1.What precautions are necessary for pipes running between the ceiling and floor assemblies?
1.对于穿过天花板和楼板结构之间的管道，需要采取哪些防护措施？
2.Which construction requirements apply when the ambient air temperature is between 20°F (-7°C) and 25°F (-4°C)?
2.当环境空气温度介于20°F（-7°C）和25°F（-4°C）之间时，应采取哪些施工要求？
3.Which category of masonry provides the highest structural strength?
3.哪种类型的砌体具有最高的结构强度？
4.What is the main purpose of an air chamber in a plumbing system?
4.管道系统中设置空气室（Air Chamber）的主要目的是什么？
5.Why is the standard deviation and mean used when analyzing concrete test results?
5.在分析混凝土测试结果时，为什么使用标准差（Standard Deviation）和平均值（Mean）？
6.Which material is considered best for installing ducts embedded within concrete?
6.哪种材料最适合用于安装埋入混凝土中的风管？
7.A valve installed at the highest points in a plumbing system is known as a:
7.安装在管道系统最高点的阀门称为什么？
8.Ashlar facing masonry and chamfered masonry appear similar. The key difference is that chamfered masonry has exposed edges beveled at what angle and approximate depth?
8.凿石饰面砌体（Ashlar Facing Masonry）和倒角砌体（Chamfered Masonry）外观相似，其主要区别是倒角砌体的外露边缘以什么角度和大约深度进行倒角？
9.What is the main advantage of an S‑trap compared to a drum trap?
9.与鼓形存水弯（Drum Trap）相比，S型存水弯（S-Trap）的主要优势是什么？
10.What is a bond beam in masonry construction?
10.砌体施工中的圈梁（Bond Beam）是什么？
