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Nowadays, pollution is a popular term with everyone in the world and air pollution is one type of pollution. The definition of air pollution is one such form that refers to the contamination of the air, irrespective of indoors or outside. A physical, biological or chemical alteration to the air in the atmosphere can be termed as pollution. There are some main reasons which cause air contamination such as burning of fossil fuels, agricultural activities, exhaust from factories and industries, mining operations, and indoor air pollution. Air pollution always has bad effects on our life. Harmful gases, dust, and smoke enter into the atmosphere and make it difficult for plants, animals and humans to survive. We also can see some examples of the result of air contamination which occurs around us as global warming, acid rain, and depletion of ozone layer. The effects of air pollution are alarming, so governments over the world should have suitable policies of protecting the environment, especially air quality to create a clean world for our generation in the future.

Air pollution is one of the most important pollution that humans need to understand and prevent, because it is the cause of global warming. Recently, Hanoi has announced that air pollution is at an alarming level with gray skies, which can directly affect human health. The main reason is due to human activities from means of transport, industrial production and weather factors. Our country is taking measures such as minimizing private vehicles, removing old vehicles, preventing dust at construction sites and not burning products that generate emissions that are toxic to the environment, at the same time planting many trees…. A fresh sky and air is what everyone wants, but to get that, people need to raise their awareness, contribute to protecting the environment and protect us.

1. What is the level of air pollution in Hanoi?

2. What is the main cause of air pollution in Ha noi?

3. What measures is the country taking to combat air pollution?

4. Should we plant more trees? Why

5.What is necessary to achieve clean air and a clear sky?

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 8:

A. in

B. of

C. to

D. with

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 10:

A. pollutes

B. pollutions

C. pollutants

D. polluting

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 7:

A. are

B. is

C. being

D. be

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 9:

A. Thirdly

B. Secondly

C. Fourthly

D. fifthly

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 6:

A. serious

B. more serious

C. the most serious

D. serious than

VI. Fill in each numbered blank with one suitable word from the box to complete the passage. (1pt) 

Light pollution is not as serious as water (1)_______ air pollution. Moreover, it is the type of pollution that occurs (2)_______ in cities than in rural areas. In the past, we could sit outside at night and look at glittering stars in the sky and light from objects in the space. Nowadays, cities are covered with lights from buildings, streets and advertising displays. The real problem is that it is very (3)_______ to apply light to almost everything at night. Millions of tons of oil and coal are used to produce the power to light the sky. Eye strain, loss of vision and stress are (4)_______ people may get from light pollution. 

1. A. but         B. or       C. so      D. yet

2. A. more     B. much     C. many       D. a lot

3. A. waste    B. wastes      C. wasting         D. wasteful 

4. A. who        B. why         C. what           D. which