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【单选题】
2007年12月25日,国家税务总局局长在全国税务工作会议上透露,自党的十六大召开5年来,全国税务机关共查补了1970亿元左右的税款,这表明A.
税收具有固定性
B.
税收具有强制性
C.
税收具有无偿性
D.
税收具有平等性
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【单选题】On Sundays there are a lot of children playing in the park, ______ parents seated together joking.
A.
their
B.
that
C.
whose
D.
which
【单选题】On Sundays there are a lot of children playing in the park, _parents seated together joking.
A.
their
B.
that
C.
whose
D.
Which
【单选题】on Sundays there are a lot of children playing in the park, _____ parents seated together joking.
A.
their
B.
that
C.
whose
D.
which
【简答题】楼梯柱TZ-1按抗震等级为三级的框架柱采取抗震构造措施。已知柱轴压比为0．25，纵向钢筋采用4 20，箍筋采用HPB235级钢筋，混凝土强度等级为C30，保护层厚度取30mm；箍筋配置形式如图4-4所示。试问，该楼梯柱根部的箍筋最小配置，应选用以下何项才最为合适，且满足体积配箍率的要求？
【简答题】框架柱抗震等级二级，顺锚固方向长1600mm，混凝土强度等级C30;框架梁非抗震，混凝土强度等级C25，梁底配钢筋B18，问锚入支座的长度是( )mm。 A 594 mm B 1550 mm C 890 mm D 750 mm
【单选题】On Sundays there are a lot of children playing in the park, ______ parents sit together joking.
A.
their
B.
whose
C.
which
D.
that
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