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　Electricity is such a part of our everyday life and so much taken for granted nowadays that we hardly think twice when we switch on the light or turn on the radio．At night, roads are brightly lit, enabling people and traffic to move freely ．Colourful street-lights have become part of the character of every modern city．In the home, many labour saving devices are powered by electricity． Even when we turn off the lamp and are fast asleep, electricity is still working for us, driving our ice-boxes, heating our water, or keeping our rooms warm in winter．Every day, trains and trolleybuses take people to and from work．We rarely stop to think why or how they run until something goes wrong．

　In the summer of 1959, something did go wrong with power station that supplies New York with electricity．For a great many hours, lift came almost to standstill（停止）．Trains refused to move and the people in them sat in the dark, powerless to do anything ; lifts stopped working so that even if you were lucky enough not to be trapped（陷入）between two floors, you had the unpleaseant task（任務(wù)）of finding your way down hundreds of flights of stairs．Famous streets like Broadway and Fifth Avenue in an instant became as dark as the most distant back streets．

　People were afraid to leave their houses, for although the police had been ordered to stand by in case of （以免）emergency（緊急情況）they were just as puzzled and helpless as anybody else．

　At the same time, similar disorder happened in the home．New York can be very hot in summer and this year was no exception．Cool rooms became hot stoves．Food went bad in ice- boxes．Fish and meat remained uncooked in cooking pots, and people sat impatient and frightened in the dark as if an unseen enemy had landed from Mars（火星）, The only people who were not troubled by the darkness were the blind．Only one of the strangest things that took place was that some fifty blind people led many sighted workers home．When the lights came on again, hardly a person in the city can have turned on a switch without thinking how great a servant he bad at his finger-tips．

(1) In the first paragraph, the word“devices”means：

[　　]

A．electrical machines．

B．hand-tools that save man power．

C．inventions that make work easier．

D．ice-boxes and washing-machines only．

(2) According to what is said in this passage, electricity_______．

[　　]

A．has not made life easier．

B．is still something of a miracle（奇跡）

C．is something we think about all the time．

D．is something we have come to accept without questions．

(3) People were impatient and frightened, because ________

[　　]

A．the whole city was in complete darkness．

B．an unseen enemy had landed from Mars．

C．New York was very, very hot that summer．

D．blind people became more capable（能干的）than sighted workers．

(4) Some blind people led sighted workers home because _______　　

[　　]

A．blind people had better eyesight in darkness than sighted workers．

B．blind people were used to darkness and were not affected by the accident．

C．sighted workers were so frightened by the complete darkness that they lost their way．

D．the police had been ordered to stand by and could not take the workers home．

(5) The passage suggests that most large modern cities _______ 

[　　]

A．need more modern buildings．

B．are terrible places to live in．

C．would be better off without electricity．

D．completely depend on electricity．