1.What is the maximum allowed flush volume for a residential toilet?
1.住宅马桶最大允许冲水量是多少？
2.Joint and edge sealants must be compatible with which of the following materials?
2.接缝密封材料和边缘密封材料必须与以下哪些材料兼容？
3.Which column cross-section shape is generally the most cost-effective?
3.哪种柱截面形状通常具有最高的经济性？
4.A moment develops when a force does not have a ___ force directly along its line of action.
4.当一个力不沿其作用线方向存在 ___ 力时，会产生力矩。
5.Roof slope is rise over run, while pitch is rise over span. Span is equal to ___ run.
5.屋顶坡度（Slope）表示升高量与水平距离的比值，而屋顶倾斜率（Pitch）表示升高量与跨度的比值。跨度等于 ___ 倍的水平距离（Run）。
6.Interior carpet systems must meet which of the following requirements?
6.室内地毯系统必须满足以下哪些要求？
7.After grading a roadway, what is the minimum thickness for the first layer of asphalt on a median?
7.道路整平完成后，中间隔离带第一层沥青的最小厚度是多少？
8.A plumb bob is used to verify which characteristic of a wall?
8.垂球（Plumb Bob）用于验证墙体的什么特性？
9.Within how many minutes must concrete be placed and finished after mixing?
9.混凝土搅拌完成后，必须在多少分钟内完成浇筑和整平？
10.What is the main purpose of a keyway in a retaining wall?
10.挡土墙中的键槽（Keyway）的主要作用是什么？
