TIẾNG ANH LỚP 11 GLOBAL SUCCESS Unit 5 exercises

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UNIT 5: GLOBAL WARMING – EXERCISES
Ex 1. Choose the word that has the stressed part pronounced differently from the others.
1. A.volunteer

B.represent

C.temperature

D.contribution

2. A.release

B.impact

C.produce

D.increase

3. A.heat-trapping B.pollutant

C. activity

D.consequence

4. A.deforestation B.carbon dioxide

C. atmosphere

D. characteristic

Ex 2. Choose the word or phrase A, B, C or D that best completes the sentence or substitutes
for the underlined word or phrase.
1. … is a gas in the atmosphere that traps heat above the earth.
A. emission

B. greenhouse gas

C. pollutants

D. global warming

2. A large amount of carbon dioxide ……. are released into the atmosphere by burning fossil
fuels.
A. emission

B. greenhouse gas

C. pollutants

D. global warming

3. Global warming is the increase in the Earth’s temperature due to certainly ....... in the
atmosphere.
A. causes

B. heat

C. gases

D. waste

4. Burnt for energy, fossil fuels …… large amounts of carbon dioxide into the atmosphere.
A. release

B. produce

C. remove

D. speed up

5. Carbon-dioxide is known as a greenhouse gas and its impact is called the …………….
A. heat-trapping pollutant

B. greenhouse effect

C.global warming D. climate change

6. The ………… of global warming become more serious and íts nagative affects on the
environment and people gets stronger and stronger each year.
A. information B. causes

C. consequences

D. impact

7. Deforestation is a big environmental problem , ……. changes in weather pattern like natural
diseases harm to society and community.
A. burning

B. removing

C. causing

D. bringing

8. When forests are cut down or burnt, they release the carbon stored in the trees into the
atmosphere as CO2.
A. effect

B. cause

C. solve

D. save

9. Methane is resposible for nearly one-third of curent warming from …… comes from farming
activities and landfill waste.
A. emissions

B. contribution

C. deforestation

D. human activities

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10. I believe that the only way for us to reduce global warming is to cut down on ……by turn off

unnecessary electronic devices.
A. carbon emission

B. methane emission

C. black carbon

D. energy use

11. There’s a ……. between the greenhouse gases release into the atmosphere and those remove
from it.
A. change

B. chance

C. balance

D. conference

12. These gases stop the sun’s heat from escaping back into space.
A. get away

B. run out of

C. catch up

D. go on

Ex 3. Rewrite the sentences using Present and Past Participle clause.
1. Because Richard knew she loved reading, he bought her a book.

……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
2. While he was standing in the line, he realized that he didn't have any money.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
3. The bomb exploded, which destroyed the building.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
4. The new policy starts in the new year, it bans cars in the city center.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
5. Linh has won 5 gold medals in the city level math competition, She makes her family very
proud.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
6. An unhappy chilhood influenced to Minh, then he grows up with a fear of safety.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
7. Tam was bitten by a neighbor's dog, She was hospitalized soon after.
……………………………………………………………………………………………………...
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……………………………………………………………………………………………………...
8. I start school in June, but I prepared everything long before.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
9. When I was taking a shower, I heard someone's phone ring.
……………………………………………………………………………………………………...

……………………………………………………………………………………………………...
10. When forests are cut down or burnt, they release the carbon stored in the trees into the
atmosphere as CO2.
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
Ex 4. Read the passage and answer the following questions.
Global warming, the rise in temperature around the earth's atmosphere, is one of the biggest
issues facing humans nowadays. The results of numerous studies show that global warming is
real. It is mainly man-made and its effects on people and nature are catastrophic.
The biggest cause of global warming is carbon dioxide (CO2) emissions from coal burning
power plants. When coal is burnt to make electricity, it releases a large amount of carbon dioxide
into the atmosphere. In the USA, about 40% of CO₂ emissions come fromelectricity production.
The second greatest source of CO, emissions is the burning of petrol for transport In the USA,
motor vehicles running on petrol are responsible for about 33% of CO, emissions. The situation
is getting worse as the demand for cars is increasing rapidly in the modern world. Another reason
for the temperature rise is the cutting down of forests for wood, paper or farming. Forests absorb
and capture CO, from the atmosphere. This process has been disrupted by the current alarming
rate of deforestation.
The worst effect of global warming is the rise in sea levels worldwide, which could make
millions of people lose their homes. Global warming also results in severe weather-related
natural disasters such as droughts and floods that can kill or injure large numbers of people.
Global warming with increasingly high temperatures can reduce crop harvests globally, which
may lead to famine. It is also predicted to have the worst impact on water supplies. Water
shortages are likely to delay economic growth and damage ecosystems. Another scary effect of
global warming is the disappearance of millions of species in the world. Widespread loss of
species is a matter of great concern for humans since we cannot exist without species diversity
on Earth.
It is important that people understand that human- caused global warming is happening and its
effects on us are serious. Everybody has to take some action now to reduce the risks.
1. Who is mainly responsible for global warming?

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……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
2. What happens when coal is burnt to make electricity?
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
3. How does deforestation contribute to global warming ?
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
4. What could happen to people when sea levels rise?
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
5. How can high temperatures affect crops?
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
6. Why is widespread loss of species a matter of great concern for humans?
……………………………………………………………………………………………………...
……………………………………………………………………………………………………...
Ex 5. Professor Linn is talking to a class of grade 11 students about global warming. Read to
the passage and choose the best answers.
Hi, everybody. In my talk today, I'll discusss global warming, and its causes and effects on our
lives. I hope you can all understand that it’s everyone's duty to help reduce global warming right
now.
You all know that global warming is the rise in the average temperature of the earth due to the
increase of greenhouse gases such as carbon dioxide, carbon monoxide, methane, and water
vapour. Climate scientists now believe that humans are mainly responsible for this. The burning
of fossil fuels such as coal, oil, and natural gas. and the cutting down of large areas of forests

have contributed to the emission of a large amount of harmful gases into the atmosphere in
recent years. The thick layer of these gases traps more heat from the sun, which leads to the
increase in the earth's temperature.
Global warming results in climate change and catastrophic weather patterns such as heat waves,
Hoods, droughts and storms, which can affect human lives. Hundreds of millions of people may
suffer from famine, water shortages, and extreme weather conditions if we do not reduce the rate
of global warming. This could also result in a 20-30% loss of animal and plant species.
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Being well-informed about the effects of global warming is the first important step towards
solving this problem. You'll be more willing to change your lifestyle if you understand the
impact of global warming. Moreover, you'll be able to inform others and inspire change.
1. Which of the following is NOT mentioned in the talk?
A. What global warming is.
B. What causes global warming.
C. The effects of global warming.
D. How to reduce global warming.
2. What is the main purpose of Prof. Linn's talk?
A. To make the students understand global warming.
B. To make the students understand that it is their duty to reduce global warming.
C. To make the students understand what 5 greenhouse gases are.
D. To make the students understand that global warming leads to catastrophic weather patterns.
3. How many sources of greenhouse gas emissions does Prof. Linn mention?
A. one

B. two

C. three

D. four

4. How many people may have to suffer from the effects of global warming?
A. A million people.
B. Hundreds of people.
C. Hundreds of millions of people.
D. 20-30% of the world's population.
5. According to the talk, what is the first step to take to help to reduce global warming?
A. To have a lot of information about the topic.
B. To change your lifestyle.
C. To inform others about the topic.
D. To inspire others to change.

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EX 4.
1. Humans/People/We are responsible.
(Con người chịu trách nhiệm cho việc này.)
2. It releases a large amount of carbon dioxide into the atmosphere.
(Một lượng lớn khí CO2 được xả ra trong khơng khí.)
3. Deforestation disrupts the process of absorbing and capturing CO2 from the atmosphere,
which causes the world’s temperature to rise.
(Nạn chặt phá rừng làm gián đoạn quá trình hấp thụ và lưu trữ khí CO2 từ trong khơng khí gây
nên sự gia tăng nhiệt độ trên toàn thế giới)
4. They could lose their homes.
(Họ có thể mất nhà.)
5. They can reduce crop harvests globally.

(Nhiệt độ cao có thể khiên mùa màng trên thế giới thất thu.)
6. Because humans cannot exist without species diversity on Earth.
(Bởi vì con người khơng thể tồn tại được nếu thiếu đi sự đa dạng loài trên Trái Đất.)

EX 5.
1.D

2.B

3.B

4.C

5.A

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