BT1. complete the centences , using the correct from of the words in brackets.

1. Scientists say that exhaust fumes are _______ our city.( poison)

2. Many seabirds were ______ because of the oil spill .( die )

3. waste from households will gradually ____ the lake. ( contamination )

4. Trees can't grow here because soil is too ______. ( pollute)

5. That fierce storm left behind badly _____ buidings . ( damage )

6. What's a ________? It's a substance that contamiates something.( pollute )

                        Giups tui vs . thank m.n nha 

II. Complete the sentences using the correct form of words in brackets:

1. Scientists say that exhaust fumes are _______________ our city. (poison)

2. Many seabirds were ________________ because of the oil spill. (die)

3. Waste from households will gradually _______________ the lake. (contamination)

4. Trees can’t grow here because the soil is too _______________ (pollute)

5. The ______________ of the air makes it difficult for us to breath (pollute )

6. If the ________________ continues, what will happen? (pollute)

7. Everyone is afraid of the ________________ pollution. (environment)

8. I think the careless drivers should be fined ________________. (heavy)

9. Environmental ________________ is everybody’s responsibility. (protect)

10.Scotland is famous for its ________________ countryside. (tradition)

Exercise: Complete the sentences using the correct form of the words in brackets:
1. The fierce storn left behind badly_______ buildings. (damage)

2. Much of the town was rebuilt after the massive_______ of the tornado. (destroy)

3. Many seabirds were______ because of the oil spill. (die)

4. Our cars pump out thousands of tones of______ fumes every year. (poison)

5. This hill is the______ home of King Arthur. (legend)

6. Yuri Gagarin was one of the pioneers of space_________ . (explore)

7. Waste from households will gradually______ the lake. (contamination)

8. Many animals were burnt to________ in the forest fire. (die)

9. Buckingham Palace is a major tourist_________ . (attract)

10. Trees can't grow here beacause the soil is too________ . (pollute)

Match the sentences in column A with its half in column B :

I)-Complete the sentences, using the correct form of the words in brackets.

     1.            The soil becomes _______________ because of the use of so many pesticides and fertilizers. (contaminate)

     2.            _______________ waste spills can contaminate groundwater. (industry)

     3.            In many developing countries, water pollution is usually a leading cause of ________________. (die)

     4.            ____________ elements have been found in both ground and underground water sources. (pollute)

     5.            Fish and many other animals are killed by ______________ in their habitat. (pollute)

     6.            Astronomers are concerned about light pollution because they have __________ in viewing activities in the sky and outer space. (difficult)

I)-Complete the sentences, using the correct form of the words in brackets.

     1.            The soil becomes _______________ because of the use of so many pesticides and fertilizers. (contaminate)

     2.            _______________ waste spills can contaminate groundwater. (industry)

     3.            In many developing countries, water pollution is usually a leading cause of ________________. (die)

     4.            ____________ elements have been found in both ground and underground water sources. (pollute)

     5.            Fish and many other animals are killed by ______________ in their habitat. (pollute)

     6.            Astronomers are concerned about light pollution because they have __________ in viewing activities in the sky and outer space. (difficult)

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 34

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. However

B. Moreover

C. So

D. Because

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 35

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. on

B. in

C. up

D. over