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【单选题】
下列关于桩承台构造方面的叙述，哪项是不正确的?( )A.
桩嵌入承台的深度不应小于300mm
B.
桩的纵向钢筋应锚入承台内
C.
混凝土强度等级不应低于C15
D.
方形四桩承台底部钢筋应双向布置
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【单选题】市场调查就是指运用科学的方法，有计划、有组织地搜集、记录、整理和分析有关市场信息，为营销决策提供客观、准确的 。
A.
信息支持
B.
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C.
决策思路
D.
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【单选题】There are two foreign students in our school.( )is from Canada,( )is from Spain.
A.
One,one
B.
One,the other
C.
One,other
D.
One,others
【单选题】Jim: Well, my mother and father live in Arizona. Right now they (2)______there. They are in Spain on a trip.
A.
isn't
B.
aren't
C.
doesn't
【判断题】FV函数认定年金pmt和现值pv现金流量的方向与计算出的终值现金流量的方向是相反的。为了使计算出的终值能显示为正数,应在输入pmt和pv参数时添加上负号。( )
A.
正确
B.
错误
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A.
正确
B.
错误
【简答题】In Spain, there are many villages with a lot of tourists in summer. The tourists go to the villages with their families,where there are festivals. People living around the villages also go to these fe...
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