----- Nội dung dịch tự động từ ảnh -----
Read the passage and choose the best answer for each question.
One of the most urgent environmental problems in the world today is the
shortage of clean water. Having clean drinking water is a basic human right.
However, 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. Yet, they are being destroyed by the massive volumes
of industrial effluent which pour into the lake every day. Even though laws have
been made, the governments do 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 sixteen countries regularly throw industrial wastes a few miles
offshore.
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 it. What should we do to save this precious source?
36. What is the main idea of the reading text?
A. People are throwing poisons into bodies of water.
B. Clean water is becoming scarce due to pollution and sewage.
C. Laws have been made to prevent countries from polluting the environment.
D. Sea water is increasingly polluted by industrial wastes.
37. According to the reading text, Lake Baikal
A. is the smallest lake in Russia
B. has 1,300 rare and endangered animals
C. is located in the Mediterranean Sea
D. gets a large amount of industrial sewage every day
38. What does the word "them" in the passage refer to?
A. plants
39. The word "marine" is closest in meaning to
A. underground
40. Many water supplies have been ruined by_
A. pollution and sewage B. pollutionC. sewage
B. governments C. laws
D. animals
B. mountainous C. island
D. aquatic
D. industrial wastes