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 radio.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,trolley-buses,and trams 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 provides 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 flights of stairs.Famous streets like Broadway and Fifth Avenue in an (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.

Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news.