資訊推薦

• 6.定性分析實驗中，由溶液的顏色可初步判斷溶液中含有何種離子，有關各離子的顏色，下列何者錯誤？(A) ：藍色 (B) ：藍綠色 (C) ：黃色 (D) ：粉紅色
• 31. 屋內配線設計圖接地屋外型插座之符號為(A) (B) (C) (D)
• 2. If you want to obtain an item, the expense you have to give up is called(A) out-of-pocket cost.(B
• 3. The price elasticity of demand is computed as the(A) percentage change in quantity demanded divid
• 4. When demand is elastic, a decrease in price will cause(A) an increase in total revenue.(B) a decr
• 5. Suppose that Nation X can produce either 60 units of apple or 20 units of banana per year,and Nat
• 6. On a graph, the area below a demand curve and above the price measures(A) deadweight loss.(B) wil
• 7. After removing a binding price ceiling from a market by the government, the price paid bybuyers w
• 8. Consider a firm operating in a competitive market. The firm is producing 40 units of output,has a
• 9. If the government plans to reduce the tax on a good for which the supply is relatively elasticand
• 10. Which of the following statements demonstrates the “law of demand”?(A) John buys more donuts at
• 11. If a good can effectively reduce its average production cost when produced in largequantities. T
• 12. If the price of MRT tickets falls, what will the demand curve for train attendants happen?(A) It
• 13. The major cause of monopoly market power arises from(A) incompetent management in competitive fi
• 14. A monopolistically competitive industry is characterized by(A) a few firms selling products that
• 15. When oligopolistic firms interacting with one another each choose their best strategy giventhe s
• 16. The imperfectly-monitored workers attempt to shirk their responsibilities is(A) an example of th
• 17. A nation's standard of living is best measured by its(A) real GDP.(B) real GDP per person.(
• 18. Suppose a customer consumes two goods, X and Y. The slope of the budget constraintequals the(A)
• 19. If education produces positive externalities, we would expect(A) the government to tax education
• 20. Market failure associated with the free-rider problem is a result of(A) a problem associated wit
• 17. Which one of the following statements about solid Cu (face-centered cubic unit cell) is incorrec
• 18. What is the molecular shape of BrF5 as predicted by the VSEPR theory?(A) Trigonal bipyramidal (B
• 19. The rate expression for a particular reaction is rate = k[A]2[B]. If the initial concentration o
• 20. For the reaction (unbalanced), what volume (mL) of a1.25 M solution of FeCl2 is required to rea