第1题: [单项选择]现有一框架结构工程,桩基础采用CFG桩,地下室外墙为现浇混凝土,深度5.5m,地下室室内独立柱尺寸为600mm×600mm,底板为600mm厚筏板基础。地下室防水层为SBS高聚物改性沥青防水卷材,拟采用外贴法施工。屋顶为平屋顶,水泥加气混凝土碎渣找坡,采用SBS高聚物改性沥青防水卷材。 对有抗渗要求的混凝土,采用普通硅酸盐水泥拌制的混凝土养护时间不得少于( )。 A. 7d B. 14d C. 21d D. 28d 参考答案:B
第8题: [简答题]Part 1Concentration
How do you concentrate on one thing
What helps you concentrate
When do we need to concentrate more
When does it make us hard to concentrate during a day
How to improve our concentration on what we do
What jobs needs concentration more
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