阅读短文,用适当单词填空One of the most important inventions in the 20th century _____(be) the computer.It has been changing all our lives since then.The first computer ____(build) in 1946.It ___(be) as large as a room and very difficult an

阅读短文,用适当单词填空
One of the most important inventions in the 20th century _____(be) the computer.It has been changing all our lives since then.
The first computer ____(build) in 1946.It ___(be) as large as a room and very difficult and slow to use .But since the invention of silicon"chip",computers ____(become) smaller,easier and faster to operate.Some computer ___(be) as small as TV sets.Some can even be made smaller than a book.And computers _____(get)smaller and smaller all the time.Who ____what the computers of tomorrow ____(be)like?
There ____(be) several reasons why the computer is very important to us.First,a lot of informatian can be put into computer.Second,the computer works very quickly-thousands of times faster than a man and it ____(not be)tired.Third,modern computers can be built into other kinds of machines,like radios,cars,and planes.So today people can spend less time doing more work

One of the most important inventions in the 20th century _is____(be) the computer.It has been changing all our lives since then.
The first computer _was built___(build) in 1946.It _was__(be) as large as a room and very difficult and slow to use .But since the invention of silicon"chip",computers _have become___(become) smaller,easier and faster to operate.Some computers _are__(be) as small as TV sets.Some can even be made smaller than a book.And computers _are getting____(get)smaller and smaller all the time.Who _knows__what the computers of tomorrow _will _be__(be)like?
There __are__(be) several reasons why the computer is very important to us.First,a lot of informatian can be put into computer.Second,the computer works very quickly-thousands of times faster than a man and it _isn't___(not be)tired.Third,modern computers can be built into other kinds of machines,like radios,cars,and planes.So today people can spend less time doing more work

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One of the most important inventions in the 20th century __was___(be) the computer.It has been changing all our lives since then.
The first computer _was bult___(build) in 1946.It _was__(be) as l...

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One of the most important inventions in the 20th century __was___(be) the computer.It has been changing all our lives since then.
The first computer _was bult___(build) in 1946.It _was__(be) as large as a room and very difficult and slow to use .But since the invention of silicon"chip",computers _have become___(become) smaller,easier and faster to operate.Some computers _are__(be) as small as TV sets.Some can even be made smaller than a book.And computers _are getting____(get)smaller and smaller all the time.Who _knows___what the computers of tomorrow _are___(be)like?
There _are___(be) several reasons why the computer is very important to us.First,a lot of informatian can be put into computer.Second,the computer works very quickly-thousands of times faster than a man and it _does not get___(not be)tired.Third,modern computers can be built into other kinds of machines,like radios,cars,and planes.So today people can spend less time doing more work

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