【完形填空】 Not very long（1）,the computer was a strange machine.

【完形填空】 Not very long（1）,the computer was a strange machine.
【完形填空】
Not very long（1）,the computer was a strange machine.Not many people understand it.Not many people said（2）to it.Today,much of that is changing.The first computer system（3）introduced for use in business in the middle of 1950s.Since then,（4）number of computer systems used in business,governments,and institutions（5）grown rapidly.In 1975,about 250,000 systems were in（6）in the United States.This figure is growing（7）tens of thousands every year.
Computer is（8）important factor in our lives.Each year we use computer more and more（9）us collect data and provide us with information.At one time,people thought computers were only useful for banks,department stores,and governments.（10）today they are used for many other purposes.
1.A.ago B.before C.after D.time ago
2.A.hello B.no C.yes D.goodbye
3.A.is B.are C.were D.was
4.A.the B.a C.the large D.a large
5.A.are B.has C.had D.was
6.A.use B.useful C.the use D.using
7.A.in B.to C.by D.at
8.A.an B.a C.the D./
9.A.help B.to help C.provide D.for
10.A.So B.Then C.And D.But

A ago
C yes
D was
A the
B has
A use
D at
A an
B to help
D but

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