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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?
19. 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.
20. 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
21. What does the word "them" in the passage refer to?
A. plants B. governments C. laws D. animals
22. The word "marine" is closest in meaning to ________.
A. underground B. mountainous C. inland D. aquatic
#Mình không chép mạng !
Dear Mom and Dad,
Currently, I am feeling very comfortable and relaxing at Sam Son, a beautiful beach. Don't worry about me. I'm feeling great here.
During two day, I did many interesting things! In the morning, my family and I have a delicious breakfast and go to the beach to shower. The sea here is very beautiful with clear blue water and white sand. Great! I saw the bird flying in the sky, it looked great. I took a picture and will send it to you. The food here is delicious and tasty. I love Sam Son!
Maybe on Monday I will be back, parents should pick me up at Noi Bai airport at 4pm.
Stop for now. See you on Monday.
Your daughter,
Linh
HỌC TỐT :D
Garbage is not in the right place.
Solution
Put trash cans in more places, propagate and mobilize people to put garbage in the right place.