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【单选题】
餐饮从业人员烹制的菜点和提供的服务，其质量的好坏，决定着企业的效益和()。A.
费用
B.
成本
C.
信誉
D.
福利
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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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