Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the fo...

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25 tháng 5 2019 lúc 15:51

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 34There 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 an...

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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

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Lê Quỳnh Anh

11 tháng 4 2018 lúc 10:50

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 33There 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 an...

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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 33

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. destroyed

B. destroying

C. harming

D. harmed

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Lê Quỳnh Anh

12 tháng 2 2019 lúc 15:40

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 32There 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 an...

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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 32

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. forms

B. form

C. formed

D. forming

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Lê Quỳnh Anh

12 tháng 10 2018 lúc 16:45

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 35There 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 an...

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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

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Lê Quỳnh Anh

22 tháng 10 2017 lúc 16:39

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 29 In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe. Automobiles and industries mainly...

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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 29

In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe.

Automobiles and industries mainly account (26) _______ air pollution in most cities. They pour into the air such gases as carbon monoxide, sulfur and nitrogen oxides, (27) _____ are very harmful to humans. (28) ____ still, these gases, a series of chemical changes, turn into toxic acids. They fall down in “acid rains”, raising the acidity in the air, soil and water to dangerous levels and affecting not only tress but also fish and other wildlife. Many industrial countries in Europe and North America have suffered bad effects (29) ______ those “rains”.

Surely, Man faces no more urgent problem than that of saving his own survival. Scientists, social organizations and governments shout sit down together to solve the air pollution problem.

A. with

B. from

C. about

D. for

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Lê Quỳnh Anh

28 tháng 2 2019 lúc 5:34

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 28 In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe. Automobiles and industries mainly...

Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 28

In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe.

Automobiles and industries mainly account (26) _______ air pollution in most cities. They pour into the air such gases as carbon monoxide, sulfur and nitrogen oxides, (27) _____ are very harmful to humans. (28) ____ still, these gases, a series of chemical changes, turn into toxic acids. They fall down in “acid rains”, raising the acidity in the air, soil and water to dangerous levels and affecting not only tress but also fish and other wildlife. Many industrial countries in Europe and North America have suffered bad effects (29) ______ those “rains”.

Surely, Man faces no more urgent problem than that of saving his own survival. Scientists, social organizations and governments shout sit down together to solve the air pollution problem.

A. Badly

B. Worst

C. Worse

D. Most

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Lê Quỳnh Anh

1 tháng 9 2019 lúc 16:13

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 25 In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe. Automobiles and industries mainly...

Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 25

In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe.

Automobiles and industries mainly account (26) _______ air pollution in most cities. They pour into the air such gases as carbon monoxide, sulfur and nitrogen oxides, (27) _____ are very harmful to humans. (28) ____ still, these gases, a series of chemical changes, turn into toxic acids. They fall down in “acid rains”, raising the acidity in the air, soil and water to dangerous levels and affecting not only tress but also fish and other wildlife. Many industrial countries in Europe and North America have suffered bad effects (29) ______ those “rains”.

Surely, Man faces no more urgent problem than that of saving his own survival. Scientists, social organizations and governments shout sit down together to solve the air pollution problem.

A. got

B. become

C. becoming

D. changing

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2 tháng 8 2019 lúc 15:41

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 26 In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe. Automobiles and industries mainly...

Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 26

In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe.

Automobiles and industries mainly account (26) _______ air pollution in most cities. They pour into the air such gases as carbon monoxide, sulfur and nitrogen oxides, (27) _____ are very harmful to humans. (28) ____ still, these gases, a series of chemical changes, turn into toxic acids. They fall down in “acid rains”, raising the acidity in the air, soil and water to dangerous levels and affecting not only tress but also fish and other wildlife. Many industrial countries in Europe and North America have suffered bad effects (29) ______ those “rains”.

Surely, Man faces no more urgent problem than that of saving his own survival. Scientists, social organizations and governments shout sit down together to solve the air pollution problem.

A. for

B. about

C. of

D. with

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Lê Quỳnh Anh

15 tháng 9 2018 lúc 14:16

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 27 In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe. Automobiles and industries mainly...

Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 25 to 29. Fill in the appropriate word in question 27

In recent years there have been many articles on air pollution in newspapers and magazines. Scientists all over the world have warned that our atmosphere is (25) ______ more and more contaminated, and that Man, through his carelessness, may run out of pure air to breathe.

Automobiles and industries mainly account (26) _______ air pollution in most cities. They pour into the air such gases as carbon monoxide, sulfur and nitrogen oxides, (27) _____ are very harmful to humans. (28) ____ still, these gases, a series of chemical changes, turn into toxic acids. They fall down in “acid rains”, raising the acidity in the air, soil and water to dangerous levels and affecting not only tress but also fish and other wildlife. Many industrial countries in Europe and North America have suffered bad effects (29) ______ those “rains”.

Surely, Man faces no more urgent problem than that of saving his own survival. Scientists, social organizations and governments shout sit down together to solve the air pollution problem.

A. that

B. which

C. they

D. and

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