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• 4.當噴嘴背壓高於設計值時稱為過膨脹 (overexpand) ，過膨脹時以下敘述何者不正確？(A)流體在漸縮噴嘴的出口壓力大於臨界壓力(B)減少了流體之質量流率(C)過膨脹時流體在細腰噴嘴則是先膨脹
• 5.比較一等熵過程、一多變過程，及一等溫過程，三種不同壓縮過程中所需加入的功，並假設三個過程均以內部可逆的方式作用於相同的壓力範圍間，而氣體為具有固定比熱的理想氣體。則何者需要的功最大？(A)等熵過程
• 6.構造物受衝擊時，需要導入有別於其正常承受外力的概念，則應用何種性質表示材料能吸收能量的能力？(A)延伸性(B)韌性(C)強度(D)金工特性
• 7.荷重超過一定限度時，荷重及伸長量之曲線不再成正比，此限度為：(A)比例限(B)彈性限(C)降伏限(D)荷重限
• 8.常見之加工材料黃銅是銅和何種元素的合金？(A)Pb(B)Zn(C)Ag(D)Cr
• 2. Comparing marginal revenue to marginal cost (i) reveals the contribution of the last unit of prod
• 3. The monopolist's proft-maximizing quantity of output is determined by the intersection ofwhi
• 4. One key difference between an oligopoly market and a competitive market is that(A) oligopolistic
• 5. When advertising encourages customers to become more informed about all frms in the market,(A) de
• 6. David faces choices between Apple and Banana. He feels that having five apples and threebananas (
• 7. John and Ethan both work eight hours a day. In one day, John can make 4 cakes or 8 ice cream,wher
• 8. Which following statement(s) is (are) correct? (i) A Giffen good is always an inferior good. (ii)
• 30. 新聞報導：竹筷子因浸泡漂白水而導致組織受損，出現了像猴子臉的構造。圖 3 為實際以顯微鏡觀察竹筷子橫切面的結果。下列敘述哪些正確？ (A)新聞所說的猴子臉構造其實是竹子的維管束(B)竹子中乙構
• 47. 有關離子在水溶液中之酸鹼性的敘述，何者錯誤？(A) 均為兩性離子(B) 皆為中性陽離子(C) 皆為酸性陽離子(D) 皆為中性陰離子
• 31. 下列有關島嶼生態的描述，哪些正確？(A)生物多樣性高低與島嶼面積大小有關 (B)海洋性島嶼較不易調查到淡水魚的分布(C)較有機會觀察到奠基者(創始者)效應 (D)物種豐富度一定較鄰近的陸塊高(
• 32. 下列有關光敏素的敘述，哪些正確？(A)為植物細胞中感受光週期的色素蛋白 (B)在植物體中有 Pr 及 Pfr 兩種型態(C)Pfr 可以吸收紅光而改變生理活性 (D)Pfr 形式的光敏素可以促
• 33. 下列有關生態棲位的敘述，哪些正確？(A)同一生態系中的不同物種，生態棲位均相同(B)食物網可呈現各物種在群集中能量之流動關係(C)不同生態系中的相同生物，具有相同的生態棲位(D)生態棲位可由物
• 9. John, Ethan, and Mary decide to buy a bike together and share the ownership. There willingnessto
• 10. Suppose Country A proposes to impose a tax on a good. One report from an economistargues that th
• 11. In a certain economy, when income is $1000, consumer spending is $800, The value of themultiplie
• 12. Which of the following is not a reason that paying eficiency wages may increase a frm's pro
• 13. If the Federal Reserve accommodates an adverse supply shock,(A) infation expectations may rise w
• 14. If a local bank decides to convert some of its U.S. Treasury securities into cash, which it will
• 15. Matilda just graduated from college. In order to devote all her efforts to college, she didn
• 16. In an IS-LM model, if the governmentadopts a loose monetary policy and a tight fiscal policysimu