- “PASS THE FISH SAUCE, PLEASE.”-”______”A.YES, I WILL. CAN YOU WAI...

50.- “Pass the fish sauce, please.”

-”______”

A.Yes, I will. Can you wait?

B.No, it is far from me.

C.Certainly, here you are.

D.But do you like it?

Choose the right option for each gap to complete the following passage.

All forms of non-renewable energy sources are to a greater or lesser (51)______ polluting,

though the type of pollution varies. Coal, in common with other fossil (52)_______ ,

produces sulphur dioxide, though in this respect gas (53)______ very favourable with coal

and oil. The combustion of fossil fuels also produces carbon dioxide in (54)__________

greater amounts than plant life can use. This carbon dioxide, by (55)_______ in the

atmosphere, may well lead to global rises (56)______ temperature (called the “greenhouse

effect”) and such rises could in time have a (57)_____ the atmosphere (58)_____effect on

climate. Nuclear fuel doesn’t emit gases into used, but it produces its own highly toxic

waste products. Being solid these are easier to control than the gases emitted by fossil

fuels but their presence in growing quantities is (59)______very dangerous indeed. All

forms of fuel so far (60)______ add to the earth’s heat load and in this way provide a long

term danger to the environment.