【单选题】下列有关绝热、吸声(隔声)材料内容中,哪一项是错误的?( )
A.
矿渣棉导热系数约为0.052,不燃、价格低,但吸水性大、弹性小
D.
墙体单位面积质量增加一倍,则墙体的隔声量增加10DB
【简答题】—Could I borrow your camera?—_____, but please give it back by Saturday.A. I am sorry B. Of course C. Certainly not
【判断题】仓库温湿度的控制方法有密封、通风、吸潮。
【简答题】从下面选择适当的句子完成对话。 A. What's this in English? B. Good morning. C. And this is my good friend, Beth. D. What' s your name, please? E. Nice to meet you, too. A: Good morning. B: 1 A: 2 B: My name's Peter. ...
【单选题】中国古典舞的运动规则是( )
A.
欲左先右 ” 、 “ 欲上先下 ” 、 “ 欲开先合
【单选题】中国古典舞的运动规则是( )
A.
欲左先右 ” 、 “ 欲上先下 ” 、 “ 欲开先合
【判断题】Mary's and Mike's mother is a doctor.