Variant 1 You could have come first and won the race if you … faster

27. We can conclude from the passage that ...
A) New York and New Jersey often suffer from traffic jams.
B) sometimes people believe things no matter how improbable they are.
C) radio stations often broadcast fictional stories deliberately to cause a panic.
D) H.G. Wells wrote stories credible enough to take in everyone.


There are two kinds of water pollution. The first is when rubbish, sewage or chemicals are thrown into the water. This waste upsets the natural environment and can be dangerous or fatal to fish and other life in the water. The second type of pollution is thermal, or warm water pollution. This is most commonly caused by hydroelectric power plants. These take water from a lake or river, convert it into steam for running the plant’s turbines, change the steam back into water, then return the water to the original lake or river. Though this water is no dirtier than when it was taken out, it is often five to ten degrees above its original temperature. This causes a change in the environment which can be as dangerous to aquatic life as waste pollution.
28. The author states that ...
A) hydroelectric plants put dirty water back into the environment
B) thermal pollution occurs when the temperature of a river or lake is raised
C) aquatic life is merely disturbed by thermal pollution
D) thermal pollution is more dangerous than pollution from rubbish or chemicals
29. In the text, what does the author say about rubbish, sewage or chemicals?
A) They have, on occasions, proved to be beneficial to aquatic life.
B) They are all part of the natural environment.
C) They are the main cause of warm water pollution.
D) They can kill aquatic life when they are thrown into the water.
30. The author points out that ...
A) fish are less affected by the second kind of pollution than by the first.
B) there is nothing that can be done to correct thermal pollution.
C) both kinds of pollution are equally bad for the natural environment.
D) water pollution is a fact of life that we must learn to live with.