2. 外语
  3. Electricity is such a part of our everyday lives and so much taken for granted nowadays【C1】______we rarely think twice when we s

Electricity is such a part of our everyday lives and so much taken for granted nowadays【C1】______we rarely think twice when we s

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问题     Electricity is such a part of our everyday lives and so much taken for granted nowadays【C1】______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【C2】______ to move freely. Neon lighting used in advertising has become part of the【C3】______of every modern city. In the home, many【C4】______devices are powered by electricity.【C5】______when we turn off the bedside lamp and are【C6】______ asleep, electricity is working for us,【C7】______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【C8】______ to consider why or how they run—【C9】______something goes wrong.
    In the summer of 1959, something【C10】______go wrong with the power-plant that provided New York with electricity. For a great many hours, life came almost to a【C11】______. Trains refused to move and the people in them sat in the dark,【C12】______to do anything: lifts stopped working, so that【C13】______ you were lucky enough not to be【C14】______between two floors, you had the unpleasant task of finding your way down【C15】______ of stairs. Famous streets like Broadway and Fifth Avenue in a(n)【C16】_____ became as gloomy and uninviting【C17】______ the most remote back streets. People were afraid to leave their houses,【C18】______ although the police had been ordered to【C19】______ in case of emergency, they were just as confused and【C20】______ as anybody else.
【C9】
选项 A、when
B、if
C、until
D、after
答案C
解析 固定搭配题。句意为：直到这些交通工具出问题时，我们才会费心思考它们为什么或如何运行。前半句出现了rarely，含否定意义，与until搭配使用，意为“直到……才……”，故答案为[C]。
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