VI. Fill in the gaps with the correct form of the words or the correct form / tense of the verbs.

1.        Many elderly people are living in ________________ now.                                 (poor)

2.    Air pollution has reached _____ levels in some cities.                                 ( danger)

3.    He was unqualified and totally __________________.                                   ( experience)

4.        We were really _______________ at the news of their safe return.( relief)

5.         He can calculate very quickly. He has an amazing _______________ to solve mathematical  problems.( able)

6.        The company made hundreds of employees _______________. ( redundancy)

7.        There is no__________________ explanation for what happened.( science)

8.        His ________________ prevents him from hearing well.  (deaf)

9.        The ________________ are suffering from hunger. (employ)

10.     The computer helps us perform ________________ calculations. (accuracy)                        

11.     Because we had prepared everything ________________, we had a great trip.(careful)

12.     He came first in the Quiz Show last week. It was the most ________________ event for him.      (memory)

VII  Fill in the blank with the correct form of the given word.

I. Fill in the blank with the correct form of the word

1. What is the correct .............. of this word (pronounce)

2. Last week we have an ........... summer holiday ( enjoy)

3. The ............ of the project made me tense ( important)

4. You had better do some........... for the final exam ( revise)

5. ....................., her illness was more serious than we thought ( fortunate)

II. Fill in each gap with a suitable word to complete th following passage

Rivers are one of the world's most important natural resources . Many cities are on the large rivers, and (1)......... every country has a least one river that (2)............. an important part in the lives of its people . Beside transportation, rivers (3).......... water for crops, water to drink , and re creation for people who live along their (4).............. And in (5)............ to get water for crops , engineers sometimes build a dam (6) a river and let water become a lake behind the dam . Then people can use their water not (7)........ irrigate fields but also to make eletricity for homes and industries. (8)........ the water often becomes polluted when cities river bank grow (9) ............ and the number of industries increases. We are learning that it is necessary to (10) ....... rivers clean if we want to enjoy the benefits of the natural resources.

I.Put the verbs into the correct form:

1.If people (be)..............fully aware of the dangers of air pollution,they (damage)....................the atmosphere this way

2.We (not be).......................able to drink that water if it is not refined

3.If you (reduce)........................the number of bulbs in your house,you (pay)....................less money for the electricity bill next month

II.Fill in the blank with the correct form of the given word

1.Many people don't know about the........................of soil pollution (dangerous)

2.The river is seriously....................by the factory's waste (contaminate)

3.The water color can show us how..................the river is (pollute)

III.Find one mistake in each sentence and correct it

1.Constant exposure to noise pollution will lead in the loss of hearing (gạch chân ở to,will,in,loss)

Fill each gap of the following sentences with the correct form of the word in brackets. Write your answers in the corresponding numbered boxes. 
1. Water _________are things such as detergents, pesticides, oil, and other chemicals. (POLLUTE)
2. There are so many swear words in this article that I think it’s________.  (PRINT)
3. Under her fine editorship, ________ has increased by 100,000. (CIRCULATE)
4. Deaths caused by reckless driving are ________.  (AVOID)
5. In electronics, we learn to repair______ appliances.  (HOUSE)
6. A recent report has warned of global food _______ unless the current system of farming and food distribution is changed. (SHORT)
7. Increasing world ______ will lead to the rise in demand for energy, food and fresh water. (PROSPEROUS)
8. The spiral and the helix are everywhere, ______, curving shapes whose incredible regularity contrasts so sharply with the random world around them. (GRACE)
9. ______ people stand to benefit most from these policies. ( EMPLOY)
10. His English is not the  ______ in the class. (BAD)

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

Environmental pollution

Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings. Man dirties the air with gases and smoke, (25) _______the water with chemicals and other substances, and damages the soil with (26) _______ many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by (27) _______ junk and litter on the land and in the water. They operate machines and motor vehicles that fill the air with disturbing noise.

Environmental pollution is one of the most serious propblems facing humankind today. Air, water, and soil are necessary to the survival of all living things. Badly polluted air can cause illness, and (28) _______ death.Polluted water kills fish and other (29) _______ life. Pollution of soil reduces the amount of land that is available for growing food.

A. extreme

B. too

C. such

D. all

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

Environmental pollution

Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings. Man dirties the air with gases and smoke, (25) _______the water with chemicals and other substances, and damages the soil with (26) _______ many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by (27) _______ junk and litter on the land and in the water. They operate machines and motor vehicles that fill the air with disturbing noise.

Environmental pollution is one of the most serious propblems facing humankind today. Air, water, and soil are necessary to the survival of all living things. Badly polluted air can cause illness, and (28) _______ death.Polluted water kills fish and other (29) _______ life. Pollution of soil reduces the amount of land that is available for growing food

A. disposing

B. filling

C. using

D. making

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

Environmental pollution

Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings. Man dirties the air with gases and smoke, (25) _______the water with chemicals and other substances, and damages the soil with (26) _______ many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by (27) _______ junk and litter on the land and in the water. They operate machines and motor vehicles that fill the air with disturbing noise.

Environmental pollution is one of the most serious propblems facing humankind today. Air, water, and soil are necessary to the survival of all living things. Badly polluted air can cause illness, and (28) _______ death.Polluted water kills fish and other (29) _______ life. Pollution of soil reduces the amount of land that is available for growing food.

A. therefore

B. consequently

C. even

D. just

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

Environmental pollution

Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings. Man dirties the air with gases and smoke, (25) _______the water with chemicals and other substances, and damages the soil with (26) _______ many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by (27) _______ junk and litter on the land and in the water. They operate machines and motor vehicles that fill the air with disturbing noise.

Environmental pollution is one of the most serious propblems facing humankind today. Air, water, and soil are necessary to the survival of all living things. Badly polluted air can cause illness, and (28) _______ death.Polluted water kills fish and other (29) _______ life. Pollution of soil reduces the amount of land that is available for growing food.

A. water

B. marine

C. hydro 

D. coastal