【单选题】【消耗次数：1】
下列关于砌筑砂浆验收说法有误的一项是（ ）。
①
同一验收批砂浆试块抗压强度平均值必须大于或等于设计强度对应的立方体抗压强度
②
砌筑砂浆的验收批，同一类型、强度等级的砂浆试块应不少于3组
③
砂浆强度应以标准养护，龄期为21d的试块抗压试验结果为准
④
砂浆试块缺乏代表性或试块数量不足时，采用现场检验方法对砂浆和砌体强度进行原位检测
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相关题目
【单选题】
水泥混凝土抗压强度采用的标准试块尺寸为
①
200mm×200mm×200mm
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150mm×150mm×150mm
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100mm×100mm×100mm
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70.7mm×70.7mm×70.7mm
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when she returned
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that did she return
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Because
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With
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By
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at times
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time before time
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time and again
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circles
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is circling
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has been circling
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would not see
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had not seen
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having not seen
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did she return
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that she returned
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when she returned
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that did she return