V. Read the following passage and fill in each of the blanks with ONE suitable word. (15 pts)
Most people think of computers (1) very modern inventions, products of our new technological age. But actually, the (2) for a computer was worked out (3) two centuries ago by a man (4) Charles Babbage.
Babbage was born in 1791 and (5) up to be a brilliant mathematician. He drew up plans for several calculating machines (6) he called. 'engines'. But (7) the fact that he started building some of these, he never finished any of (8). Over the years people have argued whether his machines (9) ever work. Recently, however, the Science Museum in London (10) finished building an engine (11) on one of Babbage's designs. It (12) six years to complete and (13) than four thousand parts had been specially made. (14) it works or not, the machine will be on show at a special exhibition in the Science Museum to (15) people of Babbage's work.