6. The natural environment in which a plant or an animal lives is called
A. habitat
B. ecosystem
C. wildlife
D. climate change
7. consists of all the plants and animals in an area and the way they affect each other and
the environment.
C. Wildlife
D. Biodiversity
A. Habitat
B. Ecosystem
the environment.
8. A lot of human activities have an impact
D. on
C. about
A. for
B. to
9. The natural condition in which animals and plants grow is called
D. park
A. wildlife
C. habitat
B. ecosystem
10. is destroying large areas of forests by people.
D. Reforestation
A. Afforestation
B. Deforestation
C. Forestry
11. A new series of
programmes shows the importance of biodiversity to humans.
A. education
B. educate
C. educational
D. educator
such as floods or heatwaves.
12. Global warming can cause extreme
D. condition
C. problems
A. weather
B. nature
the natural balance of the ecosystem.
13. When many animals disappear, this
D. bans
A. improves
B. damages
C. discourages
14. Gas
from private vehicles leads to air pollution.
A. escape
B. production
C. transportation
D. emission
to one of the most serious problems - air
15. The students had a presentation on the pollution.
A. solve
B. solvable
C. solutions
D. solving
Fill in the blanks with suitable prepositions
1. You should start with small actions before coming up
big ideas that need a lot of effort
or money to succeed.
2. My teacher guided me to do some research
environmental protection.
3. Biodiversity is important because plants and animals depend
each other to survive.
4. Countries need to work together to deal
global issues.
5. Scientists said that the burning of coal leads
air pollution.
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
1. When these harmless gases combine with the water in the air, they come down as rain
B
or snow, which can damage all forms of life.
C
2. The imbalance of the ecosystem can cause to the disappearance of living.
A
B
C
D
3. Phong said he handed in the project yesterday.
D
C
4. Pollution can have serious effects for the balance of the ecosystem.

Question

Accepted Answer

1. 6. A. habitat
2. 7. B. ecosystem
3. 8. B. to
4. 9. C. habitat
5. 10. B. Deforestation
6. 11. C. educational
7. 12. A. weather
8. 13. B. damages
9. 14. D. emission
10. 15. D. solving

Here are the answers with suitable prepositions filled in the blanks:

1. You should start with small actions before coming up **with** big ideas that need a lot of effort or money to succeed.
2. My teacher guided me **in** doing some research on environmental protection.
3. Biodiversity is important because plants and animals depend **on** each other to survive.
4. Countries need to work **together** to deal **with** global issues.
5. Scientists said that the burning of coal leads **to** air pollution.

1. B (The underlined part is "damage all forms of life." A more suitable phrase would be "damage all forms of plant and animal life.")
 
 Corrected sentence: When these harmless gases combine with the water in the air, they come down as rain or snow, which can damage all forms of plant and animal life.

2. C (The underlined part is "cause to the disappearance." A more suitable phrase would be "lead to the disappearance.")

Corrected sentence: The imbalance of the ecosystem can lead to the disappearance of living things.

3. A (The underlined part is "Phong said he handed in the project yesterday." This sentence is in the simple past tense. Since it is a reported action, the verb tense should be changed to the past perfect tense.)

Corrected sentence: Phong said he had handed in the project yesterday.

4. C (The underlined part is "have serious effects for." A more suitable phrase would be "have serious effects on.")

Corrected sentence: Pollution can have serious effects on the balance of the ecosystem.

6. The natural environment in which a plant or an animal lives is called A. habitat B. ecosystem C. wildlife D. climate change 7. consists of all the plants and animals in an area and the way they affe...