路灯控制不当或建筑工地的聚光灯,照进住宅,影响居民休息,是一种( )。
A.视觉污染 B.灯光污染C.不可见光污染 D.电磁波辐射污染
参考答案:B
单词拼写。
1. It's qu__ t __ a nice cat.
2. The bus is coming. Be c__ __ __ ful.
3. What's the time? It's a qu __ __ ter past one.
4. —How many m__ __ls do you have a day?
—Three: breakfast, lunch and supper.
5. Tigers are a kind of __n__m__l.
6. There is a smile on her f__c__.
无粘结预应力筋的铺设应满足()
A.无粘结预应力筋的定位应牢固,浇筑混凝土时不应出现移位和变形
B.端部的预埋锚垫板应垂直于预应力筋
C.内埋式固定端垫板不应重叠,锚具与点半应紧贴
D.无粘结预应力筋的护套应完整,局部破损处应采用防水胶带缠绕紧密
E.锚具垂直于预应力筋