Bài tập môn Tiếng Anh Lớp 8 Global Success - Unit 7: Environmental protection (Có đáp án)

 20 Permit n, v /pərˈmɪt/ Sự cho phép, cho phép
 21 Product n /ˈprɒdʌkt/ Sản phẩm
 22 Protect v /prəˈtekt/ Bảo vệ
 23 Release v /rɪli:s/ Giải phóng, thải ra
 24 Renewable source n, phr /rɪˈnjuːəbl sɔːrs/ Nguồn tái tạo
 25 Resident n /rezɪdənt/ Người dân
 26 Saola n /'saʊlə/ Kỳ lân châu Á
 27 Single-use adj /ˌsɪŋɡl ˈjuːs/ Để sử dụng một lần
 28 Slippery adj /ˈslɪpəri/ Trơn
 29 Species n /ˈspiːʃiːz/ Giống, loài
 30 Substance n /ˈsʌbstəns/ Chất
 31 Tornado n /tɔːrˈneɪdəʊ/ Lốc xoáy
 32 Toxic adj /ˈtɒksɪk/ Độc hại
 33 Wildlife n /'waɪldlaɪf/ Động vật hoang dã
B. PRONUNCIATION
 Phụ âm đôi bl (blank)
 /bl/
 Phụ âm đôi cl (cloud)
 /kl/
C. GRAMMAR
Complex sentences with adverb clauses of time (Câu phức chứa mệnh đề trạng ngữ chỉ thời gian)
Câu phức bao gồm một mệnh đề độc lập (mệnh đề chính) và ít nhất một mệnh đề phụ thuộc:
- Mệnh đề trạng ngữ là mệnh đề phụ thuộc
- Mệnh đề trạng ngữ thời gian diễn tả thời điểm xảy ra sự việc nào đó và thường chứa các liên từ nối 
thời gian đứng trước như: when (khi, vào lúc), while, as (trong khi), until / till (cho đến khi), as soon 
as, once (ngay khi), before, by the time (trước khi), after (sau khi), as long as, so long as (chừng nào, 
miễn là), since (từ khi)...
Example: I won’t leave until my friend arrives. 1. _________________________________ 2. _________________________________
 3. _________________________________ 4. _________________________________
 5. _________________________________ 6. _________________________________
 7. _________________________________ 8. _________________________________
 9. _________________________________ 10. _________________________________
Exercise 2. Circle the odd one out. 9. T-I-A-H-A-B-T I. to know that something exists, or having knowledge or 
 ______________________ experience of a particular thing
 10. I-V-D-A-O J. the gas formed when carbon is burned, or when people or 
 ______________________ animals breathe out.
Your answer:
 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
Exercise 4. Complete the sentences with the words in the box.
 footprint habitats substances effect endangered
 wildlife dioxide marine reduce diverse
1. We should ______________ the consumption of single-use products such as plastic bottles and bags.
2. The dugong is a(n) ______________ animal.
3. The ______________ animals are dying because of trash dumped into the ocean.
4. Air pollution has a harmful ______________ on our life.
5. The ecosystem in Con Dao National Park is very ______________ with thousands of species.
6. Do trees help absorb carbon ______________?
7. Walking and cycling are effective ways to reduce our carbon ______________.
8. Some toxic ______________ from factories are usually released into rivers.
9. A national park is a special area for the protection of the environment and ______________. 
10. ______________ of animals are damaged by human activities.
II. GRAMMAR
Exercise 1. Decide whether the following sentence is a Simple sentence (SS), a Compound sentence 
(C) or a Complex sentence (CS).
1. _____ You should wait here until she comes back.
2. _____ Protecting the environment must be the job of everyone in the community.
3. _____ The contamination of lakes, rivers, oceans or underwater causes water pollution.
4. _____ Water pollution has negative effects on the environment and humans, so it’s a matter of 
concern nowadays.
5. _____ Many species of wildlife are becoming extinct.
6. _____ If the factory continues dumping poison into the lake, all the fish and other aquatic animals 
will die. 1. When he came to my house, A. before she goes home.
 2. After I had had dinner, B. the electricity went out.
 3.1 will call you C. they were walking downtown.
 4. While we were watching TV, D. I was not at home.
 5. She will pick her children up E. when they work in the field.
 6. We will play golf F. as soon as I arrive at the airport.
 7. You have to show your ticket G. I usually listen to music.
 8. Farmers usually wear conical hats H. I went to the cinema.
 9. When I’m sad, I. when you get on the train.
 10. As they found the watch, J. until it gets dark.
Answer:
 1- 2- 3- 4- 5- 6- 7- 8- 9- 10-
1. _________________________________________________________________________________
2. _________________________________________________________________________________
3. _________________________________________________________________________________
4. _________________________________________________________________________________
5. _________________________________________________________________________________
6. _________________________________________________________________________________
7. _________________________________________________________________________________
8. _________________________________________________________________________________
9. _________________________________________________________________________________
10. ________________________________________________________________________________
Exercise 5. Put the conjunction in brackets into its correct position.
1. A serious road accident happened. We were waiting for the bus yesterday. (while)
_________________________________________________________________________________
2. I had to get the mop. 1 spilled my juice. (since)
_________________________________________________________________________________
3. He fell down the ladder. His leg was broken. (and)
_________________________________________________________________________________
4. We had picked up trash. We left the campsite. (before) 6. Forests help (release) _____________ oxygen.
7. I (not be) _____________ at school yesterday because I (have) _____________ the flu.
8. As soon as my parents arrive home, we (have) _____________ dinner.
9. Don’t forget (turn) _____________ off the lights before you (go) _____________ out.
10. More than 1 billion people (participate) _____________ in Earth Day activities every year.
Exercise 8. Complete sentences with a suitable preposition.
1. The first Earth Day started _______ 1970 ______ America.
2. Picking ______ litter makes our environment clean.
3. National parks play a key role ______ saving the environment.
4. What type of effect does water pollution have ______ our life?
5. Forests provide a habitat ______ hundreds of species ______ plants and animals.
6. Endangered animals in the wild are facing a high risk ______ extinction.
7. After cleaning ______ everything ______ the campsite, we left.
8. We shouldn’t cut ______ too many trees.
9. Avoid dumping waste ______ lakes and rivers!
10. Remember to turn ______ devices when you are not using them.
Exercise 9. Choose the correct answers.
1. Land pollution is responsible for damage done ___________ natural habitat of animals. 
A. with B. for C.to D. of
2. Americans throw ___________ twenty-eight and a half million tons of plastic in landfills every year. 
A. in B. at C.to D. away
3. Scientists have come up ___________ new ways of saving energy. 
A. with B. on C. to D. out
4. Thousands of people were exposed ___________ radiation when the nuclear plant exploded. 
A. in B. at C. to D. away
5. Waste water from many factories which is dumped ___________ water bodies directly causes water 
pollution. 
A. on B. into C. out D. by
6. ___________ fumes from these vehicles are serious air pollutants. 
A. Poisonously B. Poison C. Poisonous D. Poisons 20. The ___________ of air pollution are alarming. 
A. effective B. affect C. effect D. effects
Exercise 10. Find and correct the mistakes.
1. You should turn on devices while you are not using them. ___________
2. Don't throw rubbish on rivers and lakes. ___________
3. Polluted water is unsafe for drink. ___________
4. Cut down trees destroys a lot of wildlife habitats. ___________
5. Saolas are endangerous animals. ___________
6. Don’t come back until you will find a new job. ___________
7. When we finished our picnic, we clean up the site. ___________
8. People can cycle instead of walk to work. ___________
9. The park is also house to a lot of valuable kinds of woods. ___________
10. The ecosystem in Con Dao is very diversity. ___________
III. READING
Exercise 1. Read and fill in the blanks with the words given.
 from such when pollution health
Dwellers who live in urban areas in developing countries have to co-exist with many environmental 
issues frequently. Typically, they are forced to get acquainted with noise (1) ____________ that stems 
from heavy traffic flow, industrial buildings as well as annoying sounds of daily activities in the 
neighbourhood. This can lead to serious hearing loss and negative effects on people’s mental (2) 
____________. In addition, the poor sewage system and littering are the two major contributors to 
directly spoiling the citizens' quality of life and urban landscapes. In the rainy season, it might be a 
disaster (3) ____________ city streets are full of rubbish and water waste after pouring rain. Besides, 
smoke and exhaust fumes released (4) ____________ dozens of vehicles and factories result in air 
pollution in crowded residential areas. Furthermore, big cities are associated with the origin of new 
types of pollution (5) ____________ as light pollution and visual pollution, banning residents’ fitness 
and well-being.
Exercise 2. Read the passage, then tick True (T) or False (F).
 Air pollution is a serious problem in many cities. Motor vehicles, factories and other sources create 
so much air pollution that it may hang in the air like dirty fog. Air pollution threatens the health of the 
people who live in cities. City wastes cause water pollution when they are poured into the waterways. Second, we need to control the amount of water used at home. It can be conserved by taking short 
showers instead of baths, repairing leaky faucets, using the dishwasher orwashing machine only when 
fully loaded, or simply turning the faucet off while brushing your teeth.
Third, we need to reduce waste. We need to recycle whenever possible, but should also try to use this 
waste effectively. For example, grass clippings and food scraps can be made into compost for plants. 
The average person produces 4.3 pounds of waste every day, but we can reduce that amount by 
recycling and reusing.
If we do our part in our own homes, we can help keep the planet from becoming more polluted.
1. Pollution is caused from the following sources except ____________. 
A. water in rivers B. water from households 
C. wastes D. house chemicals
2. Recycling can help us ____________. 
A. never cut down trees B. produce more paper products
C. place garbage bins easily D. use products again and again
3. In order to save water, we can do all of the following things except ____________.
A. fully use the washing machine
B. repair leaky faucets
C. take short showers instead of baths
D. turn the faucet off while brushing your teeth
4. Recycling helps to reduce waste because ____________.
A. plants need to develop
B. waste can be recycled and reused
C. a person can do it in his home
D. an average man produces compost for plants
5. The word “It” in paragraph 2 refers to ____________. 
A. cutting down B. the number C. recycling D. effort
VI. WRITING
Exercise 1. Complete the sentences, using the words and phrases given. You can add some words and 
make changes.
1. Noise pollution/ any loud sounds/ either harmful or annoying/ humans and animals.
___________________________________________________________________________________ Exercise 2. Rewrite these following sentences based on the given words.
1. The noise from the music club is loud, so the residents of the street cannot sleep. (because of)
___________________________________________________________________________________
2. It’s good for us to protect endangered species. (should)
___________________________________________________________________________________
3. Con Dao National Park provides a rich habitat for marine life. (with)
___________________________________________________________________________________
4. What can we do to reduce our carbon footprint? (cut)
___________________________________________________________________________________
5. Global warming happens when there is too much carbon dioxide (CO,) in the atmosphere. (causes)
___________________________________________________________________________________
6. Constant exposure to noise pollution will lead to loss of hearing. (from)
___________________________________________________________________________________
7. The weather was bad. That's why our departure delayed. (so)
___________________________________________________________________________________
8. There was damage to our property because of the fire. (resulted in)
___________________________________________________________________________________
9. Thomas Edison kept trying. He made a successful light bulb. (until)
___________________________________________________________________________________
10. The road condition is poor. There have been several accidents. (Because)
___________________________________________________________________________________