Fill in the blanks:

Maybe you recycle cans, glass and paper. Do you know that nature recycles, too? One of the things nature (1)............ is water.Water goes from oceans, lakes and river into the air. Water falls from the air as (2)............ or snow. Rain and snow eventually find their way back to the ocean. Nature's recycling program for water is (3)............ the water cycle.

The water cycle has 4 stages: storage, evaporation, precipitation and runoff. Water on the Earth gets stored (4)............ oceans, lakes, rivers, ice and even underground. Water goes from storage into the atmosphere by a process called evaporation. When water evaporates, it changes from a liquid (5)............ a gas, called water vapor. Water vapor goes up into (6)............ atmosphere. Water returns to the Earth as precipitation in rain or snow by changing into drops of water (7)............ the air gets cold enough. Clouds are collections (8)............ water droplets. Most precipitation falls into the oceans and go right back into storage.

Water that falls on land always flows from (9)............ places to lower ones. This flow is called runoff. Water from land flows into streams. Streams join together to make (10)............ and eventually the water flows into storage in the oceans.

III. Choose the best option to complete each of the following sentences(15 points)

81.The air in the city is very ________.

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

82.If the disaster________ in an area, people from other areas will offer help.

A. happens                    B. will happen             C. happening              D. would happen

83.Nam suggested ________ a pair of shoes for Nga on her birthday.

A. buy                            B. to buy                     C. bought                    D. buying

84.I live in Da Lat, ________ is one of the most beautiful cities of Vietnam.

A. who                           B. which                     C. whom                    D. whose

85.The _______ the disaster was engine failure, not human error.

A. reason by                 B. reason on              C. reason why           D. reason for

86.He isn’t going to the concert ________ the tickets are too expensive.

A. Though                    B. in spite of             C. because                 D. because of

87.He ________ very hard recently .

A. has worked              B. is working            C. works                      D. worked

88.Tet is the most important ________ for Vietnamese people.

A. celebration               B. invention              C. decoration              D. preparation

89.We think that Mother’s Day should be celebrated ________

A. nationhood               B. nationality            C. nationwide             D. nation

90.If I were a bird, I______ be a dove. What about you?

A. will                             B. would                     C. shall                        D. may

Environmental pollution is contamination of air, water and land from (23) ___________ waste. Air pollution is the release of chemicals and particles into the (24) ___________. Water pollution includes surface runoff, leakage into groundwater, liquid spills, wastewater discharge and littering. If toxins (25) ___________ on the ground or if an underground storage tank leaks, the soil can become contaminated. Well-known contaminates include herbicides and pesticides.

Environmental pollution can have deadly effects (26) ___________ humans and ecosystems. Pollution leads to the depletion of the ozone layer, global warming and climate change. In conclusion, pollution is a serious problem in many parts of (27) ___________ world, especially in developing countries.

 A.

man-making

 B.

man-done

 C.

man-doing

 D.

man-made

câu 23 ạ

I. Read the passage and choose the best answer to each of the following questions

The environment needs our help. The air is  (1)___________ dirty. The river is  (2)___________  of rubbish. Land is polluted. Humans cannot live without air, water, or food. Each of us must act now. Each of us can help. We can use (3) ___________ energy. We can stop using plastic bags carelessly. We can reuse and recycle things. It is not too  (4)___________  to find new uses for an old thing. It doesn’t (5) __________ much time to sort out garbage. It sounds simple to save the environment. It depends on us!

1. A. too                     B. very                       C. enough                  D. as

2. A. lot                      B. filled                      C. full                         D. has

3. A. less                    B. fewer                     C. more                      D. much

4. A. comfortable     B. easy                       C. difficult                 D. important

5. A. spend                B. take                        C. waste                     D. make

Use your own idea to complete the following sentences:

If we keep hunting animals, ........................................

If we cut down all the trees, ........................................

Read the text and say these statementa are true or false:

Land pollution:

If we don'recycle plastic and glass, they stay in the ground for a long time. Dangerous chemicals can also go underground, where they are harmful to plants and animals. Whenever we recycle bottles and cans, we reduce land pollution.

Airpollution:

Some power plants and factories put pollution into the air. Cars trucks and planes can also cause air pollution. Whenever we ride a bike or keep the air conditioner low, we reduce air pollution.

Waterpollution:

The same plastics and chemicals that are harmful to our land can also be found in our ocean, rivers and lakes.

Whenever we recycle garbage or shut off the water pollution. 

Write True(T) or False(F):

1.Plastics, glasses and chemicals underground are harmful to plants and animals.

2. Land pollution is cause by dangerous chemicals in the ground.

3. We should recycle plastic and glass to reduce land pollution.

4. Air pollution only cause by cars, trucks and planes.

5. We can reduce air pollution by building more power plants and factories.

6. Water pollution is causes by some plastics and chemicals in the seas, rivers and lakes.

7. We recycle garbage and shut off the water to increase water pollution.

Ai nhanh mik tick cho tick.

X. Read the passage carefully and do the tasks.
There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by
nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the
air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and
smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping
garbage and Chemicals in the water. Plants and animals die because of the pollution in the water. We
pollute the soil with Chemicals and garbage. We harm the land by cutting down trees in the forest,
especially to build roads and new houses without careful planning and thinking.
The only way to save our environment is to think about pollution. How can you stop or limit pollution?
How do we protect our environment? Conservation is one way to protect our environment. Conservation is
the wise use and protection of our environment. We can control water pollution by not producing as much
as waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up,
after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air
pollution.
Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can
help us conserve our natural resources so they will last many more years. A. Find the word in bold in the
passage that means:
1. the protection of the natural environment ____
2. have a bad effect on something ____
3. a large amount of water covering an, area that usually dry ____
4. sharing a car ride with other people ____
5. waste gases that come out of an engine ____
6. the process of making air, water, soil, etc. dirty ____
7. get rid of ____
B. Choose the correct answers.
1. According to the passage, pollution________
A. is always caused by humans. B. can only be caused by nature.
C. is mainly caused by humans. D. may sometimes cause natural disasters.
2. What kind of pollution may a car cause?
A. Air pollution B. Water pollution C. Soil pollution D. Light pollution
3. Which of the followings is not an example of soil pollution?
A. Land development B. Waste disposal
C. Pesticide or fertilizer use D. Exhaust from traffic
4. How can we help save our environment?
A. Stop pollution. B. Dump garbage into the river.
C. Drive cars everywhere. D. Cut down trees in the forests.
5. How does recycling help the environment?
A. It expands landfills. B. It saves natural resources.
C. It increases water pollution. D. It causes air pollution.

6. What can we do to help reduce air pollution?
A. Walk or bike B. Carpool to work or school
C. Use public transport D. All of the above
7. What is the main idea of this article?
A.The air is dirty because of cars and factories. B. The soil gets polluted from littering.
C.People cause pollution, but they can also stop or limit it.
D. Conservation is the only way to stop environmental pollution.

III. Choose the best option A, B, C or D to complete the sentences.

1. The reduction in air pollution was ________  last year.

     A. dramma            B. dramatise              C. dramatically         D. dramatic

2. Too much carbon dioxide in the atmosphere causes global ________ .

     A. warm                 B. warming                C. warmly                  D. warmth

3. Could you list some non-point source __________?

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

4. __________ water resulted in the death of many aquatic animals.

     A. Contaminate    B. Contaminated       C. Contaminating     D. Contamination

5.- How is your holiday in New Zealand? - __________.

     A. Really               B. Awesome              C.Absolutely right                D.Sure

VII. Choose the best option (A, B, C or D) that fits the blank in the following passage. (2.0 points)

The quality of the air we (1) ___________ is important because it affects our health and the length of our lives. Air pollution is a big problem in many of our cities and a lot of this is caused by motor vehicles. There are six main pollutants in the (2)___________ and four of these are produced in large quantities by motor engines. The gases that are (3)___________ into the air are affected by  sunlight and turned into ozone at ground level. Unlike the ozone that is high in the atmosphere and protects us from radiation. The ozone on the ground is a health (4)___________.

         Many countries have (5)___________the level of lead pollution by banning the use of metal in (6)___________. In other countries, its use is very strictly controlled. We have to (7)___________or get rid of the three other harmful gases produced by the 630 million vehicles worldwide- a(n) (8)___________that is likely to double in the next twenty to thirty years.

             Concern about the environment has led to the invention of a device known as “the three way catalytic converter”, so-called because of the three poisonous gases it (9)___________ to produce. More efficient engines reduce the formation of these gases and the converter reduces them still further. Harmful gases in engine exhausts are burned up by passing them over a metal catalyst which (10)___________ up the reaction. The catalyst is rather expensive, but what price do we put on good health?

1. A. inhale                     B. breathe             C. breath                        D. respire

2. A. environment           B. surroundings    C. ozone                         D. atmosphere

3. A. unconfined             B. delivered          C. liberated                    D. released

4. A. peril                       B. risk                            C. exposure                    D. danger

5. A. hacked                   B. chopped           C. cut                             D. sliced

6. A. petrol                     B. coal                            C. grease                        D. energy

7. A. reduce                    B. shrink               C. condense                    D. ease

8. A. form                       B. shape               C. figure                         D. amount

9. A. assists                    B. facilitates          C. aids                                     D. helps

10. A. speeds                  B. rates                 C. paces                         D. accelerates

Question III (2.5 pts): Choose the best answer to complete each sentence.

5. The ________ is the air, water, land, animals and plants around us.        

A. environment           B. community          C. organization.          D. program

6. How much time do you spend ________ studying English?        

A. in                         B. on                          C. for                           D. with

7. The man was very________ to her, but she tried hard to do all the work.

A. cruel                  B. foolish                       C. difficult                    D. greed

8. I was born in Vietnam; Vietnamese is my________ .

A. mother tongue        B. first language     C. foreign language       D. A &B

9. The girl said that these boys broke the window by ________.

A. themselves          B. herself                  C. himself                    D. yourself

10. She advised me ________ late.

A.to not be                B. not to be               C. not be                   D. not being

11. She asked her children not to go ________ because of the cold weather.

A. inside                  B. outside                 C. downstairs             D. upstairs

12.You can ________ in other programs such as raising funds for the poor.

A. save                   B. plant                      C. organize                  D. participate

Giúp mk với!!!

III. Read the following passage and choose the best answer A, B, C or D to complete it.

Everyone wants to reduce pollution. But the pollution problem is (1)________complicated as it is serious. It is complicated (2)________much pollution is caused by things that benefit people. (3)________, exhaust from automobile causes a large percentage of air pollution. But the automobile (4)_________ transportation for millions of people. Factories discharge much (5)________ the material that pollutes air and water, but factories give employment to a large number of people. Thus, to end (6)________ greatly reduce pollution immediately, people would have to (7)________using many things that benefit them. Most people do not want to do that, of course. But pollution can be (8)________reduced in several ways. Scientists and engineers can work to find ways to lessen the (9)________of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (10)________ businesses and traffic to stop, or cut down on certain polluting activities. 

1.   A. as B. more C. less D. like

2.   A. so B. while C. though D. because

3.   A. Specific B. For example C. Such as D. Like

4.   A. takes B. affords C. carries D. provides 

5.   A. about B. for C. of D. with

6.   A. or B. and C. as well D. then

7.   A. start B. continue C. stop D. go on

8.   A. carefully B. unexpectedly C. gradually D. little

9.   A. way B. figure C. number D. amount

10. A. forbid B. prevent C. make D. require