IF WE TURN ON DESTROYING THE FORESTS, THERE WILL BE BIG FLOODS EVE...

25. If we turn on destroying the forests, there will be big floods every year.

A

B

C

D

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the

correct word for each of the 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 (26)_____

Charles Babbage. Babbage was born 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 (27)_____ building some of these, he never finished any of them. Over the years people have

argued (28) _____ his machines would ever work. Recently, however, the Science Museum in London

has finished building (29) _____ engine based on one of Babbage's designs. (30) _____ 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.