III. Circle the best answer A, B, C or D to complete each sentence. (2 pts)

1. Air ______, together with littering, is causing many problems in our cities today.

A. pollute          B. pollution      C. polluting       D. polluted 

¬2. In many poor nations, there are frequent outbreaks ______ cholera and other diseases because people there drink untreated water.

A. of           B. from          C. to           D. with

3. It won’t be possible to save the Earth if we don’t take ______ right now.

A. job         B. work         C. duty          D. action

4.  The USA has a population of about 304 million, and it’s the third ______ country in the world.

A. smallest      B. largest      C. narrowest         D. highest 

5. The government is sending ______ to the flood victims.

A. touch          B. aid       C. accommodation             D. provision

6. Much of the town was rebuilt after the massive ______ of the tornado.

A. peace      B. humour       C. destruction        D. safety

7. I hope you won’t be working ______ I arrive at 8 p.m tomorrow.

A. while     B. since        C. although     D. when

8. “Let’s go to the movies.”         -“ ____________.”

A. I don’t  B. I need it     C. Good idea      D.  Why’s that?

natural           was          mankind          made             polluted           of

Environmental pollution is one of the most serious problems facing (1)......................... today. Air, water and soil are necessary to the survival of all living things. Badly polluted air can cause illness and even death. (2).........................water kills fish and other marine life. Pollution (3)............... soil reduces the amount of land for growing food. Environmental pollution also brings ugliness to man’s (4).....................beautiful world. 

VIII. Fill the blanks with the words given: harmful / polluted / garbage / serious / atmosphere / environment / increased / pollution

Big cities in the world are facing (1)…………problems of (2)…………..pollution, especially air and water pollution. The great number of motorcycles is on of the main causes of air (3)……………. Smoke coming out from vehicles contains a big amount of lead which is very (4)……………….to health. Besides, factories in the cities release so much carbon dioxide into the (5)……………….every day. These factories pollute not only the air but also the water as well. Poisonous sewage from factories flows directly into rivers without any treatment . Moreover, tons of (6)……………..are thrown into rivers, turning them into huge garbage dumps.

Choose A, B, C or D to complete the following passage: (Chọn A, B, C hoặc D để hoàn thành đoạn văn sau:)

AIR QUALITY

People need to breath. If they don’t breath, they (1)............. die. But how clean is the air people breath?

If they breath dirty air, they will have breathing problems and (2)............. ill. Plants and animals need clean air, too. (3)............. of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4).............. air. Air pollution can also makes our Earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.
1- A. will B. is C. are D. won’t
2- A. become B. became C. becomes D. will become
3- A. Some B. Many C. Few D. A lot
4- A. pollute B. polluted C. pollution 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 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