A as B aimless C bother D fast E flights F helpless G labor-saving H levels I money-saving - J pause K quite L stand by M standstill N traffic o trapped Electricity is such a part of our everyday lives and so much taken for granted nowadays that 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 31( )to move freely. Neon lighting used in advertising has become part of the character of every modern city. Inhe home, many 32( )devices are powered by-lectricity. Even when we turn off the bedside lamp and are 33( ) as!eep, electricity is workingor us, oriving 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 34 ( ) to consider why or howthey run-until something goes wrong. In the summer of 1959, something did go wrong with the power-plant that provided New York with electricity. For a great many hours, life came almost to a35( ). Trains refused to move and the people in them sat in the dark, powerless to doanything; lifts stopped working, so that even if you were lucky enough not to be 36 ( ) two floors, you had the unpleasant task of finding your way down 37( ) of stairs. Famous streets like Broadway and Fifth Avenue in an instant became as gloomy and unirrviting 38( ) the most remote back streets. People were afraid to leave their houses, for although the police had beenordered to 39 ( ) in case of emergency, they were just as confused and 40 ( ) as anybody else.