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• 78. 發光二極體ＬＥＤ正常工作時，通常是施工於何種狀態？(A)順向偏壓 (B)逆向偏壓 (C)逆、順向偏壓皆可 (D)零偏壓
• 79. 一般二極體P-N接面的反向電阻會隨溫度的上升而產生何種變化？(A)增大 (B)減小 (C)先增大再減小 (D)毫無影響
• 80. 在P型半導體中，導電的多數載子為何者？(A)電子 (B)原子核 (C)電洞 (D)離子
• 81. 二極體倍壓電路常使用於下列何種電路中？(A)低電壓、小電流(B)低電壓、大電流(C)高電壓、低電流(D)高電壓、高電流
• 1. 下列選項「」中的字， 何組前後意思相同？(A) 香遠「益」清／集思廣「益」 (B)「予」取予求／上天賜「予」 (C)變本加「厲」／疾言「厲」色(D)少有「令」譽／巧言「令」色。
• 82. 圖為三用電表，請回答下列問題 使用三用電表測量電阻值，下列步驟順序何者正確？①調整B，做歐姆歸零 ②調整A，使指針歸零 ③讀取面板數值 ④將D、E測試棒觸碰形成短路 ⑤將C旋轉至歐姆檔位x10
• 52. "Tooth brushing teaching" can be categorized in which of the following major aspects o
• 53. According to the World Health Organization (WHO) standard, an "aged society" is acount
• 55. According to regulation of Taiwan Center for Disease Control, people should keep howmuch distanc
• 54. Up to now, there are over 300,000 people died in COVID-19 (Coronavirus disease-2019)globally. Wh
• 56. The disease transmission of COVID-19 is mainly by:(A) air pollutants(B) blood transmission(C) fe
• 57. About the treatment of COVID-19 infection, which of the following statement is nottrue？(A) There
• 60. The "Theory of Planed Behavior" was developed by Azjen in 1985. Which of thefollowing
• 61. Which of the following behavior science model includes "self-efficacy" as one of its k
• 59. According to the statistic report of Taiwan Centers for Disease Control, the age rangethat most
• 64. "Silent Spring" published in 1962, is an environmental science book by Rachel Carson.T
• 62. The Transtheoretical Model mentioned five stages of change to describe behaviorchanges. Which of
• 65. "Sick building syndrome" is:(A) a phenomenon that building's outer surface come o
• 67. Cardiopulmonary resuscitation (CPR) is an emergency procedure that combines chestcompressions of
• 66. If a student is down in the playground with these symptoms: Dizziness andlight-headedness; Lack
• 68. Methamphetamine is the most used prohibit drug in Taiwan. According to regulations ofTaiwan Food
• 69. Methane is one of the greenhouse gases with a higher global warming potential thancarbon dioxide
• 70. Which of the following pollutants is not included in Taiwan Air Quality Index (AQI)？(A) carbon d
• 71. When Air Quality Index (AQI) above 300, that means the air quality is hazardous tohuman being. W
• 58. Which of the following diseases will destroy human immune system？(A) AIDS (B) Influenza (C) SARS