2015专四完型填空

Electricity is such a part of our everyday lives and so much taken for granted nowadays 31. ___ we rarely think twice when we switch on the light or turn on the TV set. At night, roads are brightly lit, enabling people and 32. ___ to move freely. Neon lighting used in advertising has become part of the 33. ___ of every modern city. In the home, many 34. ___ devices are powered by electricity. 35. ___ when we turn off the bedside lamp and are 36. ___ asleep, electricity is working for us, 37. ___ our refrigerators, heating our water, or keeping our rooms air-conditioned. Every day, trains, buses and subways take us to and from work. We rarely 38. ___ to consider why or how they run—39. ___ something goes wrong.

In the summer of 1959, something 40. ___ go wrong with the power-plant that provided New York with electricity. For a great many hours, life came almost to a 41. ___. Trains refused to move and the people in them sat in the dark, 42. ___ to do anything; lifts stopped working, so that 43. ___ you were lucky enough not to be 44. ___ between two floors, you had the unpleasant task of finding your way down 45. ___ of stairs. Famous streets like Broadway and Fifth Avenue in a(n) 46. ___ became as gloomy and uninviting 47. ___ the most remote back streets. People were afraid to leave their houses, 48. although the police had been ordered to 49. ___ in case of emergency, they were just as confused and 50. ___ as anybody else.