Bài tập Tiếng anh 11 Unit 6: Global Warming có đáp án

Tải xuống 11 3.8 K 57

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UNIT 6 . GLOBAL WARMING

Bài 1: Complete the sentences with the perfect participle. Decide whether to use active or passive voice.

1.                                  (stop) the car, the police officer wanted to see the documents.

2.                                 (write) the test, we felt relieved

3.                                   (work) all day, we were quite exhausted in the evening.

4.                                   (send) to counter 20,1 had to return to counter 3.

5.                                   (confess), he was accused of even more criminal offences.

6.                                   (arrive) at the station, we called a taxi.

7.                                   (type) by the secretary, the letter was signed by the boss.

8.                                   (interrupt) several times, she was rather annoyed.

9.                                   (live) in Oxford for two years, she spoke English like a native speaker.

10.                                 (rescue), the injured man was taken to hospital.

 

Bài 2: Rewrite the sentences replacing the underlined part with a perfect participle.

1.  We switched off the lights before we went to bed.

……………………………………………………………..we went to bed.

2.  The boy asked his mother's permission and then went out to play.

……………………………………………………………..the boy went out to play.

3.  As he had drunk too much, he didn't drive home himself.

……………………………………………………………..he didn't drive home himself.

4.  We have written two tests today, so we are very exhausted.

………………………………………………………………..we are very exhausted.

5.  She filled the washing machine and switched it on.

…………………………………………………………she switched it on.

6.  She had been to the disco the night before and overslept in the morning.

……………………………………………………………….she overslept in the morning.

7.  We had worked in the garden all day and were sunburned in the evening.

……………………………………………………………….we were sunburned in the evening.

8.  She had not slept for two days and therefore wasn't able to concentrate.

……………………………………………………..she wasn't able to concentrate.

9.  Since I had not seen him for ages, I didn't recognize him.

…………………………………………………………….I didn't recognize him.

10.  I had not ridden a horse for a long time and found it very difficult to keep in the saddle

………………………………………………………..I found it very difficult to keep in the saddle.

 

Bài 3: Change the underlined part of the sentence into a participle clause.

1.  We are lying in the sun and we are enjoying life.

……………………………………………………….., we are enjoying life.

2.  The boy had brushed his teeth. He was allowed to watch a few more minutes of television.

……………………………………., the boy was allowed to watch a few more minutes of television.

3.  The children sat on their beds and watched the thunderstorm.

…………………………………………………………the children watched the thunderstorm.

4.  They were surprised by a sudden storm and had to seek shelter under a tree.

………………………………………………………., they had to seek shelter under a tree.

5.  When they had found the secret island, they started searching for the treasure.

…………………………………………………….., they started searching for the treasure.

 

Bài 4: Rewrite the sentences with participle clauses.

1.  Mary left school early because he felt sick.

->                                                                         

2.  The teacher was impressed by Michael's work, so she gave him the highest score.

->                                                                         

3.  Because he hadn't studied hard enough for his exam, Tom couldn't pass it.

->                                                                         

4.  As I haven't received all the applications yet, I am not eager to hire anyone.

->                                                                         


5.  The golden ring, which was stolen weeks ago, was found.

->                                                                         

6.  As I have an assignment to finish, I cannot come with you.

->                                                                        

7.  When my sister heard the good news, she wanted to cry.

->                                                                         

8.  Because I didn't want to lose my passport, I gave it to my father.

->                                                                         

9.  After he had been told to wash the dishes, David entered the kitchen with a frown.

->                                                                         

10.  As I had been to New York before, I knew where to find a good hotel.

->                                                                         

 

Bài 5: Rewrite the sentences beginning with an appropriate participle (present, past or perfect).

1.  When she saw the dog coming towards her, she quickly crossed the road.

2.  If it is looked after carefully, the plant can live through the winter.

3.  As I don't have a credit card, I found it difficult to book an airline ticket over the phone.

4.  Jim spent a lot of time filling in job application forms because he was unemployed.

5.  Because I was walking quickly, I soon caught up with her.

6.  The house was built of wood, so it was clearly a fire risk.

7.  I was eager to catch the bus in good time because I had been told off the day before for arriving late.

8.  She didn't know where the theater was, so she asked for directions at the hotel reception.

9.  As she was a nurse, she knew what to do after the accident.

10.  He had spent his childhood in Hue City so he knew the city well.

11.  The fruit was expensive because it was imported.

12.  We had spent nearly all our money so we couldn't afford to stay at a hotel.

13.  As we didn't want to offend him, we said nothing about his paintings.

14.  Although James is known mainly as a writer of novel, he has now written a successful biography.

15.  Although it had been hunted close to extinction, the rhino is once again common in this area.

Bài 6: Choose the best answer.

1.  He thought that such a trifle was not worth                      

A. being mentioned    B. having mentioned           C. mentioning            D. to be mentioned

 

2.  I'm surprised at your                       this book so quickly. How did you manage to do it?

A. being read        B. having read                        C. having been read       D. reading

 

3.  I thought of                       Tim for help, but then I decided to ask Linda.

A. asking                              B. having asked                   C. my asking                                             D. to ask

4.  The fear                      for what he had done made him run away.

A. being punished       B. of being punished                C. of punishing     D. to be punished

5.  This work should be no problem for him. He is used to                      it.

A. being done                      B. do                                    C. doing                                             D. having done

6.  She was tired. She didn't feel capable                      anything.

A. doing                               B. about doing                     C. fordoing                                             D. of doing

7.  He apologized in advance for                      to see us during our visit.

A. being not able   B. having been not able          C. not being able          D. not having been able

 

8.  It is no use                      it. He is not listening to you.

A. by repeating         B. in repeating                 C. of repeating     D. repeating

 

9.  We have no objection                      him.

A. for inviting                      B. of inviting                       C. to inviting                                             D. to invite


10.  I was reading a book when she burst into my room without                      

A. being seen         B. knocking                  C. saying goodbye      D. turning on the light

11                        for twelve hours, I felt marvelous.

A. Having slept         B. Have slept              C. Having been slept       D. Have been slept

12. By the time their baby arrives, the Smiths hope                      painting and decorating the new nursery.

A. having finished     B to have finished      C. having been finished        D. to have been finished

13. She's angry about                      to the farewell party last night

A. not having invited     B. not to have invited     C. not having been invited       D. not to have been invited

14. We decided not to travel,                       

A. having heard      B. to have heard        C. having been heard    D. to have been heard

15. I'd love                     to the party, but it was impossible.

A. having gone        B. to have gone          C. having been gone   D. to have been gone

16. I don't recall                     him at the conference.

A. having seen        B. to have seen                C. having been seen           D. to have been seen

17                      in dark colors, the room needed some bright lights.

A. Having painted       B. To have painted        C. Having been painted   D. To have been painted

18. The stockbroker denied                     of the secret business deal.

A. having informed     B. to have informed      C. having been informed  D. to have been informed

19. They now regret                     their son by providing too many material possessions.

A. having spoiled   B. to have spoiled         C. having been spoiled          D. to have been spoiled

20.                       to the party, we could hardly refuse to go.

A. Having invited     B. To have invited        C. Having been invited       D. To have been invited

 

21. Tom made a bad mistake at work, but his boss didn't fire him. He's lucky        a second chance.

 

A. having given     B. to have given         C. having been given    D. to have been given

22. Are you sure you told me? I don't recall                       about it.

A. having told      B. to have told        C. having been told         D. to have been told

 

Bài 7: Rewrite the sentences using participle clauses.

1.  Susan was lying in the sun. She got sunburned.

->                                                                                   

2.  Tim has just retired. He is now able to spend more time gardening.

->                                                                                   

3.  They bought their tickets and went to find a seat.

->                                                                                   

4.  The student sat in front of the computer and wrote his essay.

->                                                                                  

5.  Some people argue against school uniforms. They feel children should wear what they want to.

->                                                                                  

6.  Some students are disappointed in their progress at school. These students often do not go into further education.

->                                                                                   

7.  Children do not have the maturity to make every choice themselves. They need a parent or guardian to make decisions on their behalf.

->                                                                                   

8.  I didn't want to break the law. I called the police instead.

->                                                                                   

9.  John travelled overseas a lot as a teenager. He learns different cultures and customs.

->                                                                                   

 

Bài 8: Choose the best answer.

Complete the sentences with the correct form of the verbs in brackets.

1.  The missing children were last seen                       (play) near the river.

2.                         (complete) the book, he had a holiday.

3.                         (find) only in the Andes, the plant is used by local people to treat skin diseases.

4.  The accident seems                       (happen) at around 1.00 p.m yesterday.

5.  The shoes                       (make) in China is cheap.

6.  Last year I studied abroad. I appreciate                       (have) the opportunity to live and study in a foreign country.

7.                         (look) down from the hill, the town spread out before us towards the coast.

8.  Alex doesn't like to have her picture                       (take). She avoids                           (photograph).

9.  I don't agree with                       (smack) children if they do something wrong.

10.  The book                       (publish) last month is her first novel.

 

III. Choose the best answer A, B, C or D to complete the sentences.

1. Developed countries are responsible for 80% of the ____ carbon dioxide that is already in the atmosphere.

A. man-made              B. men-made              C. man-making           D. man-mades

2. The government must take ____ to cut vehicle emissions.

A. measures                B. repeat                      C. discover                  D. ban

3. They didn't forget ____ a short vacation in Cuc Phuong National Park last year.

A. being spent             B. having been spent C. to spend                  D. having spent

4. The effects of climate change on humans and nature are ____.

A. catastrophic            B. temperature            C. global                     D. risk

5. A layer of greenhouse gases – primarily water vapor, and carbon dioxide - acts as a ____ blanket for the Earth,

absorbing heat and warming the surface.

A. heat                        B. heating                    C. thermal                   D. hot

6. We admired the Japanese ____ the city of Fukushima after the disaster.

A. to being rebuilt       B. for having rebuilt   C. to rebuild                D. of having rebuilt

7. We need to preserve the ____ of wildlife because each species has an important role to play.

A. diversity                 B. various                    C. population              D. type

8. Most climate scientists agree the main cause of the current global warming trend is human expansion of the

greenhouse ____.

A. gas                          B. damage                   C. cause                      D. effect

9. ____ trees around the house on the south and west sides, they can save up to about $250 a year on cooling and

heating.

A. Having planted       B. Being planted         C. To plant                  D. To have planted

10. The increase in the earth's temperature can cause ____illness which can be dangerous to people.

A. heat-related            B. heat-relate              C. heat-relating           D. heated-relate

11. Certain ____ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.

A. gases                      B. layers                      C. effects                     D. emissions

12. Having developed green technologies with low-carbon emissions, ____ intends to get rid of coal.

A. that country            B. the communities     C. the effort                 D. the possibility

13. Carbon dioxide is one of the primary ____ gases that cause global warming.

A. greenhouse             B. house                      C. plant                       D. home

14. Carbon dioxide is released through ____ processes such as respiration and volcano eruptions and through ____

activities such as deforestation, land use change, and burning fossil fuels.

A. man-made              B. ordinary-man-made           C. human natural        D. natural-human

15. Vietnam has been named among the 12 countries most ____ for climate change by the World Bank.

A. at danger                B. in risk                     C. at risk                     D. ready

 

D. WRITING

I. Rewrite the sentences, using perfect gerunds.

1. Nam won a scholarship. We are excited about that fact.

→ We are ________________________________________________________________________

2. Entering the room, I was surprised at what I saw.

→ When _________________________________________________________________________

3. The volunteers couldn't mow the old lady's lawns because of the rain.

→ The rain prevented ________________________________________________________________

4. Since we have become too dependent on the use of electricity, we have to find alternative sources of energy

before fossil fuels run out.

→ Having ________________________________________________________________

5. Tonya had dumped a lot of rubbish on the beach. She was strongly criticised for that.

→ Tonya was __________________________________________________________

6. In the Tree Planting Competition, the students in Group 11G planted the most trees in the schoolyard. They were praised for that.

→ The students in __________________________________________________

7. After she replaced all the light bulbs in her house with LED lights, she same a lot of money on her electricity bills.

→ Having ______________________________________________________

8. Sam had not worked hard enough in his previous job. He regretted it.

→ Sam regretted __________________________________________________

9. Someone had cut down the oldest tree in the park. The police suspected Mike of doing it.

→ The police suspected ________________________________________

10. Since the farmers used too much chemical fertiliser on their farm, they now have to drink polluted water.

→ Having ____________________________________________________________________

11. Denis had taken an active part in the Green Summer activities. He was rewarded for that.

→ Denis was _______________________________________________________________

12. After the students had learnt about the benefits of recycling and reusing, they started collecting waste paper,

bottles, and cans to recycle and reuse.

→ Having ______________________________________________________________

 

II. Rewrite the sentences, using perfect gerunds.

1. David did his homework and they went to bed.

→ After having ________________________________________________________

2. It is easy for anyone to learn how to cook.

→ Learning ________________________________________________________

3. Tony had rescued the kids from the fire. People admired him for that.

→ People ____________________________________________________________

4. He had dumped lots of rubbish onto the beach. He denied it.

→ He denied ___________________________________________________________

5. After Ha had read some documents about Green Earth, she decided to join the organization.

→ Having ____________________________________________________________

6. I have seen him before. I remember that.

→ I ___________________________________________________________________

7. You had saved the lives of hundreds of wild animals. Thank you for that.

→ Thank you ________________________________________________________________

8. They had hunted and killed many wild animals. Later they regretted what they had done.

→ They regretted ____________________________________________________________

9. Since Mai had refused Nam's offer of a lift in his car, she had to walk home.

→ Having _________________________________________________________________

10. 'You've lied to us, the villagers said. The politician denied it.

→ The politician ____________________________________________________________

11. The factory had dumped tons of toxic waste into the river. It was heavily fined for that.

→ The factory ______________________________________________________________

12. Thanh had forgotten to turn off the gas cooker before he left his house. He admitted that.

→ Thanh admitted ___________________________________________________________

 

III. Rewrite the following sentences using Perfect Participle.

Ex:      We switched off the lights before we went to bed.

→ Having switched off the lights, we went to bed.

1. Zoe had practiced a lot, so she was sure of her winning in the competition.

__________________________________________________________________________________

2. The boy asked his mother's permission and then went out to play.

___________________________________________________________________________________

3. As he had drunk too much, he didn't drive home himself.

____________________________________________________________________________________

4. We have done two tests today, so we are exhausted.

_____________________________________________________________________________________

5. She filled the washing machine and switched it on.

______________________________________________________________________________________

6. She had been to disco the night before and she overslept in the morning.

_____________________________________________________________________________________

7. We had worked in the garden all day and were sunburned in the evening.

_____________________________________________________________________________________

8. She had not slept for two days and therefore she wasn't able to concentrate.

____________________________________________________________________________________

9. Since I had not seen him for ages, I didn’t recognize him.

______________________________________________________________________________________

10. I had not ridden a horse for a long time and I found it very difficult to sit on the saddle.

______________________________________________________________________________________

 

IV. Rewrite the following sentences using After or Before.

1. I told him off. Then I realized I was wrong.

→ After having told him off, I realized I was wrong.

2. I worked very hard for the exam. Then I passed it.

→ Before ________________________________________________________________________

3. First I considered what to study. Then I decided to major in Maths.

→ After __________________________________________________________________________

4. She wrote a letter. Then she went to bed.

→ After __________________________________________________________________________

5. He bought a radio. First he checked the price.

→ After __________________________________________________________________________

6. They argued. Then they fought.

→ After ________________________________________________________________________

7. She went out for a walk. Then she had a fatal accident.

→ Before ________________________________________________________________________

8. She decided to go away. First she faced the matter.

→ After ________________________________________________________________________

9. We read the book, then we wrote the assignment.

→ Before _________________________________________________________________________

10. She watched the film, then she wrote a report.

→ After __________________________________________________________________________

 

TEST YOURSELF

I. Find the word which has a different sound in the part underlined.

1. A. sale                     B. serve                       C. sure                         D. sort

2. A. age                      B. altogether               C. change                    D. college

3. A. mercury              B. mermaid                 C. merriment               D. servant

4. A. solar                   B. cost                         C. knowledge              D. impossible

5. A. appear                B. measure                  C. nuclear                    D. year

II. Choose the word which has a different stress pattern from the others.

1. A. commitee           B. scientific                 C. pagoda                    D. computer

2. A. lotion                  B. escape                     C. prefer                      D. review

3. A. commerce          B. consent                   C. access                     D. advent

4. A. mysterious          B. historical                C. heritage                  D. particular

5. A. discriminate       B. accurate                  C. transparent              D. benevolent

III. Choose the best answer A, B, C or D to complete the sentences.

1. Planting trees can contribute to reducing global warming as trees ____ and absorb CO in the air.

A. capture                   B. pasture                    C. calculate                 D. appear

2. A strong greenhouse effect will warm the ocean and partially melt glaciers, increasing ____.

A. sea level                 B. temperature            C. sea water                D. pollution

3. The next dry season will be extremely severe ____ further saltwater intrusion, water and rain shortages, and heat

waves.

A. due to                     B. thanks to                 C. because                   D. although

4. Climate change may lead to the extinction of many species and upset the ____ balance.

A. ecological               B. biology                   C. geography              D. technology

5. Ocean water also will expand if it warm, ____ further to sea level rise.

A. leading                   B. contributing            C. getting                    D. making

6. Methane is a far more active ____ than carbon dioxide, but also one which is much less abundant in the

atmosphere.

A. climate change       B. emission                 C. greenhouse gas       D. greenhouse effect

7. The government must take measures to cut ____ emissions.

A. vehicle                    B. transportation         C. transfer                   D. convert

8. The cleaning of land for agricultural, industry, and other human activities have increased ____ of greenhouse

gases.

A. lots                         B. collections              C. concentration          D. attention

9. The low ____ in the Mekong Delta leads to acute saline instruction much deeper than the traditional 30 to 40 km of

mainland that is contaminated with saltwater.

A. water level             B. salt water                C. water currents         D. sea level

10. Buying organic food is better for the environment because it uses less ____.

A. fertilizer                 B. fertilize                   C. fertilizes                 D. fertilized

11. Humans ____ atmospheric carbon dioxide concentration by a third since the Industrial Revolution began.

A. had increased         B. were increasing      C. Increase                  D. have increased

12. All of the disasters resulted from ____ will continue to have a devastating effect on socio-economic development.

A. ecological balance B. carbon footprint      C. floods                     D. climate change

13. The simplest way to reduce your ____ footprint is to cycle to school.

A. carbon                    B. chemical                 C. chemistry                D. dioxide

14. ____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

A. Being built             B. Having been built   C. To build                  D. Having built

15. Sea level rise is usually regarded as Vietnam's main ____: a one-meter rise would submerge 40 percent of the

country and make millions homeless.

A. concern                  B. disaster                   C. hope                        D. destruction

16. Replace all the light bulbs in your home with ____ bulbs.

A. energy-saving        B. energy-save            C. energy-saves          D. energy-saved

17. The public praised the local farmers for ____ millions of trees of the surrounding hills.

A. being planting        B. having planted        C. plant                       D. being planted

18. Leaving your DVD player on standby produces the same carbon ____ each year as the average person of

Burundi.

A. emissions               B. releases                   C. eruptions                D. appearance

 

IV. Choose the correct word in the box to complete the sentences.

capture            greenhouse                  illnesses                      ecological                   emissions

dioxide            balance                       catastrophic                climate                        energy

1. Carbon dioxide is one of the primary ___________________________ gases that cause global warming.

2. Deforestation is one of the biggest environmental threats to the _________________ balance in the world.

3. There are many ways for us to reduce our carbon _____________________ order to save our environment.

4. The effects of climate change on humans and nature are ___________________________.

5. I believe that the only way for us to reduce global warming is to cut down on ___________________ use.

6. Planting trees can contribute to reducing global warming as trees _____________ and absorb CO2 in the air.

7. As global temperature rise, there are more cases of heat-related ___________________________.

8. Motor vehicles running on petrol are responsible for a large amount of carbon dioxide _______________

9. Climate change may lead to the extinction of many species and upset the ecological ___________.

10. Although global warming is causing changes in weather patterns, it is only one aspect of ______

change.

 

V. Choose the word in the box to complete the text.

radiation         networks                      overall            flooding                      vulnerable

systems            throughout                  sensitive          increased                    urbanization

Global warming and cooling have occurred naturally (1) ___________________ history. But in the last 200 years, humans' uses of fossil fuels and clear cutting of forests have (2) ___________________ the amount of carbon dioxide and other gases in the atmosphere. These gases trap some of the (3) ___________________

from the sun which then increases the Earth's temperature. Given the current state of environmental pollution caused by human activities, scientists believe the average temperature of the earth may increase 1-2 degrees Celsius which put simply, means some places will get much hotter and some much colder. At the same time, this (4) ____________________ warming effect means more frequent and more intense weather systems, especially in terms of flooding and drought.

Vietnam is one of the most (5) ___________________ environments due to its location on the planet. It is already subject to some of the earth's most powerful weather systems and the increased frequency and intensity of storms will affect it often and directly, especially in coastal areas where most people live.

Various estimates have been made as to the possible impacts. The most directly affected sector will be agriculture, which is very (6) ___________________ to flooding and the effects of extreme weather.

Vietnam has the advantage of coming relatively late into the industrialization, (7) __________________, and modernization process. This means it can avoid many of the mistakes made by wealthier industrial countries. For example, wireless communication (8) ___________________ can be built from the start rather than installing lines that can be destroyed in extreme weather. Cities can be designed and located in less vulnerable locations. Climate-friendly building codes and standards can be created that are both more efficient and less prone to heat stress, wind damage, and (9) ___________________. Climate friendly transport (10) ___________________, especially public transport, can be adopted.

VI. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Global warming is primarily a problem of too much carbon dioxide in the atmosphere, (1) ____ acts as a blanket, trapping heat and the planet. (2) ____, the average surface temperature has increases more than one degree Fahrenheit since the late 1800s. Most of that increase has occurred over the past three decades.

We are overloading our atmosphere with carbon dioxide, which traps heat and steadily drives up the planet's temperature. Carbon dioxide comes from the fossil fuels we burn for energy, such as coal, natural gas, and oil, and the loss of forests due to (3) ____, especially in the tropics.

Within the scientific community, there is no debate. (4) ____ scientists agree that global (5) ____ is happening and that human activity is the primary cause.

Global warming is already having significant and costly effects- and these consequences will only intensify as the planet's temperature continues to rise. Global warming is accelerating the (6) ____ of sea level rise and dramatically increasing coastal flooding risk. Climate change has significant effects for our health, including increased air pollution and a longer and (7) ____ intense allergy season.

We must significantly reduce the heat-trapping (8) ____ we are putting into the atmosphere. As individuals, we can help by taking action to reduce our carbon footprint. Tropical deforestation accounts for about 10 percent of the world's heat trapping emissions. Reducing tropical deforestation can significantly lower global warming emissions and plays an integral role in a long-term solution to global warming.

Sometimes it is difficult to achieve meaningful (9) ____ to global warming because misinformation about the truth of global warming misleads and confuses the public and makes it more difficult to carry (10) ____ effective solutions.

1. A. that                     B. which                      C. who                        D. when

2. A. Global                B. Globaliness            C. Globally                 D. Globe

3. A. deforestation      B. culture                    C. relation                   D. afforestation

4. A. Most of               B. Mostly                    C. Most                       D. Almost

5. A. wrapping            B. proving                   C. offering                  D. warming

6. A. number               B. rate                         C. amount                   D. part

7. A. more                   B. few                         C. less                         D. little

8. A. inclusions           B. ceremony                C. emissions                D. creations

9. A. factor                  B. stories                     C. problems                D. solutions

10. A. out                    B. in                            C. on                           D. away

VII. Read a text about common wedding rituals in the USA and answer the questions that follow.

One of the factors in global warming is carbon monoxide. The more carbon monoxide in the atmosphere, the less the atmosphere is able to clean itself. The result is a warming of the atmosphere, the so-called global warming, and possibly ozone damage.

Earlier, it was found that carbon monoxide was concentrated in the Southern Hemisphere, and could be attributed to deforestation. Huge areas of forest and grasslands in South America and Africa have been burned, putting carbon monoxide into the atmosphere. Recently, however, the Southern Hemisphere has been found to be clean, while the Northern Hemisphere is more polluted than expected.

The latest research was done during the northern winter. The high levels in the Northern Hemisphere could be because of this. In winter carbon monoxide is destroyed more slowly. There are also more fires burned in winter, and possibly industrial processes work harder. It could also reflect the ever-increasing number of cars on the roads. Optimists hope that the reason why the North has overtaken the South as the major area of carbon monoxide is that at last the burning has stopped, or at least slowed down.

1. Which of the following is the best title for the passage?

A Global warming.                                                     B. Carbon monoxide in the atmosphere.

C. The warming of the atmosphere.                           D. Ozone damage.

2. Which of the following is NOT a reason for carbon dioxide?

A. Ozone damage.                                                      B. Burning of forest.

C. Traffic.                                                                   D. Industry.

3. According to the author which of the following is a reason why in winter there is more carbon-monoxide in the atmosphere?

A. Fewer factories are working.    B. There is a decrease in the amount of traffic on the roads.

C. Central heating means there are fewer fires nowadays.  D. Carbon monoxide is not absorbed so fast.

4. Why are the optimists happy?

A. People are buying more cars.          B. There is more carbon dioxide in the North.

C. They are possibly burning fewer forests in the Southern Hemisphere.

D. Industry must be doing better.

5. What is the attitude of the author towards the new findings?

A. He is biased in favor of the South.                        B. He is neutral.

C. He agrees with the optimists.                                 D. He is worried about the North.

VIII. Rewrite the following sentences using the words in the brackets

1. Having been told about the dangers of chemical fertilisers, they turned to bio - fertilisers. (Because)

________________________________________________________________________________________

2. Having spent the whole day cleaning up my room, I needed to take a shower and have a rest. (Because)

________________________________________________________________________________________

3. Having finished all my homework, I watched my favourite film on TV. (After)

________________________________________________________________________________________

4. Having watched the documentary about wildlife, I made a donation to an environmental society. (After) ________________________________________________________________________________________

5. Having read the stories about people who reduced their carbon footprint, we started to change our daily consumption habits. (After)

________________________________________________________________________________________

6. Having eaten my evening meal, I decided to go for a walk. (After)

________________________________________________________________________________________

7. Having managed water resources irresponsibly, the authorities had to deal with water shortages in the region. (Since)

________________________________________________________________________________________

 

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nhuquynh

nhuquynh

2023-04-23 15:40:19
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