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25 đề thi thử Tiếng Anh chuẩn cấu trúc bộ giáo dục có lời giải chi tiết(p9)
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25 đề thi thử Tiếng Anh chuẩn cấu trúc bộ giáo dục có lời giải chi tiết(p9)

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50 câu hỏi
1. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that is closest in meaning to the underlined part in each of the following questions.

Rose had no qualms about lying to her mother.

distress

respect

information

scruple

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2. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that is closest in meaning to the underlined part in each of the following questions

His impersonations were a source of considerable mirth

annoyance

glee

irony

mistrust

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3. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that is opposite in meaning to the underlined part in each of the following questions

“I was not lying," I shouted, for her brazen coolness provoked me

bashful

overexcited

noisy

heated

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4. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that is opposite in meaning to the underlined part in each of the following questions

Without demur, he accompanied the bad robber toward  the harbour

embrace

crude

boisterous

falter

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5. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.

vocabulary

influential

engineering

biological

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6. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions

referee

electrician

manufacture

immortal

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7. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

A paragraph is a portion of a text consists of one or more sentences related to the same idea.

paragraph

consists

sentences

related to

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8. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Tim and Tam should be encouraged to discuss analytically with the project that they are given

should be

to discuss

with

are given

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9. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Neither of the students know how to trap wild birds or how to cook them in the rainforest

of the

know

of

cook

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10. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

This passage probably appeared in which of the following?

A diet book

A book on basic nutrition

A cookbook

A popular women’s magazine

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11. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

The phrase “stored in” in lines 3 is closest in meaning to ________.

manufactured in

attached to

measured by

accumulated

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12. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

The author states that fats serve all of the following body functions EXCEPT to ________

promote a feeling of fullness

insulate and protect the body

provide energy

control weight gain

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13. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

According to the author of the passage, which of the following is true for rats when they are fed a fat free diet?

They stop growing

They have more babies

They lose body hair

They require less care

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14. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

Linoleic fatty acid is mentioned in the passage as ________.

an essential nutrient for humans

more useful than acid

prevent weight gain in rats

a nutrient found in most foods

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15. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans.

The phrase “these abnormalities” in line 11 refers to ________

a condition caused by fried foods

strategically located fat deposits

curves on the human female body

cessation of growth, bad skin, and damaged reproductive systems

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16. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 16.

In addition to providing energy, fats have several other functions in the body. The fat soluble vitamins, A, D, E, and K, are dissolved in fats, as their name implies. Good sources of these vitamins have high oil or fat content, and the vitamins are stored in the body’s fatty tissues. In the diet, fats cause food to remain longer in the stomach, this increasing the feeling of fullness for some time after a meal is eaten. Fats add variety, taste and texture to foods, which accounts for the popularity of fried foods. Fatty deposits in the body have an insulating and protective value. The curves of the human female body are due mostly to strategically located fat deposits.

Whether a certain amount of fat in the diet is essential to human health is not definitely known. When rats are fed a fat-free diet, their growth eventually ceases, their skin becomes inflamed and scaly, and their reproductive systems are damaged. Two fatty acids, linoleic and acids, prevent these abnormalities and hence are called essential fatty acids. They also are required by a number of other animals but their roles in human beings are debatable. Most nutritionists consider linoleic fatty acid an essential nutrient for humans

That humans should all have some fat in our diets is, according to the author

a commonly held view

not yet a proven fact

only true for women

proven to be true by experiments on rats

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17. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides - The Green Revolution regimen depend heavily on technology. One (17)________, however, depends much more on technology - organic farming. Many organic farmers use machinery, but (18) ________ chemical fertilizers or pesticides. (19) ________ chemical soil enrichers, they use animal manure and plant parts not used as food - natural, organic fertilizers that are clearly a renewable (20) ________. Organic farmers also use alternatives for pesticides; for example, they may rely (21) ________ natural predators of certain insect pests. Then, the need arises, they can buy the eggs and larvae of these natural predators and introduce them into their crop fields.

Điền câu 17

alternative

alternate

alteration

alternation

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18. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides - The Green Revolution regimen depend heavily on technology. One (17)________, however, depends much more on technology - organic farming. Many organic farmers use machinery, but (18) ________ chemical fertilizers or pesticides. (19) ________ chemical soil enrichers, they use animal manure and plant parts not used as food - natural, organic fertilizers that are clearly a renewable (20) ________. Organic farmers also use alternatives for pesticides; for example, they may rely (21) ________ natural predators of certain insect pests. Then, the need arises, they can buy the eggs and larvae of these natural predators and introduce them into their crop fields.

Điền câu 18

also

for

not

all

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19. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides - The Green Revolution regimen depend heavily on technology. One (17)________, however, depends much more on technology - organic farming. Many organic farmers use machinery, but (18) ________ chemical fertilizers or pesticides. (19) ________ chemical soil enrichers, they use animal manure and plant parts not used as food - natural, organic fertilizers that are clearly a renewable (20) ________. Organic farmers also use alternatives for pesticides; for example, they may rely (21) ________ natural predators of certain insect pests. Then, the need arises, they can buy the eggs and larvae of these natural predators and introduce them into their crop fields.

Điền câu 19

In spite of

On account of

In favour of

Instead of

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20. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides - The Green Revolution regimen depend heavily on technology. One (17)________, however, depends much more on technology - organic farming. Many organic farmers use machinery, but (18) ________ chemical fertilizers or pesticides. (19) ________ chemical soil enrichers, they use animal manure and plant parts not used as food - natural, organic fertilizers that are clearly a renewable (20) ________. Organic farmers also use alternatives for pesticides; for example, they may rely (21) ________ natural predators of certain insect pests. Then, the need arises, they can buy the eggs and larvae of these natural predators and introduce them into their crop fields.

Điền câu 20

resource

source

matter

substance

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21. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides - The Green Revolution regimen depend heavily on technology. One (17)________, however, depends much more on technology - organic farming. Many organic farmers use machinery, but (18) ________ chemical fertilizers or pesticides. (19) ________ chemical soil enrichers, they use animal manure and plant parts not used as food - natural, organic fertilizers that are clearly a renewable (20) ________. Organic farmers also use alternatives for pesticides; for example, they may rely (21) ________ natural predators of certain insect pests. Then, the need arises, they can buy the eggs and larvae of these natural predators and introduce them into their crop fields.

Điền câu 21

of

to

on

in

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22. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

What does the passage mainly discuss?

The economic impact of air pollution.

What constitutes an air pollutant.

How much harm air pollutants can cause.

The effects of compounds added to the atmosphere.

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23. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

It can be inferred from the first paragraph that ________.

water vapor is an air pollutant in localized areas

most air pollutants today can be seen or smelled

the definition of air pollution will continue to change

a substance becomes an air pollutant only in cities

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24. Tự luận
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

For which of the following reasons can natural pollutants play an important role in controlling air pollution?

Xem đáp án
25. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

According to the passage, human-generated air pollution in localized regions ________.

can be dwarfed by nature's output of pollutants

can overwhelm the natural system that removes pollutants

will damage areas outside of the localized regions

will react harmfully with natural pollutants

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26. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

The word “localized” in the third paragraph is closest in meaning to ________.

specified

circled

surrounded

encircled

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27. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

According to the passage, the numerical value of the concentration level of a substance is only useful if ________.

the other substances in the area are known

it is in a localized area

the natural level is also known

it can be calculated quickly

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28. Trắc nghiệm
1 điểmKhông giới hạn

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 22 to 28.

An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely. Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled - a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of the health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions.

Many of the more important air pollutants, such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentration of these pollutants was altered by various chemical reactions; they became components in biogeochemical cycles. These serve as an air purification scheme by allowing the compounds to move from the air to the water or soil. On a global basis, nature's output of these compounds dwarfs that resulting from human activities.

However, human production usually occurs in a localized area, such as a city. In such a region, human output may be dominant and may temporarily overload the natural purification scheme of the cycles. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact, the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, has a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm

Which of the following is best supported by the passage?

To effectively control pollution, local government should regularly review their air pollution laws.

One of the most important steps in preserving natural lands is to better enforce air pollution laws

Scientists should be consulted in order to establish uniform limits for all air pollutants

Human activities have been effective in reducing air pollution

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29. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

The old lady ________ somebody in the factory had stolen her golden necklet, but although the police searched everyone in the factory, it wasn’t found

impose

forced

claimed

warned

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30. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

As Tim was ________ of the modification in the schedule, he arrived an hour late for the meeting

unaware

unconscious

unable

unreasonable

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31. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

The best invention ________ this year was given to Tim

Reward

Brand

Factor

Award

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32. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

On my Mum’s birthday, the ________ family gathers for lunch, usually at my mother's house

mere

entire

total

complete

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33. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

When the first Vietnamese restaurants opened in Italy, it was very difficult to get fresh _______ of Vietnamese vegetables.

Contribution

materials

supplies

ingredients

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34. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

Tim finds mending old clothes incredibly _______, that's why he always asks his mother to do it for him.

hilarious

tedious

funny

recreational

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35. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

Rose solved her financial problem quite _______ as she happened to mention it to a friend of hers who had had the same problem and told her what to do

occasionally

Carefully

accidentally

attentively

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36. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

Lary is probably the best known and most successful Italia _______ in painting

pioneer

navigator

employer

volunteer

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37. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

My father often _______ our mistakes, whereas my teacher is very strict and disciplines us for even the slightest one

passes

abandon

escapes

overlooks

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38. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

When Tim worked at the factory, he found it hard to _______ out orders from his boss, but he soon got used to it

call

carry

miss

take

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39. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

After a year without any rain, the nation was facing one of the worst _______ in the last 60 years

draughts

floods

eruptions

droughts

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40. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

What I like about this company is that there is _______ parking space right outside it

plenty

ample

expanded

big

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41. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

. – “Thanks for the lovely party.” – “_______.”

Yes, it's really great

No, it's not good

Oh, that's right

I'm glad you enjoyed it

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42. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges

– “What do you usually do at weekend?” – “_______.”

I usually drive to work

I will sleep all day

I usually do not much

Nothing much. I always sleep until noon

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43. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

I had never met Rose before. However, I recognized her from a picture

Although I had never met Rose before, I recognized her from a picture.

I recognized her from a picture before I had never met Rose.

Although I had never met Rose before but I recognized her from a picture.

After I had met Rose, I recognized her from a picture.

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44. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

The human brain is 8 times the size of a monkey’s. It weighs about 1,400 grams

The size of human brain is 8 times that of a monkey’s which is about 1,400 grams weigh

The human brain, which weighs about 1,400 grams, is 8 times the size of a monkey’s.

The size of a monkey’s brain is 1,400 grams, 8 times that of the human one.

The weight of a monkey’s brain is 1,400 grams, 8-fold than that of the human one.

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45. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Tom has the ability to be a professional musician, but he’s too lazy to practice.

He is talented but he’ll never be a professional musician as he doesn’t practice.

As a professional musician Tom is not lazy to practice music lessons.

Tom is able to practice music lessons professionally though he is lazy.

Though practicing lazily, Tom is a professional musician

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46. Trắc nghiệm
1 điểmKhông giới hạn

Tim couldn’t battle in the final due 

Tim couldn’t battle in the final due to his broken arm.

If Tim hadn’t broken his arm, he could battle in the final now

If Tim didn’t break his arm, he could battle in the final.

But for his broken arm, Tim couldn’t have played in the final

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47. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

The teacher couldn’t stand my brother’s manner.

The teacher found my brother’s manner intolerant

The teacher found my brother’s manner intolerable

The teacher was tolerant towards my brother’s manner

My brother’s behavior was not manner

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48. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

The teacher couldn’t stand my brother’s manner.

Cultural values are diverse in different regions

There are different cultural values in one region

Cultural value modifications are based on regions

Cultural values move from one region to another.

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49. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined sound that is pronounced differently from the rest

slaughter

draught

naughty

author

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50. Trắc nghiệm
1 điểmKhông giới hạn

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined sound that is pronounced differently from the rest

but

bury

cut

young

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