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• 48. 有關功率放大器的特性分成 A 類、B 類、AB 類及 C 類，下列敘述何者有誤？ (A) A 類放大器的工作操作點定於負載線中點 (B) B 類放大器的失真程度最小 (C) AB 類放大器的工
• 49. 有一雙極性接面電晶體(BJT)，β = 100，已知室溫下熱電壓 VT = 25 mV，若 IC = 0.5 mA，試求該 BJT 之 gm 為何？ (A) 20 mA⁄V(B) 40 mA⁄
• 50. 有關振盪器之敘述，下列何者有誤？ (A)石英振盪器是利用晶體本身之壓電效應 (B)一般 RC 相移振盪器所產生的輸出波形為三角波 (C)射頻振盪器一般採用 LC 電路 (D)低頻振盪器一般採用
• 16. 依體操比賽規定：7位裁判所給的分數中，將最高與最低的兩個分數刪除，剩下5個分數的平均就是該體操選手的成績。一名體操選手在完成動作後，螢幕上出現7個分數， 因畫面停留時間不夠長，只看到前6位裁判
• 17. 在天秤上擺放○、◇、□、△等4種物品，結果如下：2個 ○和8個△一樣重；4個□和6個△一樣重；2個◇比1個○ 重。下列敘述者錯誤？ (A)1個○比1個◇重 (B)1個◇比2個△重 (C)1個◇
• 2. The movement from point A to point B on the graph is called (in Figure 1) (A) a decrease in suppl
• 18. 甲乙兩人分別用0、1、3、5、7、8等六張數字卡排三位數。 甲排出了五個五個一數會數到的最小三位數；乙排出了不能五個五個一數的最大三位數。兩人排的三位數相差多少？ (A) 723 (B) 72
• 3. The movement from point A to point B on the graph is caused by (in Figure 1) (A) a decrease in th
• 19. 在(1)甲有A元，乙有B元，甲比乙多幾元；(2)甲有A元， 乙有B元，甲比乙少幾元；(3)甲有A元，比乙多B元，乙有 幾元；(4)甲有A元，比乙少B元，乙有幾元等4個問題中， 可以用A-B算出
• 20. 教室裡有大、中、小3個空桶，王老師用1個2000c.c.的空寶特瓶去測量它們的容量。他發現1寶特瓶=4個小桶=2個中桶=半個大桶。下列敘述何者錯誤？ (A) 小桶、中桶、大桶和寶特瓶的容量由大
• 21. 航空公司規定旅客行李托運每人限一件且不得超過23公 斤。甲、乙兩人原本的行李重量分別是16.25和18.32公斤。 他們合買了1.2公斤的特產、3.65公斤的鐵鍋、790公克的 吹風機和3.9
• 4. The price elasticity of demand measures (A) buyers' responsiveness to a change in the price
• 5. Which of the following is consistent with the elasticities given in Table 2? (A) A is a luxury an
• 6. If the price elasticity of demand for a good is 5, then a 10 percent increase in price results in
• 22. 班上有座號1~27共27位同學。國語課老師抽座號是4的倍數的同學背詩，英語課老師抽座號是6的倍數的同學背片語。有幾位同學兩堂課都被抽到？ (A) 0 (B) 1 (C) 2 (D) 3
• 23. 祭典中要放8個天燈，預計是晚上7時30分放第1個，之後每隔1分鐘30秒再放一個。結果放出第3個天燈後因設備問題暫停，直到原訂放出第7個天燈的時刻才繼續，請問最後一個天燈在什麼時候放出？ (A)
• 7. For a particular good, a 12 percent increase in price causes a 3 percent decrease in quantity dem
• 8. Refer to Figure 2. Which of the following statements is not correct? (A) When the price is $10, q
• 9. Refer to Figure 2. A government-imposed price of $12 in this market is an example of a (A) bindin
• 10. Refer to Figure 3, If this market is currently producing at Q4, then total economic well-being w
• 11. Refer to Figure 3. This market is characterized by (A) government intervention. (B) a positive e
• 12. Refer to Figure 3. At Q3 (A) the marginal consumer values this product less than the social cost
• 13. Refer to Table 3. What is the total revenue from selling 4 units? (A) $120 (B)$257 (C) $317 (D)
• 14. Refer to Table 3. What is the marginal revenue from selling the 3rd unit? (A) $40 (B)$120 (C) $2
• 15. Refer to Table 3. What is the average revenue when 3 units are sold? (A) $40 (B)$257 (C) $120 (D