第12题: [单项选择]
某施工企业全年完成总产值1168.8万元,年度耗用材料总量为888.29万元,其平均库存为151.78万元,核定周转天数为70d。现承包了某17层高层商住楼工程施工,基础采用螺旋钻灌注桩,基坑深度6m;上部为现浇钢筋混凝土框架一剪力墙结构;填充墙采用烧结多孔砖、多孔砌块和混凝土蒸压加气砌块;屋面采用卷材防水。
烧结多孔砖不允许出现破坏尺寸大于()的爆裂区域。 A. 20mm B. 10mm C. 15mm D. 25mm 参考答案:C
第19题: [单项选择]What will they do A. They will go swimming. B. They will go for a walk. C. They will go to the cinema. 参考答案:A 答案解析:[听力原文] W: Would you like to go swimming with me this afternoon M: Yes. That’s a good idea.