Mnay os us believe that seience is something modern, (a)/if (b) though (c )/ unless
the trueht is that (a)/men (b)/prople (c )/ man
has been using science for (a)/ the very long time. However , it has (b)/ a (c )/that
(a)/has a greater effect on human lives in
(b)/ have (c )/ had
the last (a)/and (b)/or (c ) either
30 years than in the hundreds of years (a) from the invention for the plough. The (b)/ for (c )/ since
(a) marellous gifts of science have made modren life (b)/costly (c )/inexpensive
(a) dull and comfortable. But since has
(b)/ exciting (c)/aimles
(a)/at the same time created new problems. On eof these which may become (b)/in (c)/within
(a) had in the years to (b)/ worse
(c ) good
come is , (a) those (b)/ this
(c) that
of 'jet-let'. With to coming of modern jets, flying at more than 900 km and hour, the
world (a) /can become (b)/ become
(c ) has become
very small indeed. Today if you (a) leave
(b) will leave
(c)/would leave
New Delat at 4.00 in the morning.
you (a) /will eat an early breakfast in the sky (b)/can (c)/must
(a)/at Kabul, and be in London by about 1.00 p.m. (b)/ on (c)/over