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Light pollution is the excessive, misdirected or invasive use of artificial outdoor lighting. Mismanaged lighting affects the environment, energy resources, wildlife, humans and astronomy research.

Light pollution is not a new phenomenon. Over the last 50 years, as countries became affluent and urbanized, demand for outdoor lighting increased and light pollution sprawled beyond the city limits and into suburban and rural areas. This form pollution is now prevalent in Asia, Europe, and North America, particularly in cities like Los Angeles, New York and Washington D.C. In 2008, National Geographic magazine named Chicago the most light-polluted city in the United States.

However, the most light-polluted spot in the world is Hong Kong, China. In March 2013, the University of Hong Kong named the city the most light polluted in the world. A study by the university found the night sky in TsimShaTsui, an urban neighborhood in southern Kowloon, Hong Kong, to be 1,200 times brighter than a normal urban city sky. Luminous pollution of this magnitude is on the rise worldwide. In a 2010 article from the Ecology and Society Journal, Hölker and others stated the use of artificial lighting increases by 20% each year, depending on the region, and noted there is an urgent need for light pollution policies that surpass energy efficiency to include humans, animals and the environment.

1: Light pollution is the excessive, misdirected or invasive use of artificial outdoor lighting.A. True        B. False

2: Light pollution sprawled beyond the city limits and into suburban and rural areas.”.

A. True        B. False

3:Chicago is the most light-polluted city in the world.  A. True        B. False

4: A city in Hong Kong is more than two hundred times brighter than a normal one.

A. True        B. False

5: Luminous pollution of this magnitude is on the rise worldwide.A. True        B. False

1
4 tháng 8 2021

1. A

2. A

3.A

4.B

5.A

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Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage. Light pollution is not (1)…….. serious as water or air pollution. (2)………, it is the type of pollution that (3)……….. more in cities than in rural areas. In the past, we could sit out at night and (4)………..at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings , streets , advertising displays, many of which direct the...
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Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Light pollution is not (1)…….. serious as water or air pollution. (2)………, it is the type of pollution that (3)……….. more in cities than in rural areas. In the past, we could sit out at night and (4)………..at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings , streets , advertising displays, many of which direct the lights up into the sky and into many unwanted places. The real problem is that it is very (5)…….to apply light to almost everything at night . Millions of tons of oil and coal (6)……...to produce the power to light the sky. Eye strain, (7)…………..of vision and stress are what people may get from light pollution. (8)………..light at night can harm our eyes and also harm the hormones that help us to see things properly.
1.A. more B.as C. much D. only
2.A. Moreover B. However C.Therefore D. Nevertheless
3.A. happen B. occur C. occurs D. is occurred
4.A.watch B. see C. spend D. gaze
5.A. waste B. wastes C. wasting D. wasteful
6.A. used B. using C. is used D. are used
7.A. lose B. lost C. loss D. losing
8.A. Very much B. Too much C. Too many D. So many

1
10 tháng 1 2019

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Light pollution is not (1)…….. serious as water or air pollution. (2)………, it is the type of pollution that (3)……….. more in cities than in rural areas. In the past, we could sit out at night and (4)………..at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings , streets , advertising displays, many of which direct the lights up into the sky and into many unwanted places. The real problem is that it is very (5)…….to apply light to almost everything at night . Millions of tons of oil and coal (6)……...to produce the power to light the sky. Eye strain, (7)…………..of vision and stress are what people may get from light pollution. (8)………..light at night can harm our eyes and also harm the hormones that help us to see things properly.
1.A. more B.as C. much D. only
2.A. Moreover B. However C.Therefore D. Nevertheless
3.A. happen B. occur C. occurs D. is occurred
4.A.watch B. see C. spend D. gaze
5.A. waste B. wastes C. wasting D. wasteful
6.A. used B. using C. is used D. are used
7.A. lose B. lost C. loss D. losing
8.A. Very much B. Too much C. Too many D. So many

Water pollution is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels. It has been suggested that water pollution is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. An estimated 580 people in India die of water pollution related illness every day. About 90 percent of the water in the cities of China is polluted. As of 2007, half a billion Chinese had no access to...
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Water pollution is a major global problem which requires ongoing evaluation and
revision of water resource policy at all levels. It has been suggested that water
pollution is the leading worldwide cause of deaths and diseases, and that it accounts
for the deaths of more than 14,000 people daily. An estimated 580 people in India
die of water pollution related illness every day. About 90 percent of the water in the
cities of China is polluted. As of 2007, half a billion Chinese had no access to safe
drinking water. In addition to the acute problems of water pollution in developing
countries, developed countries also continue to struggle with pollution problems. For
example, in the most recent national report on water quality in the United States, 44
percent of assessed stream miles, 64 percent of assessed lake acres, and 30
percent of assessed bays and estuarine square miles were classified as polluted.
The head of China’s national development agency said in 2007 that one quarter the
length of China’s seven main rivers were so poisoned the water harmed the skin.
Water is typically referred to as polluted when it is impaired by anthropogenic
contaminants and either does not support a human use, such as drinking water, or
undergoes a marked shift in its ability to support its constituent biotic communities,
such as fish. Natural phenomena such as volcanoes, algae blooms, storms, and

earthquakes also cause major changes in water quality and the ecological status of
water.
1. What is the leading worldwide cause of deaths and diseases?
2. How many people die every day by water pollution?
3. How many percent of the water in the cities of China is polluted?
5. What phenomena cause major changes in water quality and the ecological status
of water?

1
24 tháng 2 2020

Water pollution is a major global problem which requires ongoing evaluation and
revision of water resource policy at all levels. It has been suggested that water
pollution is the leading worldwide cause of deaths and diseases, and that it accounts
for the deaths of more than 14,000 people daily. An estimated 580 people in India
die of water pollution related illness every day. About 90 percent of the water in the
cities of China is polluted. As of 2007, half a billion Chinese had no access to safe
drinking water. In addition to the acute problems of water pollution in developing
countries, developed countries also continue to struggle with pollution problems. For
example, in the most recent national report on water quality in the United States, 44
percent of assessed stream miles, 64 percent of assessed lake acres, and 30
percent of assessed bays and estuarine square miles were classified as polluted.
The head of China’s national development agency said in 2007 that one quarter the
length of China’s seven main rivers were so poisoned the water harmed the skin.
Water is typically referred to as polluted when it is impaired by anthropogenic
contaminants and either does not support a human use, such as drinking water, or
undergoes a marked shift in its ability to support its constituent biotic communities,
such as fish. Natural phenomena such as volcanoes, algae blooms, storms, and

earthquakes also cause major changes in water quality and the ecological status of
water.
1. What is the leading worldwide cause of deaths and diseases?

Water pollution is the leading worldwide cause of deaths and diseases.
2. How many people die every day by water pollution?

More than 14,000 people die every day by water pollution.
3. How many percent of the water in the cities of China is polluted?

25% of the water in the cities of China is polluted.
5. What phenomena cause major changes in water quality and the ecological status
of water?

Volcanoes, algae blooms, storms, and earthquakes.

I. Read the passage carefully, then answer the following questions London is by far the largest city in England and the United Kingdom. 8.63 million people live in London, which is on the River Thames. It is the capital of the United Kingdom. London is the biggest city in middle Europe, and the world's largest financial centre. London was founded by the Romans in AD 43 and called Londinium. The city has a huge network of transport systems. The Victorians built a number of railway systems in...
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I. Read the passage carefully, then answer the following questions

London is by far the largest city in England and the United Kingdom. 8.63 million people live in London, which is on the River Thames. It is the capital of the United Kingdom. London is the biggest city in middle Europe, and the world's largest financial centre. London was founded by the Romans in AD 43 and called Londinium. The city has a huge network of transport systems. The Victorians built a number of railway systems in the mid-19th century.

There is also the world's first underground railway system, London Underground, which is the main way commuters get into London .There are five airports, though only one is actually in London (the City Airport). Most people in London are British. However, London also has many immigrants. These people come from many different countries. Many people visit London as tourists. They may see the famous "Sights of London". These sights include palaces, churches and museums. London is one of the world's most important cities for business, finance, and politics. It is also important for culture: media, entertainment, fashion, and art.

1. Is the largest city in England and the United Kingdom also the capital of the United Kingdom?

..................................................................................................................................................................

2. What is the population of London?.

..................................................................................................................................................................

3. How many airports actually are there in London?

..................................................................................................................................................................

4. When were the railway systems in London built?

..................................................................................................................................................................

5. Do you want to visit London? Why or Why not?

..................................................................................................................................................................

(0) pollution make from cause emitted seldom fumes

Everyday on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, for example, (0) pollution problems. Air pollution is the first kind. It mostly comes from (1) .......................... released from motorbikes, cars, airplanes, trains and poisonous gases (2) ........................... from factories. Also, waste is dumped any where, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and the fish they catch feed many people. But the sea has become so polluted (3) ................................... oil spills and factory wastes that the fish are dying. This pollution is not only killing the fish, but is also affecting those people who eat fish.

(4) .............................. do you find a place nowadays that is not polluted. This problem is growing more difficult everyday. We must find a good solution that can (5) ........................... the world a better place to live.

0
I. Read the passage and choose the suitable word to fill in each blank. (1 point)foundedtouristslocatedattractedpopulationNew York City is (1) _________________ in the southeastern part of New York State, just east of New Jersey. The city was (2) _________________ by the Dutch in 1624. At first it was called Fort Amsterdam, and then New Amsterdam. In 1664, the English took over the city and renamed it New York. With the (3)_________________ of more than 7 million in the city and 19 million in...
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I. Read the passage and choose the suitable word to fill in each blank. (1 point)

founded

tourists

located

attracted

population

New York City is (1) _________________ in the southeastern part of New York State, just east of New Jersey. The city was (2) _________________ by the Dutch in 1624. At first it was called Fort Amsterdam, and then New Amsterdam. In 1664, the English took over the city and renamed it New York. With the (3)_________________ of more than 7 million in the city and 19 million in the metropolitan region, New York is the largest city in the United States. It is divided into five parts, which are Manhattan, the Bronx, Brooklyn, Queens, and Staten Island. The total area of these parts is 946 square kilometers. Visitors to New York are all (4) _________________ by places such as the Statue of Liberty, the Empire State Building, Times Square, Wall Street, and Broadway theatre district. New York is also where (5)_________________ can visit some world famous art galleries and museums.

II. Read and answer the questions below. (1 point)

There are two types of air pollution. That is the outdoor air pollution caused by factories, automobiles and biological matter. We most commonly associate air pollution with smog and acid rain. That is of course a problem and you might be surprised how aware children are of the air pollution concerns. However, there is also indoor air pollution. Indoor air pollution causes just as many health problems around the globe as outdoor air pollution. And because many people are not aware of it, they suffer unnecessarily. According to the World Health Organization, 2.4 million people die each year from air pollution and 1.5 million of these deaths are caused by indoor air pollution. Educating young  kids about  air pollution can be an efficient solution to this alarming worldwide issue because it can make them somewhat aware of air pollution. They may have heard about the greenhouse effect, global warming and acid rain. These problems may be  frightening for children to hear. However, children also have the power to make changes both inside their home and globally.

6.      What causes the outdoor air pollution?

________________________________________________________________________________

7.      Is indoor air pollution a reason for nearly as many health problems in the world as outdoor one?

________________________________________________________________________________

8.      Why do people suffer from the air pollution unnecessarily?

________________________________________________________________________________

9.      How many people die every year from air pollution?

________________________________________________________________________________

10.  What may make kids frightened if they hear about them?

________________________________________________________________________________

0
Rearrange the sentences in order to make a meaningful conversation ,writting the correct letter(A-H) in each blank.The conversation starts with number 0 0.Mi:Nick,last Sunday my mother and I went to the mall in the city center to buy some new clothes for our Tet holiday.The streets were so bright at night ......A.Mi:I see.Do you know any other examples of light pollution? ......B.Mi:Besides the waste,light pollution may affect human health ad our sleep cycles ......C.Mi:Light pollution?Our...
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Rearrange the sentences in order to make a meaningful conversation ,writting the correct letter(A-H) in each blank.The conversation starts with number 0

0.Mi:Nick,last Sunday my mother and I went to the mall in the city center to buy some new clothes for our Tet holiday.The streets were so bright at night

......A.Mi:I see.Do you know any other examples of light pollution?

......B.Mi:Besides the waste,light pollution may affect human health ad our sleep cycles

......C.Mi:Light pollution?Our teacher has just mentioned it in the lesson this morning.Why is too much light at night harmful?

.......D.Mi:And sometime we also have extra or unnceessary lights around the house

.....E.Nick:I enjoy Tet in Vietnam,Mi.But a lot of lights and posters along the streets may cause light pollution

......F.Nick:You're right,Mi.I think it is very wasteful because we use much more energy to light up the city or our home all day round

.......G.Nick:Because it may prevent us from seeing the stars and other planets

.......H.Nick:Yes,we can mention street lamps that shine in all directions,instead with a hood to point light downward the streets, or cities with lights all night long

1
14 tháng 1 2020

1. C

2. F

3. E

4. H

5. A

6. G

7. B

8. D

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....
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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.

1
7 tháng 3 2021

1-c;2-a;3-d;4-a;5-b;6-d;7-c

14 tháng 1 2020

28.We are unable to see the stars in the sky.Light pollution occurs(makes)

-> Light pollution makes us unable to see the stars in the sky.

29.Glass panels,windows,lawns and roofs make light pollution worse.They reflect both artificial and sun light(because)

-> Glass panels,windows,lawns and roofs make light pollution worse because they reflect both artificial and sun light.

30.All sounds are not noise.Noise is any sound that is unwanted and goes beyond its certain limit,for example,above 80 decibels

-> All sounds are not noise because noise is any sound that is unwanted and goes beyond its certain limit,for example,above 80 decibels

31.More and more noise is created by modern evilization.It has now become a major environmental pollutant,especially in urban areas

-> More and more noise is created by modern evilization; therefore, it has now become a major environmental pollutant,especially in urban areas.

32.Contamination in the air happens.There is acid rain which damages soil,vegetation and auatic life of the region(causes)

-> Contamination in the air causes acid rain which damages soil,vegetation and auatic life of the region.

33.Noise pollution is one of the major causes of stress and anxicty.People suffer from stress and anxiety.(because of)

-> People suffer from stress and anxiety because of noise pollution.

15 tháng 1 2020

28.We are unable to see the stars in the sky.Light pollution occurs(makes)

Light pollution makes us unable to see the stars in the sky.

29.Glass panels,windows,lawns and roofs make light pollution worse.They reflect both artificial and sun light(because)

Glass panels,windows,lawns and roofs make light pollution worse because they reflect both artificial and sun light.

30.All sounds are not noise.Noise is any sound that is unwanted and goes beyond its certain limit,for example,above 80 decibels

All sounds are not noise because noise is any sound that is unwanted and goes beyond its certain limit,for example,above 80 decibels

31.More and more noise is created by modern evilization.It has now become a major environmental pollutant,especially in urban areas

More and more noise is created by modern evilization; therefore, it has now become a major environmental pollutant,especially in urban areas.

32.Contamination in the air happens.There is acid rain which damages soil,vegetation and auatic life of the region(causes)

Contamination in the air causes acid rain which damages soil,vegetation and auatic life of the region.

33.Noise pollution is one of the major causes of stress and anxicty.People suffer from stress and anxiety.(because of)

People suffer from stress and anxiety because of noise pollution.

I. Write sentences with the cue words, using the past progressive tense. They/ play/ tennis/ 10.30 yesterday morning. Ann/ do/ homework/ 5 o’clock this afternoon. My father/ wash/ car/ from/ five to six. This time last year/ we/ live/ France. The students/ offer/ flowers/ the visitors. I/ cook/ dinner/ half an hour ago. She/ work/ the studio/ that time. What/ you/ do/ from 3 to 6 yesterday afternoon? I/ write/ my report/ 8 o’clock last night. II. Put the verbs into correct form: past...
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I. Write sentences with the cue words, using the past progressive tense.
They/ play/ tennis/ 10.30 yesterday morning.
Ann/ do/ homework/ 5 o’clock this afternoon.
My father/ wash/ car/ from/ five to six.
This time last year/ we/ live/ France.
The students/ offer/ flowers/ the visitors.
I/ cook/ dinner/ half an hour ago.
She/ work/ the studio/ that time.
What/ you/ do/ from 3 to 6 yesterday afternoon?
I/ write/ my report/ 8 o’clock last night.
II. Put the verbs into correct form: past progressive or past simple.
The doorbell (ring) ______ while Tom (watch) _______ television.
How fast _______ you _______ (drive) when the accident (happen) ______ ?
Anna and Susan (make) ______ dinner when Martin (arrive) ______ home.
The light (go) ______ out while we (have) ______ dinner. But it (come) ______ again after about ten minutes.
“What _______ you (do) ______ this time yesterday?” – I (work) ______ on the computer.”
It suddenly (begin) ______ rain while Laura (sit) ______ in the garden.
It (be) ______ cold when we (leave) ______ the house that day, and a light snow (fall) _______.
When I last (see) ______ them, they (try) ______ to find a new house near their work.
I (walk) _______ along the street when I suddenly (feel) ______ something hit me in the back. I (not/ know) _______ what it was.
When we (drive) _______ down the hill, a strange object (appear) _______ in the sky.
III. Complete the passage with the most suitable words.
Torquay is one of the (1) ______ popular holiday resorts in Britain. (2) ______ provides entertainment, sports of every kind, etc. You can (3) ______ at the hotels by the sea, or at a comfortable expensive (4) ______ houses. There (5) ______ camping sites, too. Torquay has large sandy beaches (6) ______ you can buy refreshments and hire (7) ______ to sit on. There are large areas of grass land and miles of cliff paths (8) ______ walkers.
IV. Read the passage, then answer the questions.
New York City is located in the southeastern part of New York State just east of New Jersey. The city was found by the Dutch in 1624. At first is called Fort Amsterdam, and then New Amsterdam. In 1664, the English took over the city and renamed it New York. With the population of more than 7 millions in the city and 19 million in the metropolitan region, New York is the largest city in the United States. It is divided into five parts, which are Manhattan, the Bronx, Brooklyn, Queens, and Staten Island. The total area of these parts is 946 square kilometers. Visitors to New York are all attracted by places such as the Statue of Liberty, the Empire State Building, Wall Street, and Broadway theater district. New York is also where tourists can visit some world famous art galleries and museums.
Where is New York City?
Why was New York originally called New Amsterdam?
When was it found?
What is its population?
How many parts are there in the city?
How big is it?
What are visitors to New York attracted by?

8
10 tháng 1 2018

III

Torquay is one of the (1) ____most_____ popular holiday resorts in Britain. (2) ___It_____ provides entertainment, sports of very kind, etc. You can (3) ____live____ at the hotels by the sea, or at comfortable but less expensive (4) ___than_____ houses. There (5) ___are_____ camping sites too. Torquay has large sandy beaches (6) ___where_____ you can buy refreshment and hire (7) ____chairs (ko chắc lắm)____ to sit on. There are areas of grass land and miles of cliff paths (8) ____for____ walkers.

10 tháng 1 2018

-Where is New York City ?

=> In the south of teh USA

- Why was New York originally called New Amsterdam?

=> Because it was founded by the Dutch .

- When was it found?

=>The city was found by the Dutch in 1624

-What is its population?

=> 26million

-How many parts are there in the city?

=> The city was named New York by the Dutch .

- What are visitors to New York attracted by?

=> Visitors to New York are all attracted by places such as the Statue of Liberty, the Empire State Building, Wall Street, and Broadway theater district.

NẾU NHƯ SAI THJ THUI NHA !!tẠI VÌ MK TỰ LÀM KO CHẮC ĐÂU ĐÓ NHEN!!!

III. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage. Light pollution is not (1) serious as water or air pollution. (2) , it is the type of pollution that (3) more in cities than in rural areas. In the past, we could sit out at night and (4) at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings, streets, advertising displays, many of which direct the lights...
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III. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Light pollution is not (1) serious as water or air pollution. (2) , it is the type of pollution that (3) more in cities than in rural areas. In the past, we could sit out at night and (4) at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings, streets, advertising displays, many of which direct the lights up into the sky and into many unwanted places. The real problem is that it is very (5) to apply light to almost everything at night. Millions of tons of oil and coal (6) to produce the power to light the sky. Eye strain, (7) of vision and stress are what people may get from light pollution. (8) light at night can harm our eyes and also harm the hormones that help us to see things properly.

1. A. as B. more C. much D. only

2. A. Moreover B. However C. Therefore D. Nevertheless

3. A. happen B. occur C. occurs D. is occurred

4. A. watch B. see C. spend D. gaze

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

6. A. used B. using C. is used D. are used

7. A. lose B. lost C. loss D. losing

8. A. Very much B. Too much C. Too many D. So many

1
12 tháng 2 2020

III. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Light pollution is not (1) serious as water or air pollution. (2) , it is the type of pollution that (3) more in cities than in rural areas. In the past, we could sit out at night and (4) at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings, streets, advertising displays, many of which direct the lights up into the sky and into many unwanted places. The real problem is that it is very (5) to apply light to almost everything at night. Millions of tons of oil and coal (6) to produce the power to light the sky. Eye strain, (7) of vision and stress are what people may get from light pollution. (8) light at night can harm our eyes and also harm the hormones that help us to see things properly.

1. A. as B. more C. much D. only

2. A. Moreover B. However C. Therefore D. Nevertheless

3. A. happen B. occur C. occurs D. is occurred

4. A. watch B. see C. spend D. gaze

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

6. A. used B. using C. is used D. are used

7. A. lose B. lost C. loss D. losing

8. A. Very much B. Too much C. Too many D. So many