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Tải Bài tập tiếng Anh 8 Unit 7 Pollution - Tiếng Anh lớp 8 Unit 7 Pollution| Bài tập Unit 7 SGK tiếng Anh 8 có đáp án

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<b>ÔN TẬP TIẾNG ANH LỚP 8 CHƯƠNG TRÌNH MỚI</b>


<b>UNIT 7: POLLUTION CĨ ĐÁP ÁN</b>



1. Find the word which has a different sound in the part underlined. Read the words
<b>aloud.</b>


1. A. algal B. aquatic C. contaminate D. permanent


2. A. thermal B. thankful c. there D. thorough


3. A. pollution B. earplug C. dump D. dust


4. A. untreated B. measure C. pleasure D. bread


5. A. physical B. visual C. music D. because


<i><b>Key: 1. D 2.C 3.A 4.A 5.B</b></i>


2. Find the word which has a different position of the main stress in each line.


1. A. affect B. pollute C. effect D. litter


2. A. cholera B. pollutant C. permanent D. groundwater


3. A. radiation B. political C. historical D. mntaminant


4. A. seriously B. measurement C. scientific D. logical


5. A. aquatic B. historic C. physical D. botanical


<i><b>Key: 1. D 2.B 3.A 4.C 5.C</b></i>



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1. The soil becomes _______________ because of the use of so many pesticides and
fertilizers. (contaminate)


2. _______________ waste spills can contaminate groundwater. (industry)
3. In many developing countries, water pollution is usually a leading cause of
________________. (die)


4. ____________ elements have been found in both ground and underground water sources.
(pollute)


5. Fish and many other animals are killed by ______________ in their habitat.(pollute)
6. Astronomers are concerned about light pollution because they have __________ in
viewing activities in the sky and outer space. (difficult)


<i><b>Key: 1. contaminated 2. Industrial 3. death </b></i>
<i><b>4. Polluted 5. pollutants 6. Difficulty</b></i>


<b>4. Rewrite the sentences, using the words in brackets. You can make some changes.</b>
1. There are asthma, allergies and other respiratory illnesses when air pollution happens.
(leads to)


__________________________________________________________________________
2. Aquatic life suffers or dies because there is thermal pollution. (because of)


__________________________________________________________________________
3. Water in the Cau River becomes brown and has terrible smell because the waste water is
released from the paper mill in Thai Nguyen City. (so)


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4. People use too much herbicide to treat weeds, so water in rivers, canals, lakes are


extremely polluted and has bad effects on people’s health. (because)


__________________________________________________________________________
5. Many fish in the river die due to the increased temperature of water. (because)


__________________________________________________________________________
6. Because plastic bags take so long to decompose, nearly all of them still exist in the


environment today. (so)


__________________________________________________________________________
7. We are unable to see the stars in the sky. Light pollution occurs. (makes)


__________________________________________________________________________
8. All sounds are not noise. Noise is any sound that is unwanted and goes beyond its certain
limit, for example, above 80 decibels. (because)


__________________________________________________________________________
9. More and more noise is created by modern civilization. It has now become a major


environmental pollutant, especially in urban areas. (so)


__________________________________________________________________________
10. Contamination in the air happens. There is acid rain which damages soil, vegetation and
aquatic life of the region. (causes)


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__________________________________________________________________________
<i><b>Key: 1. Air pollution leads to asthma, allergies and other respiratory illnesses.</b></i>


<i><b>2. Aquatic life suffers or dies because of thermal pollution.</b></i>



<i><b>3. The waste water is released from the paper mill in Thai Nguyen City, so water in the </b></i>
<i><b>Cau River becomes brown and has terrible smell.</b></i>


<i><b>4. Water in rivers, canals, lakes are extremely polluted and has bad effects on people’s </b></i>
<i><b>health because people use too much herbicide to treat weeds.</b></i>


<i><b>5. Many fish in the river die because the temperature of water increases.</b></i>


<i><b>6. Plastic bags take so long to decompose, so nearly all of them still exist in the </b></i>
<i><b>environment today.</b></i>


<i><b>7. The light pollution makes us be unable to see the stars in the sky. </b></i>


<i><b>8. All sounds are not noise because noise is any sound that is unwanted and goes beyond </b></i>
<i><b>its certain limit, for example, above 80 decibels.</b></i>


<i><b>9. More and more noise is created by modern civilization so it has now become a major </b></i>
<i><b>environmental pollutant, especially in urban areas.</b></i>


<i><b>10. Contamination in the air happening causes acid rain which damages oil, vegetation </b></i>
<i><b>and aquatic life of the region. </b></i>


<i><b>11. People suffer from stress and anxiety because of noise pollution. </b></i>
<b>5. Choose the best answers.</b>


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a. have/will b. have/ would buy C .had/will buy d. had/would buy
2,If………… I you ,I………… do that.


a.am/will b. were/would c. were/will d.had been/ would



3, If I were offered the job, I think I………… it.


a.take b.will take c.would take d.would have taken


4,I would be very surprised if he ………


a.refuses b.refused c.had refused d.would refuse


5,Many people would be out of work if that factory………… down.


a.closes b.had closed c.closed d.would close


6,If she sold her car, she ………… much money.


a.gets b.would get c.will get d.would have got


7,They would be disappointed if we ………


a.hadn’t come b.wouldn’t come c.don’t come d.didn’t come


8, Would John be angry if I ………… his bicycle without asking?


a.take b.took c.had taken d.would take


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a.will be b.would be c.were d.had been
10, If some one ………in here with a gun, I would be very frightened.


a.would walk b.walks c.had walked d.walked



11,What would happen if you………… to work tomorrow?


a.don’t go c.didn’t go c.won’t go d.wouldn’t go


12,We’ll get wet if we ………… out


a.go b.didn’t go c.won’t go d.wouldn’t go


13,If I go shopping,I ………… some food.


a.will tell b.will buy c.would buy d.would have bought


14, If I find it, I ………… you


a.will tell b.would tell c.had told d.told


15,What would you do if you ………… a million dollars?


a.would win b.win c.had won d.won


16,They’d be hurt if I ………


a.don’t go b.didn’t go c.hadn’t gone d.wouldn’t go


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a.would have arrived b.arrived c.will arrived d.would arrive
18, If I found a wallet in the street, I ………… take it to police.


a.will b.should c.would d.shall


19,I ………… that coat if I were you.



a.wouldn’t buy b.didn’t buy c.don’t buy d.won’t buy


20, If the weather ………… fine, we will go on a picnic.


a.is b.were c.would be d.will be


21,If he ………… harder, the result will be better.


a.worked b.works c.has worked d.will work


22,You won’t pass the examination ………… you study more.


a.as long as b.unless c.if d.whether


23, If only I…………you wanted to invest money in business.


a.had known b.knew c.have known d.know


24,If I were to leave my country, I ………… disappointed


a.probably be b.would have been c.will be d.would be


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a.helped b.would help c.help d.will help
26, If you listen to music, you can’t………… your study.


a.concentrate on b.interested in c.care about d.read about


<i>Key: 1. d 2. b 3. c 4. b 5. c 6. b 7. d 8. b 9. b 10. d 11. c 12. a 13. b 14. a 15. d 16. b 17. b </i>
<i>18. c 19. a 20. a 21. b 22. b 23. a 24. d 25. c 26. a</i>



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