将下列单词或词组填入空格，每空格限填一词，每词或词组只能填一次。
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A. what to do B. huge amounts
of C. a huge room D. a video game machine E. pockets F. how to use them G. less quickly than H. far more quickly
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What are computers?
Computers are wonderful
machines. They can store information and solve problems.
Computers come in all sizes.
Some are small enough to fit into our {#blank#}1{#/blank#}; others are so big that the can fill{#blank#}2{#/blank#}.
Some people say that computers
can think themselves. This is not true. Human beings give computers
instructions and tell them{#blank#}3{#/blank#}.
However, computers can do
things better than people. They can store {#blank#}4{#/blank#}information and never forget it. They
work out difficult problems very, very quickly-usually{#blank#}5{#/blank#}than any human being.
You may have used computers
such as a pocket calculator, {#blank#}6{#/blank#}or
a personal computer. If not, why not learn{#blank#}7{#/blank#}right away？
