第3题: [单项选择]关于浇筑混凝土井壁的施工要求,说法正确的是( ) A. 装配式钢模板高度不宜超过1.5m B. 装配式钢模板高度不宜超过1.2m C. 采用短段掘砌脱模时混凝土强度不得小于1.0MPa D. 采用滑升模板时混凝土强度不得小于1.0MPa 参考答案:B 答案解析:解析:P112,浇筑式混凝土井壁施工要求:2.装配式钢模板高度不宜超过1.2m;9.脱模时的混凝土强度,采用滑升模板时,应为0.05-0.25 MPa;采用短段掘砌时,应为0.7-1.0 MPa;采用
第8题: [单项选择]What does the woman tell the man he must do A. Read an article on political science. B. Present a different theory to the class. C. Read more than one article. D. Choose a better article to read. 参考答案:C 答案解析:[听力原文] M: I’d better read one of the articles for our political science class. W: You can’t r
第9题: [填空题]
It’s in ______. 参考答案:Washington D.C. 答案解析:[听力原文]11-15
You might wonder where the largest library in the world is. Now, I can tell you the