1.How far from a retaining wall should drainage be installed? 1.排水系统应安装在挡土墙外多远的位置？

A. 1 foot A. 1 英尺

B. 2 feet B. 2 英尺

C. 3 feet C. 3 英尺

D. 4 feet D. 4 英尺

2.What does the lumber designation “S4S” mean? 2.木材标识 “S4S” 表示什么意思？

A. Surfaced on four sides A. 四面刨光

B. Stained on four sides B. 四面染色

C. Side-for-side C. 边对边

D. Stress-for-stress D. 强度对强度

3.What is the maximum joist spacing for 5/4 decking installed perpendicular to joists? 3.当 5/4 地板板材垂直于托梁铺设时，最大托梁间距是多少？

A. 12 inches A. 12 英寸

B. 16 inches B. 16 英寸

C. 18 inches C. 18 英寸

D. 24 inches D. 24 英寸

4.Why should grade deviations over 3/8 inch be avoided when installing pavers? 4.铺设铺路砖时，为什么要避免超过 3/8 英寸的高差？

A. To ensure level and consistent slope A. 确保表面平整并保持一致坡度

B. To prevent root growth B. 防止植物根系生长

C. To meet USDA standards C. 符合 USDA 标准

D. To increase strength D. 提高结构强度

5.Which item is NOT considered part of a hardscape? 5.以下哪一项不属于硬质景观（Hardscape）？

A. Flower beds A. 花坛

B. Fencing B. 围栏

C. Fire pits C. 火炉

D. Retaining walls D. 挡土墙

6.How are deck beams secured in traditional post-and-beam construction? 6.在传统柱梁结构中，露台横梁是如何固定的？

A. Buried below soil A. 埋设在土中

B. Installed above soil B. 安装在地面以上

C. Set flush with soil C. 与地面齐平

D. Glued with adhesive D. 使用胶粘固定

7.Concrete jointing should be completed within: 7.混凝土切缝应在多长时间内完成？

A. 2–4 hours A. 2–4 小时

B. 8–10 hours B. 8–10 小时

C. 12 hours C. 12 小时

D. 48 hours D. 48 小时

8.What is the correct fix for a 9 sq. ft. section of sunken pavers? 8.对于 9 平方英尺范围内下沉的铺路砖，正确的修复方法是？

A. Add sand only A. 仅添加沙子

B. Remove bricks and sand add gravel replace sand and bricks back B. 移除砖块和沙子，增加碎石基层，再重新铺设沙子和砖块

C. Install drainage only C. 只安装排水系统

D. Use cement D. 使用水泥

9.What are the actual dimensions of S4S 2×4 lumber? 9.S4S 标准的 2×4 木材实际尺寸是多少？

A. 1-1/2\" × 3-1/4\" A. 1-1/2\" × 3-1/4\"

B. 1-1/4\" × 3-1/2\" B. 1-1/4\" × 3-1/2\"

C. 1-1/2\" × 3-1/2\" C. 1-1/2\" × 3-1/2\"

D. 2\" × 4\" D. 2\" × 4\"

10.Why do landscapers stake boundaries or install fencing? 10.园林施工中为什么要设置界桩或围栏？

A. To warn others of active construction A. 提醒他人正在施工

B. To redirect runoff B. 引导雨水径流

C. To mark property lines C. 标示地界

D. To block wind D. 阻挡风力

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