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13. 陶瓷坯體在那一階段開裂,修復最困難? (A)拉坯階段 (B)修坯階段 (C)附件接連階段 (D)作品乾燥後 。

14. 已乾燥坯體發現裂隙,下列那一項是不當的處置? (A)可用適合的補坯泥料填補 (B)較淺的裂隙可用刮刀、砂紙刮除或磨平 (C)可以將裂隙刮除,雕成裝飾之鏤空或浮雕圖案 (D)用軟陶土填補 。

15. 已乾燥坯體發現裂隙,如不處理會產生怎樣的結果? (A)上釉與燒成後,裂隙會擴大 (B)上釉與燒成後,裂隙會縮小 (C)上釉與燒成後,裂隙會被釉藥填滿 (D)坯體經高溫燒成後裂隙會融合 。

58. Which of the following is categorized by the text as an “endothermic material” currently used in fire safety? (A) Borosilicate glass (B) Asbestos binders (C) Alum (D) Gypsum

59. The passage implies that alum has maintained relevance across history primarily because (A) it was the only fire-resistant material available until the 20th century. (B) it proved effective enough to be adopted by multiple civilizations and remains in use today. (C) Roman engineers recognized its superiority over all other known materials. (D) its chemical properties were only fully understood in the modern era.

60. How does the passage distinguish the composition of fire door windows from standard glass? (A) They utilize ceramic or borosilicate glass to achieve superior thermal resistance. (B) They are reinforced with a coating of vinegar and alum to prevent combustion. (C) They are encased in clay and steel to withstand the high temperatures of a building fire. (D) They are manufactured using the same endothermic properties as gypsum-based pressed sheets.