ before the deadline, the staff decided to have a party as a celebration.
A.
been fulfilled
B.
had been fulfilled
C.
were fulfilled
D.
having been fulfilled
【简答题】下列固体物质在同浓度 溶液中溶解度(以1 L 溶液中能溶解该物质的物质的量计)最大的是()
【单选题】Which of the following statements is true according to this passage?
A.
All the staff aren't late for work recently.
B.
The manager is not strict with all the staff.
C.
The staff have to work more than 8 hours a day.
D.
The staff can have another 30-minute break besides lunchtime in the midday.
【单选题】Who is EBS University intended for?
A.
New members of staff only.
B.
All company staff.
C.
Managers and superviors only.
【简答题】HBase 依赖()提供强大的计算能力() AZookeeper B Chubby C RPC DMapReduce
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