39 針對一砂性土壤，其最大乾密度為 1.85 g/cm³，最小乾密度為 1.58 g/cm³。若現場測得之乾密度為 1.70 g/cm³，請問該砂土的相對密度（Dr）為何？
(A) 32%
(B) 44%
(C) 48%
(D) 55%

35取一土樣進行三軸壓縮試驗，破壞時，其有效圍壓為σ'3=100kPa，有效主應力為σ'1=270kPa。若該土壤遵循莫爾庫倫破壞準則，其凝聚力為c=20kPa，求其摩擦角（Φ'）為下列何者？(A)17.0°(B)21.0°(C)25.0°(D)29.0°

36 下列關於不同土樣在三軸試驗條件下之應力－應變行為、孔隙水壓發展或體積變化特性的敘述，何者最接近實際觀察結果？ (A)鬆散砂土在不壓密不排水（UU）試驗中，由於孔隙水壓升高，通常產生明顯的應力峰值 (B)正常壓密黏土在壓密不排水（CU）試驗中，可能產生負孔隙水壓，導致剪脹與應變軟化 現象 (C)過壓密黏土在壓密排水（CD）試驗中，體積變化主要呈現剪縮行為，應力－應變曲線較為 平緩，無明顯峰值 (D)緊密砂土在壓密排水（CD）試驗中因發生剪脹，通常會出現明顯的應力峰值及體積膨脹 行為

37 壓密試驗的主要目的之一是評估黏土在荷重作用下的壓縮行為。下列關於壓密試驗所求得之參數，何者敘述正確？ (A)壓密係數 Cv（coefficient of consolidation）可用來估算土壤壓密過程所需之最終沉陷量 (B)壓縮指數 Cc（compression index）為表示土壤膨脹能力的指標，僅適用於非飽和土壤 (C)回脹指數 Cs（swell index）是描述土壤卸載後反彈變形行為的參數 (D)預壓密壓力（Pre-consolidation pressure）用以描述目前土壤之有效應力

38 針對細粒土壤，Casagrande 建立了塑性圖進行分類。關於圖中的 A 線（A-line），下列敘述何者正確？ (A)用以劃分高塑性與低塑性 (B)用以劃分優良級配與不良級配 (C)用以劃分黏土與粉土 (D)用以劃分無機土與有機土

40 一應力元素受正向應力 σ x = 600 kPa ，σy=200 kPa 及剪應力 τxy= 100 kPa ，求其最大主應力為何？ (A) 500 kPa (B) 624 kPa (C) 800 kPa (D) 856 kPa

1 Which of the following measures allows the Customs Administration to impose additional tariffs on certain agricultural products (e.g. fruits and vegetables) when accumulative import volume exceeds the trigger quantity, or when import prices are lower than trigger prices? (A) safeguard measures (B) countervailing measures (C) antidumping measures (D) special safeguard measures

2 To circumvent the high anti-dumping or countervailing duties imposed by the U.S. or the EU on Chinese goods, many China-based companies export Chinese manufactured goods to Taiwan, just for changing the country of origin labels to "Made in Taiwan," and then further export them to the U.S. or the EU, which has been called _______. (A) illicit transshipment (B) interdict smuggling (C) labeling theory (D) money laundering

3 U.S. President Donald Trump imposed additional tariffs on Chinese imported products, and China retaliated with _______ tariffs on American imports. (A) reciprocal (B) deminis (C) neglectable (D) seasonal

4 Manifests can help verify whether declared items match the physical cargo, aiding in detecting _______ to seize undeclared drugs, cigarettes, live animals, etc. (A) similarities (B) likenesses (C) equivalence (D) inconsistencies

5 _______ refers to goods that are illegal to import or export, such as narcotics, weapons, and counterfeit items. (A) Contraband (B) Legitimacy (C) Merchandises (D) Detention