one of the most urgent environmental problems in the world today is the shortage of clean water

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 tự 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 tự not have the power to tát 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 miễn phí to tát 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 tát respect it. What should we tự to tát save this precious source? What does the word " them " in the passage refer to?

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 tự 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 tự not have the power to tát 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 miễn phí to tát 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 tát respect it. What should we tự to tát save this precious source?
The word "marine" is closest in meaning to tát …………..

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 tự 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 tự not have the power to tát 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 miễn phí to tát 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 tát respect it. What should we tự to tát save this precious source?
What is serious problem of Lake Baikal in Russia?

Unless we protect the environment, our life will be badly affected.

Jack plays table tennis better phàn nàn anyone in the class.

She was very busy with her housework, so sánh she didn’t have any time to tát visit her parents.

“Please wait for u here, Hung.” The teacher said.

I don't know how you can put up……….such bad working conditions.

You have to tát take your hat ……… when you go to tát Ho Chi Minh Mausoleum.

Mark the letter A, B, C, or D to tát indicate the word OPPOSITE in meaning to tát the underlined word.
He decided not to tát buy the fake watch and wait until he had more money.

I ………..for a computer company for a year. That was after college.

Nam: Would you lượt thích to tát join us on the trip to tát La Khe Silk Village? - Ba: ………..

I passed all my exams - I’m……………!

That’s the coolest thing I’ve ever seen. It’s really …………...

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Make letter A, B, C, or D to tát indicate the part that is incorrect.
Even though being ill, Phong still went to tát school last Monday

Make letter A, B, C, or D to tát indicate the part that is incorrect.
The price of coffee were low last month, but everyone knows that it is going to tát go up this month.

Teenagers today live in a very competitive world. It is more important phàn nàn ever to tát succeed at school if you hope to tát have a chance in the job market afterwards. It’s no wonder that many young people …..1….. about letting down their parents, their peers and themselves. To try to tát please everyone, they take on too many tasks until it becomes harder and harder to tát balance homework assignments, parties, sports activities and friends. The result is that young people face up to tát stress. There are different ways of dealing with stress. Everyone knows that caffeine, in the size of coffee or soft drinks, keeps you awake and alert. But caffeine is a drug which can become ………. In the over, lượt thích other drugs, caffeine only leads to tát more stress. There are better ways to tát giảm giá khuyến mãi with stress: physical exercise is a good release for stress ……….. it increases certain chemicals in the brain which calm you down. You have to tát get enough sleep to tát avoid stress and to tát stay healthy and full of energy.