Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best each of the numbered blanks.
Most people think of computers as very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over two centuries ago by a man (39)_________ Charles Babbage. Babbage was bom in 1791 and grew up to be a brilliant mathematician. He drew up plans for several calculating machines which he called "engines". But despite the fact that he (40)_________ building some of these, he never finished any of them. Over the years, people have argued (41)_________ his machines would ever work. Recently, however, the Science Museum in London has finished building (42)_________ engine based on one of Babbage's designs. (43)_________ has taken six years to complete and more than four thousand parts have been specially made.
Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to remind people of Babbage's work.
(43)
A.They
B.It
C.One
D.He
Most people think of computers as very modern inventions, products of our new technological age. But actually the idea for a computer had been worked out over two centuries ago by a man (39)_________ Charles Babbage. Babbage was bom in 1791 and grew up to be a brilliant mathematician. He drew up plans for several calculating machines which he called "engines". But despite the fact that he (40)_________ building some of these, he never finished any of them. Over the years, people have argued (41)_________ his machines would ever work. Recently, however, the Science Museum in London has finished building (42)_________ engine based on one of Babbage's designs. (43)_________ has taken six years to complete and more than four thousand parts have been specially made.
Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to remind people of Babbage's work.
(43)
A.They
B.It
C.One
D.He
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