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DONG DANG HIGH SCHOOL ENGLISH TEST FOR GRADE 12
FOREIGN LANGUAGE GROUP TIME ALLOWANCE: 45'
Full name : class: Mark: ………………
Nội dung đề số 001
I. Choose the one whose underlined part is pronounced differently others.
01.A. hummock B. buffalo C. shrub D. dune
02.A. sandy B. geography C. society D. dry
03.A. each B. change C. which D. chemical
04.A. provided B. destroyed C. damaged D. endangered
II. Read the passage carefully and choose the correct answer.
Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that
supports only sparse vegetation and a limited population of people and animals. Deserts have been portrayed as
fascinating environments of adventure and exploration. These arid regions are called deserts because they are dry.
They may be hot. They may be cold. They may be regions of sand or vast areas of rocks with occasional plants.
Deserts are natural laboratories in which to study the interactions of wind and sometimes water on the arid surfaces
of planets. They contain valuable mineral deposits that were formed in the arid environment or that were exposed
by erosion. Because deserts are dry, they are ideal places for human artifacts and fossils to be preserved. Deserts
are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world.
There are many animals in the desert. Some are very large, like the kangaroo or the gazelle. Both are big and have
to travel long distances for water at a spring, or an oasis. Another fairly large animal is the addax. The addax is a
desert antelope. They live in the Sahara Desert. All addaxes are herbivores. There are less than 200 of them left
because of hunting and tourists. Some animals crawl along. Examples of these are snakes and lizards. Snakes
rarely drink water; they get their moisture from other prey that they eat. So do others, like the kangaroo rat. Lizards
are commonly found in the desert. They stay out of the sun and move as little as possible. There are also other
animals in the desert. The fennec lives in northern Africa in the Sahara Desert. They are a relative of the fox. They
eat mice, small birds, lizards, and insects. When necessary, they will eat fruit. One more desert animal is the
jerboa. The jerboa is a small, long distance jumper that lives in the desert. They are free drinking animals and they
eat plants, seeds, and bugs.
05. The word They refers to ________.
A. deserts B. Planets C. mineral deposits D. natural laboratories
06. According to the second paragraph, ________.

A. there are no erosion in deserts B.we should use desert land properly to avoid serious problems
C. Deserts are ideal places for growing land D. we can exploit as much fossil as possible in deserts
07. Which is not true about deserts?
A. hot B. dry C. arid D. humid
08. The last paragraph expresses that ________.
A. none of animals can survive in deserts
B. snakes in deserts need more water than any other species
C. hunting and tourists cause the decreasing of addaxes in the Sahara Desert.
D. addaxes are the most populous species in deserts
III. Choose one word that needs to correct by circle A,B,C or D
09. The film was so bored that all the audience had gone home before it ended.
A B C D
10. It rained very hardly; so we didn't go out that night.
A B C D
11. Desert is a large area of land that has very little water however very few plants growing on it.
A B C D
12. The police prevented the motorists from drive home drunk.
A B C D
IV. Choose the best option to complete these following sentences.
13. I am not deaf. You _______ shout.
A. needn't B. need C. mustn't D. must
14. I am afraid that the company is in deep trouble. ________, we are going to make some people redundant.
A. And B. But C. Therefore D. However
15. Chemical wastes from factories are _______ that cause serious damage to species habitats.
A. polluters B. pollutants C. Pollutions D. pollutes
16. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the
destruction of habitat by human activities.
A. a / the B. a/X C. X/the D. X/X
17. It is reported that humans are the main reason for most species' declines and habitat _______ and
degradation are the leading threats.

A. destruction B. destroy C. destructor D. destructive
18. We used to climb up the crest of the hill to get a good view of the surroundings.
A. face B. middle C. foot D. top
19. Contamination and global warming have driven many species of animals and plants _______ the threat of
extinction.
A. to B. with C. On D. for
20. I wanted to give him some money after he helped me with the car ______ he absolutely refused to accept it.
A. and so B. but C. so D. therefore
21. I went to buy a Rolling Stones CD ________ the shop didn't have it.
A. but B. So C. therefore D. and
22. A / an _______ species is a population of an organism which is at risk of becoming extinct.
A. endangered B. dangerous C. Endanger D. endangerment
23. World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity,
sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
A. contamination B. development C. energy D. extinction
24. A ________ is a large animal that lives in deserts and is used for carrying goods and people.
A. camel B. slope C. spinifex D. dune
25. The first part of the test was easy; the second, ________, took hours.
A. therefore B. so C. however D. But
26. _______ is the existence of a wide variety of plant and animal species living in their natural environment.
A. Biodiversity B. Globe C. Conservation D. Individual
27. They made an aerial survey; that is, they made a survey______.
A. by plane B. On foot C. By ship D. by telescope
28. I can’t find my book anywhere. I ……. have left it on the train. I am not sure.
A. Must B. needn’t C. should D. might
V. Fill in each numbered blank with one suitable word or phrase.
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future
because they have been (29) _____ to such low numbers. Approximately 90 percent of Hawaii's plants are found
nowhere else in the world but they are (30) _____ by alien invasive species such as feral goats, pigs, rodents and
non- (31) _____ plants.

The Hawaii Rare Plant Restoration Group is striving to (32) _____ the extinction of the 182 rare Hawaiian plants
with fewer than 50 individuals remaining in the (33) _____. Since 1990, (34) _____ a result of their 'Plant
Extinction Prevention Program', sixteen species have been brought into (35) _____ and three species have been
reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (36) _ plants in the
wild.
29. A. increased B. disappeared C. reduced D. developed
30. A. guarded B. conserved C. threatened D. invested
31. A. nation B. nationally C. native D. national
32. A. prevent B. influence C. stimulate D. encourage
33. A. hole B. atmosphere C. wild D. sky
34. A. as B. but C. due D. so
35. A. cultivation B. generation C. contamination D. production
36. A. vary B. protect C. remain D. derive
VI. Finish each of the following sentences in such a way that it means exactly the same as the sentences printed
before it.
37. “What are you doing now?” The girl asked him
A. The girl asked him what he is doing then. B. The girl asked him what she was doing then.
C. The girl asked him what he was doing then. D. The girl asked him what I was doing then.
38. They worked very hard in spite of their old age.
A. They worked very hard despite they are old. B. They worked very hard although they were old.
C. They worked very hard despite they were old D. They worked very hard although their old age.
39. John invented this machine 2 years ago.
A. This machine were invented by John 2 years ago
B. This machine is invented 2 years ago by John.
C. This machine was invented 2 years ago by John.
D. This machine was invented 2 years ago .
40. He couldn’t buy this new car because he did not have enough money.
A. If he had enough money, he could buy this new car.
B. If he had had enough money, he could have bought this new car.
C. If he had enough money, he could buy this new car.

D. If he has had enough money, he could have bought this new car.

DONG DANG HIGH SCHOOL ENGLISH TEST FOR GRADE 12
FOREIGN LANGUAGE GROUP TIME ALLOWANCE: 45'
Full name : class: Mark: ………………
Nội dung đề số 002
I. Choose the one whose underlined part is pronounced differently others.
01.A. sandy B. dry C. geography D. society
02.A. dune B. buffalo C. shrub D. hummock
03.A. change B. each C. chemical D. which
04.A. damaged B. provided C. destroyed D. endangered
II. Read the passage carefully and choose the correct answer.
Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that
supports only sparse vegetation and a limited population of people and animals. Deserts have been portrayed as
fascinating environments of adventure and exploration. These arid regions are called deserts because they are dry.
They may be hot. They may be cold. They may be regions of sand or vast areas of rocks with occasional plants.
Deserts are natural laboratories in which to study the interactions of wind and sometimes water on the arid surfaces
of planets. They contain valuable mineral deposits that were formed in the arid environment or that were exposed
by erosion. Because deserts are dry, they are ideal places for human artifacts and fossils to be preserved. Deserts
are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world.
There are many animals in the desert. Some are very large, like the kangaroo or the gazelle. Both are big and have
to travel long distances for water at a spring, or an oasis. Another fairly large animal is the addax. The addax is a
desert antelope. They live in the Sahara Desert. All addaxes are herbivores. There are less than 200 of them left
because of hunting and tourists. Some animals crawl along. Examples of these are snakes and lizards. Snakes
rarely drink water; they get their moisture from other prey that they eat. So do others, like the kangaroo rat. Lizards
are commonly found in the desert. They stay out of the sun and move as little as possible. There are also other
animals in the desert. The fennec lives in northern Africa in the Sahara Desert. They are a relative of the fox. They
eat mice, small birds, lizards, and insects. When necessary, they will eat fruit. One more desert animal is the
jerboa. The jerboa is a small, long distance jumper that lives in the desert. They are free drinking animals and they
eat plants, seeds, and bugs.

05. According to the second paragraph, ________.
A. we can exploit as much fossil as possible in deserts
B. there are no erosion in deserts
C. we should use desert land properly to avoid serious problems
D. Deserts are ideal places for growing land
06. Which is not true about deserts?
A. arid B. humid C. hot D. dry
07. The word They refers to ________.
A. deserts B. mineral deposits C. natural laboratories D. Planets
08. The last paragraph expresses that ________.
A. addaxes are the most populous species in deserts
B. none of animals can survive in deserts
C. hunting and tourists cause the decreasing of addaxes in the Sahara Desert.
D. snakes in deserts need more water than any other species
III. Choose one word that needs to correct by circle A,B,C or D
09. The police prevented the motorists from drive home drunk.
A B C D
10. The film was so bored that all the audience had gone home before it ended.
A B C D
11. Desert is a large area of land that has very little water however very few plants growing on it.
A B C D

12. It rained very hardly; so we didn't go out that night.
A B C D
IV. Fill in each numbered blank with one suitable word or phrase.
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future
because they have been (13) _____ to such low numbers. Approximately 90 percent of Hawaii's plants are found
nowhere else in the world but they are (14) _____ by alien invasive species such as feral goats, pigs, rodents and
non- (15) _____ plants.
The Hawaii Rare Plant Restoration Group is striving to (16) _____ the extinction of the 182 rare Hawaiian plants

with fewer than 50 individuals remaining in the (17) _____. Since 1990, (18) _____ a result of their 'Plant
Extinction Prevention Program', sixteen species have been brought into (19) _____ and three species have been
reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (20) _ plants in the
wild.
13. A. developed B. increased C. disappeared D. reduced
14. A. threatened B. conserved C. invested D. guarded
15. A. nationally B. national C. nation D. native
16. A. influence B. prevent C. stimulate D. encourage
17. A. atmosphere B. hole C. wild D. sky
18. A. but B. due C. as D. so
19. A. generation B. production C. contamination D. cultivation
20. A. protect B. remain C. derive D. vary
V. Choose the best option to complete these following sentences.
21. I can’t find my book anywhere. I ……. have left it on the train. I am not sure.
A. might B. should C. Must D. needn’t
22. World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity,
sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
A. energy B. development C. extinction D. contamination
23. I am afraid that the company is in deep trouble. ________, we are going to make some people redundant.
A. Therefore B. But C. And D. However
24. I went to buy a Rolling Stones CD ________ the shop didn't have it.
A. but B. and C. So D. therefore
25. A / an _______ species is a population of an organism which is at risk of becoming extinct.
A. dangerous B. endangerment C. endangered D. Endanger
26. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the
destruction of habitat by human activities.
A. a/X B. a / the C. X/the D. X/X
27. Contamination and global warming have driven many species of animals and plants _______ the threat of
extinction.
A. for B. with C. to D. On

28. I wanted to give him some money after he helped me with the car ______he absolutely refused to accept it.
A. but B. so C. and so D. therefore
29. _______ is the existence of a wide variety of plant and animal species living in their natural environment.
A. Globe B. Individual C. Conservation D. Biodiversity
30. It is reported that humans are the main reason for most species' declines and habitat _______ and
degradation are the leading threats.
A. destructor B. destructive C. destruction D. destroy
31. The first part of the test was easy; the second, ________, took hours.
A. however B. therefore C. so D. but
32. A ________ is a large animal that lives in deserts and is used for carrying goods and people.
A. camel B. spinifex C. slope D. dune
33. They made an aerial survey; that is, they made a survey______.
A. by plane B. on foot C. by telescope D. by ship
34. We used to climb up the crest of the hill to get a good view of the surroundings.
A. top B. middle C. foot D. Face
35. Chemical wastes from factories are _______ that cause serious damage to species habitats.
A. pollutes B. pollutions C. pollutants D. polluters
36. I am not deaf. You _______ shout.
A. must B. needn't C. need D. mustn't
VI. Finish each of the following sentences in such a way that it means exactly the same as the sentences printed
before it.
37. “What are you doing now?” The girl asked him
A. The girl asked him what he was doing then. B. The girl asked him what he is doing then.
C. The girl asked him what she was doing then. D. The girl asked him what I was doing then.
38. He couldn’t buy this new car because he did not have enough money.
A. If he had enough money, he could buy this new car.
B. If he has had enough money, he could have bought this new car.
C. If he had had enough money, he could have bought this new car.
D. If he had enough money, he could buy this new car.
39. They worked very hard in spite of their old age.

A. They worked very hard despite they were old.
B. They worked very hard although they were old.
C. They worked very hard although their old age.
D. They worked very hard despite they are old.
40. John invented this machine 2 years ago.
A. This machine was invented 2 years ago .
B. This machine is invented 2 years ago by John.
C. This machine were invented by John 2 years ago.
D. This machine was invented 2 years ago by John.
DONG DANG HIGH SCHOOL ENGLISH TEST FOR GRADE 12
FOREIGN LANGUAGE GROUP TIME ALLOWANCE: 45'
Full name : class: Mark: ………………
Nội dung đề số 003
I. Choose the one whose underlined part is pronounced differently others.
01.A. hummock B. shrub C. buffalo D. dune
02.A. each B. which C. chemical D. change
03.A. destroyed B. damaged C. provided D. endangered
04.A. society B. geography C. dry D. sandy
II. Choose the best option to complete these following sentences.
05. I can’t find my book anywhere. I ……. have left it on the train. I am not sure.
A. might B. needn’t C. must D. should
06. I went to buy a Rolling Stones CD ________ the shop didn't have it.
A. therefore B. but C. So D. and
07. I am afraid that the company is in deep trouble. ________, we are going to make some people redundant.
A. And B. However C. Therefore D. But
08. _______ is the existence of a wide variety of plant and animal species living in their natural environment.
A. Individual B. Conservation C. Biodiversity D. Globe
09. I wanted to give him some money after he helped me with the car ______he absolutely refused to accept it.
A. but B. so C. and so D. therefore
10. A / an _______ species is a population of an organism which is at risk of becoming extinct.

A. endangerment B. endangered C. dangerous D. Endanger
11. They made an aerial survey; that is, they made a survey______.
A. By ship B. On foot C. by telescope D. by plane
12. World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity,
sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
A. extinction B. development C. energy D. contamination
13. The first part of the test was easy; the second, ________, took hours.
A. however B. so C. therefore D. But
14. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the
destruction of habitat by human activities.
A. X/the B. a / the C. X/X D. a/X
15. We used to climb up the crest of the hill to get a good view of the surroundings.
A. top B. foot C. middle D. Face
16. Contamination and global warming have driven many species of animals and plants _______ the threat of
extinction.
A. for B. to C. with D. On
17. It is reported that humans are the main reason for most species' declines and habitat _______ and
degradation are the leading threats.
A. destruction B. destructive C. destroy D. destructor
18. A ________ is a large animal that lives in deserts and is used for carrying goods and people.
A. dune B. camel C. slope D. spinifex
19. Chemical wastes from factories are _______ that cause serious damage to species habitats.
A. pollutes B. pollutants C. polluters D. pollution
20. I am not deaf. You _______ shout.
A. needn't B. must C. need D. mustn't
III. Choose one word that needs to correct by circle A,B,C or D

21. Desert is a large area of land that has very little water however very few plants growing on it.
A B C D
22. The film was so bored that all the audience had gone home before it ended.

A B C D
23. It rained very hardly; so we didn't go out that night.
A B C D
24. The police prevented the motorists from drive home drunk.
A B C D

IV. Fill in each numbered blank with one suitable word or phrase.
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future
because they have been (25) _____ to such low numbers. Approximately 90 percent of Hawaii's plants are found
nowhere else in the world but they are (26) _____ by alien invasive species such as feral goats, pigs, rodents and
non- (27) _____ plants.
The Hawaii Rare Plant Restoration Group is striving to (28) _____ the extinction of the 182 rare Hawaiian plants
with fewer than 50 individuals remaining in the (29) _____. Since 1990, (30) _____ a result of their 'Plant
Extinction Prevention Program', sixteen species have been brought into (31) _____ and three species have been
reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (32) _ plants in the
wild.
25. A. increased B. disappeared C. developed D. reduced
26. A. threatened B. guarded C. invested D. conserved
27. A. native B. national C. nation D. nationally
28. A. stimulate B. encourage C. prevent D. influence
29. A. sky B. wild C. hole D. atmosphere
30. A. as B. but C. due D. so
31. A. production B. cultivation C. contamination D. generation
32. A. protect B. remain C. derive D. vary
V. Read the passage carefully and choose the correct answer.
Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that
supports only sparse vegetation and a limited population of people and animals. Deserts have been portrayed as
fascinating environments of adventure and exploration. These arid regions are called deserts because they are dry.
They may be hot. They may be cold. They may be regions of sand or vast areas of rocks with occasional plants.
Deserts are natural laboratories in which to study the interactions of wind and sometimes water on the arid surfaces

of planets. They contain valuable mineral deposits that were formed in the arid environment or that were exposed
by erosion. Because deserts are dry, they are ideal places for human artifacts and fossils to be preserved. Deserts
are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world.
There are many animals in the desert. Some are very large, like the kangaroo or the gazelle. Both are big and have
to travel long distances for water at a spring, or an oasis. Another fairly large animal is the addax. The addax is a
desert antelope. They live in the Sahara Desert. All addaxes are herbivores. There are less than 200 of them left
because of hunting and tourists. Some animals crawl along. Examples of these are snakes and lizards. Snakes
rarely drink water; they get their moisture from other prey that they eat. So do others, like the kangaroo rat. Lizards
are commonly found in the desert. They stay out of the sun and move as little as possible. There are also other
animals in the desert. The fennec lives in northern Africa in the Sahara Desert. They are a relative of the fox. They
eat mice, small birds, lizards, and insects. When necessary, they will eat fruit. One more desert animal is the
jerboa. The jerboa is a small, long distance jumper that lives in the desert. They are free drinking animals and they
eat plants, seeds, and bugs.
33. According to the second paragraph, ________.
A. we should use desert land properly to avoid serious problems
B. Deserts are ideal places for growing land
C. we can exploit as much fossil as possible in deserts
D. there are no erosion in deserts
34. Which is not true about deserts?
A. dry B. arid C. humid D. hot
35. The word They refers to ________.
A. natural laboratories B. Planets C. deserts D. mineral deposits
36. The last paragraph expresses that ________.
A. none of animals can survive in deserts
B. hunting and tourists cause the decreasing of addaxes in the Sahara Desert.
C. snakes in deserts need more water than any other species
D. addaxes are the most populous species in deserts
VI. Finish each of the following sentences in such a way that it means exactly the same as the sentences printed
before it.
37. They worked very hard in spite of their old age.

A. They worked very hard although they were old. B. They worked very hard despite they are old.
C. They worked very hard despite they were old. D. They worked very hard although their old age.
38. He couldn’t buy this new car because he did not have enough money.
A. If he has had enough money, he could have bought this new car.
B. If he had had enough money, he could have bought this new car.
C. If he had enough money, he could buy this new car.
D. If he had enough money, he could buy this new car.
39. John invented this machine 2 years ago.
A. This machine were invented by John 2 years ago.
B. This machine was invented 2 years ago by John.
C. This machine was invented 2 years ago .
D. This machine is invented 2 years ago by John.
40. “What are you doing now?” The girl asked him
A. The girl asked him what he was doing then.
B. The girl asked him what I was doing then.
C. The girl asked him what he is doing then.
D. The girl asked him what she was doing then.
DONG DANG HIGH SCHOOL ENGLISH TEST FOR GRADE 12
FOREIGN LANGUAGE GROUP TIME ALLOWANCE: 45'
Full name : class: Mark: ………………
Nội dung đề số 004
I. Choose the one whose underlined part is pronounced differently others.
01.A. geography B. sandy C. dry D. society
02.A. provided B. endangered C. destroyed D. damaged
03.A. each B. which C. chemical D. change
04.A. shrub B. hummock C. dune D. buffalo
II. Finish each of the following sentences in such a way that it means exactly the same as the sentences printed before
it.
05. John invented this machine 2 years ago.
A. This machine were invented by John 2 years ago.

B. This machine was invented 2 years ago by John.
C. This machine is invented 2 years ago by John.
D. This machine was invented 2 years ago .
06. “What are you doing now?” The girl asked him
A. The girl asked him what he was doing then.
B. The girl asked him what he is doing then.
C. The girl asked him what I was doing then.
D. The girl asked him what she was doing then.
07. He couldn’t buy this new car because he did not have enough money.
A. If he has had enough money, he could have bought this new car.
B. If he had enough money, he could buy this new car.
C. If he had had enough money, he could have bought this new car.
D. If he had enough money, he could buy this new car.
08. They worked very hard in spite of their old age.
A. They worked very hard although they were old.
B. They worked very hard although their old age.
C. They worked very hard despite they are old.
D. They worked very hard despite they were old.
III. Choose one word that needs to correct by circle A,B,C or D

09. The police prevented the motorists from drive home drunk.
A B C D
10. The film was so bored that all the audience had gone home before it ended.
A B C D
11. It rained very hardly; so we didn't go out that night.
A B C D
12. Desert is a large area of land that has very little water however very few plants growing on it.
A B C D
IV. Read the passage carefully and choose the correct answer.
Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that

supports only sparse vegetation and a limited population of people and animals. Deserts have been portrayed as
fascinating environments of adventure and exploration. These arid regions are called deserts because they are dry.
They may be hot. They may be cold. They may be regions of sand or vast areas of rocks with occasional plants.
Deserts are natural laboratories in which to study the interactions of wind and sometimes water on the arid surfaces
of planets. They contain valuable mineral deposits that were formed in the arid environment or that were exposed
by erosion. Because deserts are dry, they are ideal places for human artifacts and fossils to be preserved. Deserts
are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world.
There are many animals in the desert. Some are very large, like the kangaroo or the gazelle. Both are big and have
to travel long distances for water at a spring, or an oasis. Another fairly large animal is the addax. The addax is a
desert antelope. They live in the Sahara Desert. All addaxes are herbivores. There are less than 200 of them left
because of hunting and tourists. Some animals crawl along. Examples of these are snakes and lizards. Snakes
rarely drink water; they get their moisture from other prey that they eat. So do others, like the kangaroo rat. Lizards
are commonly found in the desert. They stay out of the sun and move as little as possible. There are also other
animals in the desert. The fennec lives in northern Africa in the Sahara Desert. They are a relative of the fox. They
eat mice, small birds, lizards, and insects. When necessary, they will eat fruit. One more desert animal is the
jerboa. The jerboa is a small, long distance jumper that lives in the desert. They are free drinking animals and they
eat plants, seeds, and bugs.
13. The word They refers to ________.
A. natural laboratories B. mineral deposits C. deserts D. Planets
14. According to the second paragraph, ________.
A. Deserts are ideal places for growing land
B. we should use desert land properly to avoid serious problems
C. we can exploit as much fossil as possible in deserts
D. there are no erosion in deserts
15. The last paragraph expresses that ________.
A. snakes in deserts need more water than any other species
B. none of animals can survive in deserts
C. addaxes are the most populous species in deserts
D. hunting and tourists cause the decreasing of addaxes in the Sahara Desert.
16. Which is not true about deserts?

A. hot B. arid C. dry D. humid
V. Choose the best option to complete these following sentences.
17. I can’t find my book anywhere. I ……. have left it on the train. I am not sure.
A. might B. must C. should D. needn’t
18. Contamination and global warming have driven many species of animals and plants _______ the threat of
extinction.
A. with B. On C. to D. for
19. They made an aerial survey; that is, they made a survey______.
A. by plane B. by telescope C. By ship D. On foot
20. We used to climb up the crest of the hill to get a good view of the surroundings.
A. middle B. foot C. Face D. top
21. A / an _______ species is a population of an organism which is at risk of becoming extinct.
A. endangered B. endangerment C. dangerous D. Endanger
22. I am afraid that the company is in deep trouble. ________, we are going to make some people redundant.
A. Therefore B. However C. And D. But
23. I am not deaf. You _______ shout.
A. needn't B. mustn't C. need D. must
24. I wanted to give him some money after he helped me with the car ______he absolutely refused to accept it.
A. but B. and so C. therefore D. so
25. It is reported that humans are the main reason for most species' declines and habitat _______ and
degradation are the leading threats.
A. destructor B. destruction C. destructive D. destroy
26. _______ is the existence of a wide variety of plant and animal species living in their natural environment.
A. Conservation B. Biodiversity C. Individual D. Globe
27. Chemical wastes from factories are _______ that cause serious damage to species habitats.
A. Pollutions B. pollutes C. polluters D. pollutants
28. The first part of the test was easy; the second, ________, took hours.
A. however B. so C. therefore D. But
29. A ________ is a large animal that lives in deserts and is used for carrying goods and people.
A. slope B. camel C. spinifex D. dune

30. I went to buy a Rolling Stones CD ________ the shop didn't have it.
A. therefore B. and C. but D. So
31. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the
destruction of habitat by human activities.
A. X/X B. a / the C. X/the D. a/X
32. World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity,
sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
A. energy B. extinction C. development D. contamination
VI. Fill in each numbered blank with one suitable word or phrase.
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future
because they have been (33) _____ to such low numbers. Approximately 90 percent of Hawaii's plants are found
nowhere else in the world but they are (34) _____ by alien invasive species such as feral goats, pigs, rodents and
non- (35) _____ plants.
The Hawaii Rare Plant Restoration Group is striving to (36) _____ the extinction of the 182 rare Hawaiian plants
with fewer than 50 individuals remaining in the (37) _____. Since 1990, (38) _____ a result of their 'Plant
Extinction Prevention Program', sixteen species have been brought into (39) _____ and three species have been
reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (40) _ plants in the
wild.
33. A. reduced B. developed C. disappeared D. increased
34. A. conserved B. guarded C. threatened D. invested
35. A. nationally B. national C. native D. nation
36. A. prevent B. influence C. encourage D. stimulate
37. A. wild B. atmosphere C. hole D. sky
38. A. as B. due C. but D. so
39. A. contamination B. production C. cultivation D. generation
40. A. protect B. vary C. derive D. remain
TN100 tổng hợp đáp án 4 đề ( kiem tra 45’ so 1 lop 12 HK2 Nam 2009 – 2010 )
Đáp án đề: 001
01. - - - ~ 11. - - } - 21. { - - - 31. - - } -
02. - - - ~ 12. - - } - 22. { - - - 32. { - - -

03. - - - ~ 13. { - - - 23. { - - - 33. - - } -
04. { - - - 14. - - } - 24. { - - - 34. { - - -
05. { - - - 15. - | - - 25. - - } - 35. { - - -
06. - | - - 16. { - - - 26. { - - - 36. - | - -
07. - - - ~ 17. { - - - 27. { - - - 37. - - } -
08. - - } - 18. - - - ~ 28. - - - ~ 38. - | - -
09. { - - - 19. { - - - 29. - - } - 39. - - } -
10. - | - - 20. - | - - 30. - - } - 40. - | - -
Đáp án đề: 002
01. - | - - 11. - - } - 21. { - - - 31. { - - -
02. { - - - 12. - | - - 22. - - - ~ 32. { - - -
03. - - } - 13. - - - ~ 23. { - - - 33. { - - -
04. - | - - 14. { - - - 24. { - - - 34. { - - -
05. - - } - 15. - - - ~ 25. - - } - 35. - - } -
06. - | - - 16. - | - - 26. - | - - 36. - | - -
07. { - - - 17. - - } - 27. - - } - 37. { - - -
08. - - } - 18. - - } - 28. { - - - 38. - - } -
09. - - } - 19. - - - ~ 29. - - - ~ 39. - | - -
10. { - - - 20. { - - - 30. - - } - 40. - - - ~
Đáp án đề: 003
01. - - - ~ 11. - - - ~ 21. - - } - 31. - | - -
02. - - } - 12. - - - ~ 22. { - - - 32. { - - -
03. - - } - 13. { - - - 23. - | - - 33. { - - -
04. - - } - 14. - | - - 24. - - } - 34. - - } -
05. { - - - 15. { - - - 25. - - - ~ 35. - - } -
06. - | - - 16. - | - - 26. { - - - 36. - | - -
07. - - } - 17. { - - - 27. { - - - 37. { - - -
08. - - } - 18. - | - - 28. - - } - 38. - | - -
09. { - - - 19. - | - - 29. - | - - 39. - | - -
10. - | - - 20. { - - - 30. { - - - 40. { - - -

Đáp án đề: 004
01. - - } - 11. - | - - 21. { - - - 31. - | - -
02. { - - - 12. - - } - 22. { - - - 32. - - - ~
03. - - } - 13. - - } - 23. { - - - 33. { - - -
04. - - } - 14. - | - - 24. { - - - 34. - - } -
05. - | - - 15. - - - ~ 25. - | - - 35. - - } -
06. { - - - 16. - - - ~ 26. - | - - 36. { - - -
07. - - } - 17. { - - - 27. - - - ~ 37. { - - -
08. { - - - 18. - - } - 28. { - - - 38. { - - -
09. - - } - 19. { - - - 29. - | - - 39. - - } -
10. { - - - 20. - - - ~ 30. - - } - 40. { - - -