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IX. Read the text carefully, then do the tasks. Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects. One of the most common traffic problems the large cities...
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IX. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number

and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or trafficjams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in citiesand also hurts the environment.

A. Match the words with their meanings. 1. rural​a. being too crowded or too full 2. noticeable​b. unable to move 3. congestion c. easy to see or recognize 4. traffic jam​d. in the countryside, not in the city 5. stuck​e. too many vehicles in one place prevents B. Choose the correct answers. 1. Where do traffic problems and pollution frequently happen? a. small towns b. rural areas​c. big cities​d. remote villages 2. According to the passage, what causes traffic congestion in big cities? a. A lot of city dwellers​b. Too many cars on the roads

c. Careless drivers​d. Less traffic signs on the streets

3. The high number of cars is caused by ​_ a. urban planning​b. traffic congestion

c. environmental pollution​d. the population

4. The highway and road network is ​of meeting the requirement of increasing number of vehicles.

a. full​b. aware​c. incapable​d. uncertain

5. Which of the followings is NOT true? 5. a. Only big cities have the problem of pollution. b. Traffic jams cause pollution c. Pollution is a major problem in big cities. d. Pollution causes health and environmental problems.
1
13 tháng 3 2021

A.1-d ; 2-c ; 3-a ; 4-e ; 5-b 

B.1-c ; 2-b ; 3-d ; 4-c ; 5-a

III. Read the text carefully, then do the tasks.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large cities...
Đọc tiếp

III. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

 

 

A. Match the words with their meanings.

1. rural a. being too crowded or too full

2. noticeable b. unable to move

3. congestion c. easy to see or recognize

4. traffic jam d. in the countryside, not in the city

5. stuck e. too many vehicles in one place prevents

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns b. rural areas c. big cities d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers b. Too many cars on the roads

c. Careless drivers d. Less traffic signs on the streets

3. The high number of cars is caused by_________

a. urban planning b. traffic congestion

c. environmental pollution d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full b. aware c. incapable d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

1
29 tháng 1 2022

A. Match the words with their meanings.

1. rural a. being too crowded or too full 

2. noticeable b. unable to move

3. congestion c. easy to see or recognize

4. traffic jam d. in the countryside, not in the city

5. stuck e. too many vehicles in one place prevents

D
2C
A
4E
B

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns b. rural areas c. big cities d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers b. Too many cars on the roads

c. Careless drivers d. Less traffic signs on the streets

3. The high number of cars is caused by_________

a. urban planning b. traffic congestion

c. environmental pollution d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full b. aware c. incapable d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

III. Read the text carefully, then do the tasks.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large cities...
Đọc tiếp

III. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

 

 

A. Match the words with their meanings.

1. rural a. being too crowded or too full

2. noticeable b. unable to move

3. congestion c. easy to see or recognize

4. traffic jam d. in the countryside, not in the city

5. stuck e. too many vehicles in one place prevents

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns b. rural areas c. big cities d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers b. Too many cars on the roads

c. Careless drivers d. Less traffic signs on the streets

3. The high number of cars is caused by_________

a. urban planning b. traffic congestion

c. environmental pollution d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full b. aware c. incapable d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

1
13 tháng 2 2022

A. Match the words with their meanings.

1 - D. rural a. being too crowded or too full

2 - C. noticeable b. unable to move

3 - A. congestion c. easy to see or recognize

4 - E. traffic jam d. in the countryside, not in the city

5 - B. stuck e. too many vehicles in one place prevents

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns b. rural areas c. big cities d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers b. Too many cars on the roads

c. Careless drivers d. Less traffic signs on the streets

3. The high number of cars is caused by_________

a. urban planning b. traffic congestion

c. environmental pollution d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full b. aware c. incapable d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

III. Read the text carefully, then do the tasks.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large cities...
Đọc tiếp

III. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

A. Match the words with their meanings.

1. rural a. being too crowded or too full

2. noticeable b. unable to move

3. congestion c. easy to see or recognize

4. traffic jam d. in the countryside, not in the city

5. stuck e. too many vehicles in one place prevents

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns b. rural areas c. big cities d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers b. Too many cars on the roads

c. Careless drivers d. Less traffic signs on the streets

3. The high number of cars is caused by_________

a. urban planning b. traffic congestion

c. environmental pollution d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full b. aware c. incapable d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

1
16 tháng 2 2022

A. 1D 2C 3A 4E 5B

B. 1C 2B 3D 4A 5C

VI. Read the text carefully, then do the tasks.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large cities have...
Đọc tiếp

VI. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the  population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

A. Match the words with their meanings.

1. rural                         a. being too crowded or too full

2. noticeable                b. unable to move

3. congestion               c. easy to see or recognize

4. traffic jam               d. in the countryside, not in the city

5. stuck                        e. too many vehicles in one place prevents

B. Choose the correct answers.

1. Where do traffic problems and pollution frequently happen?

a. small towns             b. rural areas                c. big cities                  d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers                      b. Too many cars on the roads

c. Careless drivers                               d. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

a. urban planning                                 b. traffic congestion

c. environmental pollution                  d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full                           b. aware                       c. incapable                 d. uncertain

5. Which of the followings is NOT true? 5.                  

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

1
13 tháng 2 2022

A,

1, D

2, C

3, A

4, E

5, B

B,

1, C

2, B

3, D

4, A

5, C

VI. Read the text carefully, then do the tasks.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course, traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large cities have...
Đọc tiếp

VI. Read the text carefully, then do the tasks.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course, traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

           When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problem. Pollution causes health problems for the people in cities and also hurts the environment.

 

      1. Where do traffic problems and pollution frequently happen?

                a. small towns              b. rural areas                  c. big cities                d. remote villages

      2. According to the passage, what causes traffic congestion in big cities?

                a. A lot of city dwellers               b. Too many cars on the roads

                c. Careless drivers                                    d. Less traffic signs on the streets

 

      3. The high number of cars is caused by_________ 

               a. urban planning      b. traffic congestion    c. environmental pollution   d. the population

      4. The highway and road network is ________ of meeting the requirement of increasing number

           of vehicles.

               a. full                          b. aware                          c. incapable                            d. uncertain

      5. Which of the followings is NOT true?

               a. Only big cities have the problem of pollution.   

               b. Traffic jams cause pollution

               c. Pollution is a major problem in big cities.

               d. Pollution causes health and environmental problems.

0
Read text carefully, and then choose the best answer:Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic problems the large...
Đọc tiếp

Read text carefully, and then choose the best answer:

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the  population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

1. Where do traffic problems and pollution frequently happen?

a. small towns                 b. rural areas                   c. big cities           d. remote villages

2. According to the passage, what causes traffic congestion in big cities?

a. A lot of city dwellers                      b. Too many cars on the roads

c. Careless drivers                               d. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

a. urban planning                                 b. traffic congestion

c. environmental pollution                  d. the population

4. The highway and road network is ________ of meeting the requirement of increasing number of vehicles.

a. full                               b. aware                          c. incapable           d. uncertain

5. Which of the followings is NOT true?

a. Only big cities have the problem of pollution.

b. Traffic jams cause pollution.

c. Pollution is a major problem in big cities.

d. Pollution causes health and environmental problems.

2
16 tháng 4 2022

1C

2B

3D

4C

5A

16 tháng 4 2022

1c

2b

3d

4c

5a

mình chẳng biết đúng hay sai đâu nhá

Exercise 11. Read the text and then choose the best answer A, B, C or D.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic...
Đọc tiếp

Exercise 11. Read the text and then choose the best answer A, B, C or D.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the  population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

1. Where do traffic problems and pollution frequently happen?

A. small towns                B. rural areas         C. big cities                     D. remote villages

2. According to the passage, what causes traffic congestion in big cities?

A. A lot of city dwellers                     B. Too many cars on the roads

C. Careless drivers                             D. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

A. urban planning                              B. traffic congestion

C. environmental pollution                 D. the population

4. Which of the followings is NOT true?

A. Only big cities have the problem of pollution.                                

B. Traffic jams cause pollution

C. Pollution is a major problem in big cities.                   

D. Pollution causes health and environmental problems

1
25 tháng 2 2022

1. Where do traffic problems and pollution frequently happen?

A. small towns                B. rural areas         C. big cities                     D. remote villages

2. According to the passage, what causes traffic congestion in big cities?

A. A lot of city dwellers                     B. Too many cars on the roads

C. Careless drivers                             D. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

A. urban planning                              B. traffic congestion

C. environmental pollution                 D. the population

4. Which of the followings is NOT true?

A. Only big cities have the problem of pollution.                                

B. Traffic jams cause pollution

C. Pollution is a major problem in big cities.                   

D. Pollution causes health and environmental problems

P/s: sai cho mình xl ;-;

Exercise 11. Read the text and then choose the best answer A, B, C or D.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic...
Đọc tiếp

Exercise 11. Read the text and then choose the best answer A, B, C or D.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the  population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

1. Where do traffic problems and pollution frequently happen?

A. small towns                B. rural areas         C. big cities           D. remote villages

2. According to the passage, what causes traffic congestion in big cities?

A. A lot of city dwellers                     B. Too many cars on the roads

C. Careless drivers                             D. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

A. urban planning                              B. traffic congestion

C. environmental pollution                 D. the population

5. Which of the followings is NOT true?

A. Only big cities have the problem of pollution.                                

B. Traffic jams cause pollution

C. Pollution is a major problem in big cities.                   

D. Pollution causes health and environmental problems.

Exercise 12. Choose the correct adjectives.

1.  I was (disappointing/disappointed) with the film. I had expected it to be better.

2.  Are you (interesting/interested) in football?

3.  The football match was very (exciting/excited). I enjoyed it.

4.  I didn’t find the film funny. I was not (exciting/excited).

5.  Why do you always look so (boring/bored)? Is your life really so (boring/bored)?

Exercise 13. Underline the mistakes and correct.

1.     Laura used to rode to school last year.                  

2.  While we were on holiday, we spending most of our time sightseeing.       

3. Paul listened to his iPod, so he didn’t hear the doorbell ring.                     

4. We watch the Titanic for two times.                                                   

5. Helen paint a picture for an hour.                                                          

1-

2-

3-

4-

5-

 

1

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the  population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

1. Where do traffic problems and pollution frequently happen?

A. small towns                B. rural areas         C. big cities           D. remote villages

2. According to the passage, what causes traffic congestion in big cities?

A. A lot of city dwellers                     B. Too many cars on the roads

C. Careless drivers                             D. Less traffic signs on the streets

3. The high number of cars is caused by_________ 

A. urban planning                              B. traffic congestion

C. environmental pollution                 D. the population

5. Which of the followings is NOT true?

A. Only big cities have the problem of pollution.                                

B. Traffic jams cause pollution

C. Pollution is a major problem in big cities.                   

D. Pollution causes health and environmental problems.

Exercise 12. Choose the correct adjectives.

1.  I was (disappointing/disappointed) with the film. I had expected it to be better.

2.  Are you (interesting/interested) in football?

3.  The football match was very (exciting/excited). I enjoyed it.

4.  I didn’t find the film funny. I was not (exciting/excited).

5.  Why do you always look so (boring/bored)? Is your life really so (boring/bored)?

Exercise 13. Underline the mistakes and correct.

1.     Laura used to rode to school last year.                  

2.  While we were on holiday, we spending most of our time sightseeing.       

3. Paul listened to his iPod, so he didn’t hear the doorbell ring.                     

4. We watch the Titanic for two times.                                                   

5. Helen paint a picture for an hour.                                                          

1 rode => ride

2 spending => spent

3 listening => was listening

4 watch => have watched

5 paint => painted

4 tháng 3 2022

cảm ơn nha

Read the passage and choose the best answer to each of the questions below.Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.One of the most common traffic...
Đọc tiếp

Read the passage and choose the best answer to each of the questions below.

Large cities often have problems that small towns and rural areas do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course. Traffic problems and pollution are not only found in big cities. However, the higher populations and larger number of cars on the roads in cities can make the problems happen more often and with more noticeable effects.

One of the most common traffic problems the large cities have is congestion. As the population of a city increases, so does the number of cars on the road. Cities cannot always improve the number and size of their roads and highways to keep up with the number of cars. The result is traffic congestion, or traffic jams.

When traffic jams happen, cars that are stuck in the congestion continue to run their engines. This creates pollution and is a big problems. Pollution causes health problems for the people in cities and also hurts the environment.

The high number of cars is caused by __________.

 

A.the population

B.urban planning

C.traffic congestion

D.environmental pollution

4
9 tháng 3 2022

The high number of cars is caused by __________.

 

A.the population

B.urban planning

C.traffic congestion

D.environmental pollution

Big cities often have problems that town and rural area do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course problems and pollution are not only found in big cities. However, the higher popylation and large number of vehicles on the roads in cities can make the problems happen more often with more noticeable effects. One of the most common traffic problems in big cities is congestinon. As the population of a city increases, and the number of...
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Big cities often have problems that town and rural area do not have. Two of the biggest problems are heavy traffic and the pollution that cars create. Of course problems and pollution are not only found in big cities. However, the higher popylation and large number of vehicles on the roads in cities can make the problems happen more often with more noticeable effects. One of the most common traffic problems in big cities is congestinon. As the population of a city increases, and the number of vehicles on the road does,too. Cities can't always improve the size of their roads anf highways to keep up with thw number of vehicles. That results in traffic congestion, or traffic jams. When traffic jams happen, vehicles that are stuck in the congestion continue to run their enginne. This creates pollution and it is a big problem. Pollution causes problems for the people in cities and also hurts the environment. 1. Where do traffic problems and pollition usually happen? 2. What are causes of the problems? 3. When traffic jams happen, why do they cause pollution? 4. Does pollution cause health problems?

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