1.C 2. A 3.C 4.B 5.D 6.A 7.B 8.D 9.A 10.C
A5-3 Question VIII: Read the following passage carefully and choose the best answer to
each question (l0p):
One of the most urgent environmental problems in the world today is the shortage of clean water.
Having clean drinking water is basic human right. But acid rain, industrial pollution and garbage
have made many sources of water undrinkable. Lakes, reservoirs and even entire seas have
become vast pools of poison. Lake Baikal in Russia is one of the largest lakes in the world. It
contains a rich variety of animals and plants,
) including 1,300 rare species that do not exist anywhere else in the world. But they are being
destroyed by the massive volumes of industrial effluent which pour into the lake everyday. Even
where law existed, the government did not have the power to enforce them. Most industries
simply ignore the regulations. The Mediterranean Sea occupies 1% of the world’s water surface.
But it is the dumping ground for 50% of all marine pollution. Almost 16 countries regularly
throw industrial wastes a few miles off shore
Water is free to everyone. .A few years ago people thought that the supply of clean water in the
world was limitless. Today, many water supplies have been ruined by pollution and sewage -
Clean water is now scarce, and we are at last beginning to respect this precious source. We
should do something now.
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