第25题: [单项选择]某建筑装饰公司承担了某商厦的室内、外装饰装修工程,该工程结构形式为框架结构,地上12层,地下1层,裙楼为3层。装饰施工的主要项目包括部分围护墙和女儿墙砌筑、室内抹灰、轻钢龙骨石膏板吊顶、门窗、涂饰、木作油漆和幕墙等。 以轻钢龙骨为体系的骨架隔墙,当在轻钢龙骨上安装纸面石膏板时应用自攻螺钉固定,下列有关自攻螺钉的叙述中错误的是( )。 A. 板中钉间距应小于或等于300mm B. 板中钉间距宜为400~600mm C. 螺钉与板边距离应为10~15 mm D. 沿石膏板周边钉间距不得大于200mm 参考答案:B
第29题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. The new teacher is sick. B. He hasn’t met the teacher yet. C. There are three new teachers. D. He doesn’t like the teacher. 参考答案:B 答案解析:[听力原文] W: Did you meet the new teacher yesterday All the boys were amazed by her beauty. M: R