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4. 如右圖所示之電路圖,試求 I 值為何?(A) 2 A (B) -2A(C) 5 A (D) -5 A

21. How did the development of distilling essential oils in the Middle Ages affect the perfume industry? (A) It led to perfumes being more affordable, thus broadening their market. (B) It shifted the focus of perfumery from fragrance to medicinal purposes. (C) It allowed for perfumes to be made more efficiently and in larger quantities. (D) It caused the loss of many traditional methods of perfume-making.

22. How did Venice contribute to the development of the perfume industry? (A) It became a major perfume consumer. (B) Its glass-making industry was essential for distillation. (C) It established a perfume guild. (D) It became a perfume manufacturing hub for the entire world.

23. Which of the following best explains why perfume became closely associated with glove-making in France during the late 17th century? (A) Gloves were scented to mask the smell of the tanning process. (B) Perfume was seen as a symbol of wealth, and gloves were an accessory to showcase it. (C) The French court demanded both gloves and perfume as essential parts of personal hygiene. (D) The perfume industry and glove-making industry were both controlled by the same guild.

4. 河豚遇到適害膨大的部位為下列何者? (A)胃 (B)腹腔 (C)膘 (D)腸

44. 一台理想單相降壓變壓器的額定電壓為 1200/120 V,額定容量為 4.8 kVA,請問此變壓器的一次側與二次側的額定電流 \(I_1\) 與 \(I_2\) 分別為多少安培?(A) \(I_1 = 4.8, I_2 = 48\)(B) \(I_1 = 4, I_2 = 40\)(C) \(I_1 = 5, I_2 = 50\)(D) \(I_1 = 8, I_2 = 80\)