1.Which mortar type is no longer used in residential construction? 1.哪一种砂浆类型已不再用于住宅建筑？

A. Type M A. M 型

B. Type S B. S 型

C. Type K C. K 型

D. Type O D. O 型

2.Which tool is used to compact gravel into a level base? 2.哪种工具用于将碎石夯实成平整基层？

A. Hammer A. 锤子

B. Tamper B. 夯锤（夯实器）

C. Bobcat without attachments C. 无附件的小型装载机

D. Backhoe D. 挖掘机

3.Which installation requires a compacted base beforehand? 3.哪些施工在安装前必须先做夯实基层？

A. Driveway slabs A. 车道混凝土板

B. Pavers B. 铺砖（Pavers）

C. Brick grills C. 砖砌烧烤炉

D. All of the above D. 以上全部

4.What fasteners are typically used at the base of deck posts? 4.露台立柱底部通常使用哪种紧固件？

A. Nails A. 钉子

B. Galvanized bolts B. 镀锌螺栓

C. Non-galvanized bolts C. 非镀锌螺栓

D. Screws D. 螺钉

5.What material is added to concrete to improve strength? 5.在混凝土中加入哪种材料可提高强度？

A. Sand A. 砂

B. Water B. 水

C. Gravel C. 碎石

D. Fiber mesh D. 纤维网

6.Where are interlocking pavers most commonly used? 6.联锁式铺砖最常见的应用场所是？

A. Garden beds A. 花坛

B. Pool areas B. 泳池周边

C. Subfloor systems C. 楼板系统

D. Steep drainage slopes D. 陡坡排水区

7.When installing interlocking pavers, polymeric sand is applied: 7.安装联锁铺砖时，聚合物砂应在什么时候使用？

A. As the bedding layer A. 作为垫层

B. Before pavers are placed B. 铺砖前

C. After sealing C. 封层之后

D. After the pavers are cleaned and dry D. 铺砖清理干净并完全干燥后

8.Which method helps align fence posts, follow slopes, and save installation time? 8.哪种方法有助于对齐围栏立柱、顺应坡度并节省安装时间？

A. Visually aligning posts A. 目测对齐立柱

B. Running a stringline between corner posts B. 在角柱之间拉线定位

C. Setting line posts first C. 先安装中间立柱

D. Hiring engineers before installation D. 安装前先请工程师