45. "Narrow down" in line 3 is closest in meaning to ______.
(A) limit in range or scope
(B) deregulate in width
(C) liberate in length
(D) find 

41. Choose the best answer for blank #5. (A) many (B) rare (C) none (D) various 

42. What is the best title for this reading? (A) One Thing I Would Bring if I Plan to be Away from Home for A Year. (B) Laptop and Its Uses (C) Why I Want a Laptop (D) Why Going Abroad is Important

43. This would most likely be the ______ of an essay. (A) Supporting Detail(B) Conclusion (C) Body(D) Introduction

44. Identify the thesis statement. (A) The reason why I would choose my laptop is because I will need it for academic purposes, for leisure, and to communicate with my friends and family in my home country. (B) Going abroad, especially for a long period of time like for schooling, requires careful preparation for packing. (C) So, we must narrow down the most important items with care. (D) If I were to go abroad for one year and could bring one additional thing I would definitely chose my laptop computer.

46. When a solar storm is coming, why do we need to disconnect transformers? (A) to make routine maintenances (B) to repair damaged transformers (C) to avoid electrical surges (D) so as to not to be blown away by solar winds

47. Which of the following statement is false? (A) We can stop the Sun from emitting solar winds with today's technologies. (B) The solar wind is a stream of energized, charged particles. (C) We can monitor and give warnings when stormy weather is approaching. (D) Solar storms may damage our high-tech systems. 

48. What is a "cup of Joe""? (A) A cup of coffee (B) Joe's coffee shop (C) Coffee beans (D) A special flavored coffee for navy officers

49. Which of the following was not one of Josephus Daniels' reforms? (A) obliterate the officers' wine mess (B) Consent officers to drinking on board (C) The introduction of women into the service (D) Advancement from the ranks

50. What does the word "inaugurating" mean? (A) commencing (B) radiating (C) abolishing (D) eliminating

1. 三相 11.4kV 之受電用戶，主變壓器容量為 1000kVA，阻抗為 5%，激磁電流為 1.5%，負載為900kVA，主變壓器消耗之無效電力 kVAR 為若干？ (A)55.5 (B)65 (C)75 (D)85.5。