Bài tập Tiếng Anh Lớp 8 Global Success - Unit 7: Environmental protection

 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. B. VOCABULARY
I. Name the pictures of greeting styles in the world. Use the phrases in the box.
1. plant a. endangered species
2. pick up b. trees
3. protect c. the lights
4. save d. our carbon footprint
5. build e. rubbish
6. turn off f. using single-use products
7. buy g. water
8. avoid h. littering
9. reduce i. green products
10. stop j. campfire
Answer:
1- 2- 3- 4- 5- 6- 7- 8- 9- 10-
II. Complete the sentences with the words in the box.
 endangered species littering air pollution plastic rubbish single-use
 habitat ecosystem carbon dioxide carbon footprint environment protection
1. __________________ is throwing garbage onto the ground instead of into a trash can.
2. A(n) __________________ is a type of organism that is threatened by extinction.
3. __________________ is the natural home or environment of an animal, plant, or other organism.
4. A(n) __________________ is a biological community of interacting organisms and their physical 
environment.
5. Energy conservation and __________________ are growing concerns in the world.
6. A(n) __________________ is an indicator that accounts for greenhouse gases emitted by human 
activity.
7. __________________ is Earth’s most important greenhouse gas: a gas that absorbs and radiates 
heat.
8. __________________ items are products designed to be used only once before they are discarded.
9. Cars, trucks, buses, off-road vehicles and planes are all considered mobile sources of 
____________. 4. Cuc Phuong ____________ Park is a famous tourist destination in Ninh Binh province. (Nation)
5. Chemicals or particles in the air can ____________ the health of humans, animals, and plants. 
(harmful)
6. It’s estimated that the global ____________ of the world’s ecosystem services equals $125 trillion 
annually. (valuable)
7. For many ____________, the world seems to be getting worse in their eyes. (environment)
8. Earth’s climate has remained continuously ____________ throughout 3 or 4 billion years. (habitat)
9. There should be ____________ of volunteers and active participation of young people in 
environmental protection. (encourage)
10. The five major air ____________ are carbon monoxide, hydrocarbons, nitrogen oxides, sulfur 
oxides, and airborne solid particles. (pollute)
C. GRAMMAR
I. Decide whether the underlined part is an independent clause (I) or a dependent clause (D).
1. As soon as there’s smoke, I start feeling bad. _____
2. The traffic conditions worsen until they are repaired. _____
3. We’ll update this post on our social media as soon as we finish it. _____
4. Harry met an old friend while he was vacationing in California. _____
5. Will we be able to address climate change before it is too late? _____
6. A man is in a critical condition after he is struck by lightning. _____
7. Only run your dishwasher or washing machine when it’s full. _____
8. Carbon Is released back into the atmosphere when plants and animals die. _____
9. You can get really creative when it comes to conserving water. _____
10. The firefighters will keep on searching till they find the last victim. _____
II. Match the clauses.
1. There may have been life on Mars a. after the tree is cut down.
2. As soon as the temperature increases and is b. before they release it to the environment?
above 0oC,
3. Greenhouse gases trap some of the planet’s c. until it underwent climate change.
heat
4. Unplug power cords from the wall d. the ice begins to melt. A. are - won’t stop B. will be - will stop 
C. were - won’t stop D. are – stopped
10. The greenhouse effect ____________ after energy from the sun ____________ through the 
earth’s atmosphere and ____________ its surface. 
A. occurred - goes - heats B. occurs - went – heats
C. occurs - goes - heated D. occurs - goes - heats
IV. Choose the underlined part that needs correcting.
1. Solar energy needs to be converted into electricity after we can use it. 
A. needs to be B. into C. after D. can use it 
2. Will the climate still be in warming state after greenhouse emissions stopped? 
A. still be B. warning C. after D. stopped 
3. When a species of plants or animals are in danger of extinction, it is gradually disappearing. 
A. When B. species C. are D. it 
4. Who is responsible when climate change harms the world’s the poorest countries? 
A. is B. when C. harms D. the poorest 
5. When fossil fuels are burnt, they released greenhouse gases - mostly carbon dioxide. 
A. When B. burnt C. released D. mostly 
6. We will contact the people in charge and will get back to you as soon as we could. 
A. will contact B. will get back C. as soon as D. could 
7. You will need to know your carbon footprint after you start reducing it. 
A. need to know B. after C. reducing D. it 
8. Technology has a long way to go before it could make a large impact in the atmosphere. 
A. has B. to go C. it could make D. in
9. As soon as the snow will melt, spring wildflowers push their way up through the leaf litter.
A. As soon as B. will melt C. push D. litter
10. Single-use plastic products are thrown away immediately until they have served their purpose. 
A. Single-use plastic B. away C. until D. their
D. SPEAKING
I. Rearrange the sentences to make a conversation.
___ Yes, it’s hot because it’s the beginning of summer. 8. I usually see people throw trash in the street, h. I would politely tell them not to do so if I were 
but I don’t know what to do then. you.
9. How can children help to save the earth? i. I just know that both of them are dangerous.
10. Look at the river! There are lots of dead fish. j. I’ll use them for my presentation on Earth Day.
Answer:
1- 2- 3- 4- 5- 6- 7- 8- 9- 10-
E. READING
I. Read the passage and decide whether the statements are TRUE (T) or FALSE (F).
Plastic bags cause many negative effects for US and the environment. No one knows exactly how 
many bags are littering the planet, but researchers estimate that 500 billion are used around the 
globe each year. It sounds interesting when we could get money in exchange for our plastic trash.
This happens at a company called the Plastic Bank. The Bank creates social and environmental impact 
in areas with high levels of poverty and plastic pollution by turning plastic waste into a currency. By 
exchanging plastic for money, they can stop plastic from polluting the environment and help people 
living in poverty to build their better future.
To do this, the Plastic Bank buy plastic waste at a high price so that they can encourage people to 
collect it. People can exchange plastic waste for money, items, or services. Plastic collected through 
the Bank is recycled and processed into new raw material feedstock, called Social Plastic, which can 
be purchased by manufacturers to produce more environmentally and socially ethical products. In this 
way, new opportunities are created for the world’s most disadvantaged communities and recycling 
becomes dignified work.
1. ____ Researchers can know exactly how many plastic bags are littering the planet.
2. ____ People could get money in exchange for their plastic trash at a company called the Plastic 
Bank.
3. ____ The Plastic Bank give money and plastic bags to the poor. 
4. ____ The Plastic Bank has good effects on people and the environment. 
5. ____ The Plastic Bank helps to stop plastic from polluting the environment.
6. ____ Manufacturers purchase plastic raw materials from many collectors. 
7. ____ Social Plastic is the material recycled and processed by Plastic Bank. 
8. The Plastic Bank creates nothing for disadvantaged communities, but dignified work. 7. The disaster passes. Then people will need money and determination to rebuild. (after)
__________________________________________________________________________________
8. Balloons are released into the air. They become deadly litter right after that. (as soon as)
__________________________________________________________________________________
II. Complete the second sentences so that it has a similar meaning to the first one.
1. The rivers and canals are dry because there are many dams in the upstream. 
 Due to
2. The ocean water became contaminated by liquid petroleum as a result of the oil spills. 
 Because of
3. Unless treated waste water is used and managed properly, health effects will occur. 
 If
4. People continue using plastic, there will be more plastic than fish in the ocean. 
 Unless
5. The reason why endangered species become extinct is that humans are careless and lack of 
knowledge. 
 Since
6. We can’t slow down climate change unless we stop using fossil fuels. 
 If
7. Let’s encourage our friends to use reusable bags instead of plastic ones. 
 Why 
8. It’s a good idea for the governments to punish the polluters with large fines. 
 The governments should
A. PHONETICS
I. Fill in the blanks with bl or cl to complete the words.
1. The sky was __ue and __ean.
2. We need to esta__ish a __ear objective.
3. The __ast from the bomb __ew out all the windows.
4. They __aim that their new drug can control __ood pressure.
5. Pu__ic conviction about the increase of natural disasters has de__ined. 1- 2- 3- 4- 5- 6- 7- 8- 9- 10-
II. Complete the sentences with the words in the box.
 endangered species littering air pollution plastic rubbish single-use
 habitat ecosystem carbon dioxide carbon footprint environment protection
1. __________________ is throwing garbage onto the ground instead of into a trash can.
2. A(n) __________________ is a type of organism that is threatened by extinction.
3. __________________ is the natural home or environment of an animal, plant, or other organism.
4. A(n) __________________ is a biological community of interacting organisms and their physical 
environment.
5. Energy conservation and __________________ are growing concerns in the world.
6. A(n) __________________ is an indicator that accounts for greenhouse gases emitted by human 
activity.
7. __________________ is Earth’s most important greenhouse gas: a gas that absorbs and radiates 
heat.
8. __________________ items are products designed to be used only once before they are discarded.
9. Cars, trucks, buses, off-road vehicles and planes are all considered mobile sources of 
____________.
10. __________________ such as plastic bag stays in the environment for many years after it has 
been used.
III. Choose the best answer to complete the sentences.
1. We should not only ____________ more trees but also put much more effort into protecting 
existing forests.
A. plant B. reduce C. stop D. cut down
2. Lead and aluminium are common ____________ that can be found in drinking water.
A. contamination B. contaminated C. contaminates D. contaminants
3. People all over the world are working to help save ____________ animals from extinction.
A. danger B. endangered C. dangerous D. dangerously
4. A(n) ____________ is the total amount of greenhouse gases that are generated by our actions.
A. carbon footprint B. carbon dioxide C. global warming D. ecosystem 
5. Some manufacturers offered incentives for return of batteries, so that they can ____________ or 
dispose of them safely. 1. As soon as there’s smoke, I start feeling bad. _____
2. The traffic conditions worsen until they are repaired. _____
3. We’ll update this post on our social media as soon as we finish it. _____
4. Harry met an old friend while he was vacationing in California. _____
5. Will we be able to address climate change before it is too late? _____
6. A man is in a critical condition after he is struck by lightning. _____
7. Only run your dishwasher or washing machine when it’s full. _____
8. Carbon Is released back into the atmosphere when plants and animals die. _____
9. You can get really creative when it comes to conserving water. _____
10. The firefighters will keep on searching till they find the last victim. _____
II. Match the clauses.
1. There may have been life on Mars a. after the tree is cut down.
2. As soon as the temperature increases and is b. before they release it to the environment?
above 0oC,
3. Greenhouse gases trap some of the planet’s c. until it underwent climate change.
heat
4. Unplug power cords from the wall d. the ice begins to melt.
5. How much time do humans have e. after tornadoes and storms strike the South.
6. Some tree species aggressively sprout from f. until global warming makes the planet 
the roots even unliveable?
7. Searches for victims continue a day g. until they are at risk of extinction.
8. A small action can make an enormous h. before it escapes into space.
difference
9. Do factories use filters to clean the air i. when millions of people do it.
10. Some species are not discovered j. when items aren’t in use.
Answer:
1- 2- 3- 4- 5- 6- 7- 8- 9- 10-
III. Choose the best answer to complete the sentences.
1. America says it ____________ until other countries ____________ more action. 
A. won’t act - took B. won’t act – take