UNIT 4 VOCABULARY AND GRAMMAR, THE BRAILLE ALPHABET HAS BEEN ONE OF THE GREATEST

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Part I. PHONETICS

Exercise 1. Mark the letter A, B, c, or D to lớn indicate the word whose underlined part differs from the other three in pronunciaííon in each of the following questions.

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1. A. DeafeningB. FrighteningC. HappeningD. Threatening
2. A. SecondaryB. ComplimentaryC. VocabularyD. Supplementary
3. A. IdiotB. IdeaC. IdolD. Ideal
4. A. PoliceB. PolicyC. PoliteD. Pollute
5. A. PreferableB. PreferenceC. PreterablyD. Preferential

Exercise 2. Mark the letter A, B, c, or D to lớn indicate the word that differs from the other three in the position of primary áp lực in each of the following questions.

6. A. disrespectfulB. independentC. physicallyD. Understanding
7. A. donateB. impairC. MentalD. support
8. A. campaignityB. HearingC. sloganD. Talen
9. A. CommunityB. EnergeticC. EnthusiastD. participate
10. A. CognitiveB. VolunteerC. MedicalD. Physical

⇒ Xem giải đáp phần I tại đây

Part II. VOCABULARY

Exercise 3. Mark the letter A, B, C, or D khổng lồ indicate the correct answer lớn each of the following questions.

11. The Braille alphabet has been one of the greatest_____in human historty.


A. Invention B. Inventions C. Inventors D. Inventive

12. Everyone can help the needy by marking a ____to a charity organisation.

A. Donate B. Donation C. Doner D. Donating

13. We couldn’t hear anything because of the ______noise of the drums the next-door neighbours were playing.

A. Deaf B. Deafen C. Deafening D. Deafness

14. ______ believe that some of the happiest people in the world are those who help lớn bring happiness khổng lồ others.

A. Voluntary B. Voluntarily C. Volunteer D. Volunteers

15. During summer holidays, university students are willing khổng lồ take part in

providing education for children in remote và ______ areas.

A. Mountain B. Mountainous C. Mountaineer D. Mountaineering

16. People with disabilities always need khổng lồ be ________ after.

A. Asked B. Cared C. Looked D. Taken

17. The lottery winner was willing khổng lồ spend a considerable sum of money to_____ lớn charity khổng lồ help those in need.

A. Give away B. Give in C. Give back D. Give up

18. The volunteer team _______ students with various visual, hearing, physical and

cognitive impairments everỵ two months to give them both fínancial và spiritual support.

A. Hotline back B. Call off C. Hotline on D. Call out

19. If one wants khổng lồ take part in volunteer organisations such as Green Summer Camp, Green Saturday Movement, Blood Donor…, he/she will have to______ an application form.

A. Fill in B. Find out C. Log on D. Send off

20. An organisation for Educational Development co-operated with our school to ______ không tính phí English classes for the poor in the area.

A. Put away B. Put off C. Mix off D. Set up

21. Children with cognitive impairments may have ______ in learriing basic skills

like reading, writing, or problem solving.

A. Ability B. Determination C. Difficulty D. Refusal

22. After the visit to that special school, we________ friends with some students with

reading disabilities.

A. Acquainted B. Had C. Tnade D. Realised

23. The Convention for the Rights of Persons with Disabilities came into _______ on 3rd May 2008.

A. Kích hoạt B. Force C. Truth D. Reality

24. Elderly housebound patients are often those most in ________ of pharmacy

services.

A. Case B. Need C. Time D. Trouble

25. The Youth Union in our school has decided lớn launch a/an ________ lớn raise

funds for local charities.

A. Activity B. Announcement C. Chiến dịch D. Decision

26. Many experts believe that noise is the main cause of approximately half of all

cases of ______ loss.

A. Cognitive B. Hearing C. Mental D. Visual

27. Allowing yơur child khổng lồ get involved in_________ activities at school is a wise

choice to develop team-working skills, people skills, và more.

A. Academic B. Entertaining C. Extracurricular D. Physica

28. ASL (American Sign Language), a language that is expressed through the hands

and face and is perceived through the eyes, is every useful for the _______ .

A. Blind B. Mentally disabled

C. Dump D. Mentally retarded

29. A hearing aid or deaf aid is a device which is ________ lớn improve hearing.

A. Designed B. Designation C. Designing D. To design

30. The _______ in that country are waiting for food aid from the UN.

A. Handicapped B. Hungry C. Sick D. Unemployed

31. He has not developed mentally as much as others at the same age. He’s_______ .

A. Mentally alert B. Mentally ill

C. Mentally retarded D. Mentally restricted

32. One aim of the International Day of Persons with Disabilities is khổng lồ further _____ awareness of disability issues.

A. Raise B. Rise C. Increase D. Pull

33. Traditionally, it was family members within the extended family who fook

______ for elderly care.

A. Advantages B. Care C. Responsibility D. Time

34. ______ children get siclc four times as often as children in permanent homes

and also sụffer from anxiety and depression at a higher rate than stably housed children.

A. Ill-educated B. Homeless C. Homely D. Weak

35. Talented students with a disability should be helpẹd lớn become independent,

______ in the society & achieve success at school.

A. Contribute B. Integrate C. Involve D. Sociaỉise

36. Precisely when the first wheeled chairs were invented và used for______ persons is unknown.

A. Disabled B. Poor C. Unhappy D. Unemployed

37. Many students with visual impairments in regular schools cannot participate m

school activities, thereby being left _______ .

A. Again B. Lonely C. Behind D. Over

38. Many people who took part in the fight __________ illiteracy considered it an

honourable job khổng lồ help others.

A. Against B. Back C. For D. With

39. The aim of the LIVE project is to train students from developing _________ .

A. Nations B. Nationalists C. Nationalities D. Nationalism

40. Every donation, regardless of size, helps lớn rebuild communities that are hit by

natural ______ .

A. Attacks B. Damages C. Disasters D. Issues

Exercise 4. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to lớn the underlined word(s) in each of the following questions.

41. Young college và university students participate in helping the poor who have suffered badly in wars or natural disasters.

A. Get involved in B. Interfere with

C. Join hands D. Come into

42. They give care và comfort lớn the disadvantaged and handicapped children & help them lớn get over difficulties.

A. Accept B. Face C. Overcome D. Take

43. At first, there was a lot of opposition from the parents of the disabled children as they were not under the impression that their children could learn anything at all.

A. Didn’t believe B. Didn’t report

C. Didn’t declare D. Didn’t support

44. Every year, the United Nations set up an activity to call for world-wide support for the rights & well-being of disabled people.

A. Apply for B. Ask for C. Care for D. Persist in

45. Bầu homeless child would have died if we hadn’t been able khổng lồ find a suitable blood donor.

A. Giver B. Maker C. Taker D. Sender

Exercise 5. IVIark the letter A, B, c, or Đ lớn indicate the word(s) OPPOSITE ỉn meaning to lớn the underlịned word(s) in each of the following questions..

46. Sadly, many non-disabled people have negative attitudes toward children with cognitive impairments in deveỉoping countries.

A. Helpless B. Disappointing

C. Pessimistic D. Positive

47. Little Mạry had a disadvantaged childhood with little education & money.

A. Difficuit B. Poor C. Prosperous D. Starving

48. Accorđing khổng lồ WHO, many disabled people still face challenges, discrimination, poverty, and limited access lớn education, employment, and healthcare.

A. Controlled B. Inadequate C. Short D. Unrestricted

49. The theme of the upcoming conference is to lớn remove barriers to create an inclusive & accessible society for all.

A. Abolish B. Stick to C. Get rid of D. Keep

50. Mast of these children come from large and poor families, which prevent them from having proper schooling.

A. Convenient B. Desired C. Inappropriate D. Useful

⇒ Xem giải đáp phần II tại đây

Part III. GRAMMAR

Exercise 6. Mark the letter A, B, c, or D to lớn indicate the correct answer to each of the following questions.

51. Last Sunday, the Youth Union __________ a chiến dịch to help students with

disabilities.

A. Has launched B. Launched

C. Was launched D. Was launching

52. Recently, a gang of enterprising New Zealanders __________ an incredible

scheme to lớn raise awareness of depression and mental health issues.

A. Has introduced B. Had introduced

C. Introduced D. Was introduced

53. Last Sunday, Texas-based game-fans The speed Gamers _________in a charity

activity to lớn donate money to relief organisations.

A. Have participated B. Participated

C. Had participated D. Were participating

54. The Real Life Super nhân vật Project is a gathering of men and women who ________

forces khổng lồ better their community.

A. Have joined B. Are joining C. Will join D. Are joined

55. The famous physicist Albert Einstein _________ for a $1 to lớn $5 donation before

scribbling his name on a piece of parchment, và _______ every cent lớn various charities.

A. Asked/donated B. Had asked/donated

C. Has asked/donated D. Asked/donating

56. Former special education teacher Ashman, 74,___________ involved in fundraising 20 years ago.

A. Got B. Has got C. Had got D. Has been getting

57. When his mum_____ , he ____ that, as well as enjoying doing it, he ______

to give something back to the Dorothy Iỉouse Hospice Care.

A. Had died/decided/has wanted

B. Died/has decided/has wanted

C. Died/decided/wanted

D. Died/decided/had wanted

58. This year, so far, we ______ £16,000 & are still counting.

A. Are raising B. Have been raised C. Have raised D. Raised

59. Hughes, 26, a sports therapist,________ 53 marathons in 53 days in 53 different

UK cities.

A. Completed B. Had completed C. Would complete D. Was complete

60. My plan ______ lớn raise awareness, especially for young people, of the importance of keeping fit for the past two months.

A. Are B. Has been C. Have been D. Was

61. I’m a keen golfer & I _______three golfing days that_______ £6,000, £8,000

and £5,000 last year.

A. Organised/raised

B. Were organising/raised

C. Have organised/raised

D. Organised/have raised

62. I _______ lớn help students at a special school twice since I finished grade 11.

A. Have volunteered B. Had volunteered

C. Was volunteering D. Volunteered

63. It is now over seventy years since Lindbergh ________ across the Atlantic.

A. Has been flying B. Flew

C. Had flown D. Has flown

64. Since every penny of the grant______ spent on equipment, we started looking

for volunteers to do the cleaning.

A. Had been B. Would have been

C. Have been D. Was

65. – When will Mary be able to leave hospital?

– Don’t be so impatient. We cannot release her beíbre we ______ the last test.

A. Have completed B. Will have completed

C. Will complete D. Completed

66. You should try khổng lồ follow the lecture without asking questions unless you ______ something important.

A. Wouldmiss B. Will miss C. Had missed D. Have missed

67. Although at that time my knowledge of German was very poor, I _____ most

of what they said about how lớn help people with mental disorders.

A. Understood B. Have understood

C. Had understood D. Didn’t understand

68. One thing should be made quite clear: there can’t be any last-minute changes

once the programme __________ approved by all the people involved.

A. Will be B. Will have been

C. Has been D. Had been

69. Although he was on the whole very suspicious of theprọịect, Mr Adams______ lớn cooperate.

A. Didn’t promise B. Promised

C. Has promised D. Hasn’t promised

70. Even though Lady Sarah was totally opposed to lớn the project, she _________ that it

would increase job opportunities for the local people.

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A. Had agreed B. Agreed C. Was agreed D. Would agree

71. When he ______ ten years old, Louis Braille ________ the National Institute for

the Blind in Paris.

A. Was/entered B. Was/was entering

C. Was/was entered D. Was/would enter

72. “How many aid packages_______ so far?” – “Ten”.

A. Vì chưng you prepare B. Did you prepare

C. Have you prepared D. Had you prepared

73. In over ten years, he_______ more than 100 bicycles khổng lồ needy students in

Central Viet Nam.

A. Gave B. Has given C. Has been given D. Hasbeen giving

74. Rã _______ the idea of giving sweaters & warm clothes to the poor just a

couple of weeks ago, shortly after the beginning of the rainy season.

A. Came up with B. Comes up with

C. Has come up with D. Was coming up with

75. In the past, health care in some rural areas of this country_______ by only a small

number of doctors và nurses.

A. Is provided B. Provided C. Provides D. Wasprovided

76. Never ________ more people ________ in charity work than now.

A. Do/participate B. Did/participate

C. Have/participated D. Had/participated

77. Neither Phillips nor his brothers ________ khổng lồ school because their fatheí

teaches them at home.

A. Have never been B. Has ever been

C. Have ever been D. Ever went

78. Not until we ______ the school for children with disabilities how they

overcome difficulties.

A. Had visited/did we know B. Visited/had we known

C. Visited/did we know D. Have visited/did we know

79. The boy ______across the narrow canal in ten minutes to find himself out of

danger.

A. Swum B. Was swum C. Swam D. Had swam

80. A group of young Vietnamese in the north-central province of Nghe An_____ a không tính phí bread box dedicated to lớn poor blue-collar workers.

A. Have phối up B. Sets up C. Had mix up D. Have been setting up

Exercise 7. Mark the letter A, B, c, or D to indicate the underlined part that needs correction in each of the following questions.

⇒ Xem giải đáp phần III trên đây

*

Mark the letter A, B, C, or D to lớn indicate the correct answer lớn each of the following questions.

Question. The Braille alphabet has been one of the greatest ____ in human history.

A. Invention

B. Inventions

C. inventors

D. Inventive


*

Part II. VOCABULARYMark the letter A, B, C, or D lớn indicate the correct answer to lớn each of thefollowing questions.6. The Braille alphabet has been one of the greatest ____ in human history.A. Invention B. Inventions C. Inventors D. Inventive7. During summer holidays, university students are willing to take part in providing education for children in remote và ____ areas.A. Mountain B. Mountainous C. Mountaineer D. Mountaineering8. People with disabilities always need khổng lồ be ____ after.A. Asked B...
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Part II. VOCABULARY

Mark the letter A, B, C, or D lớn indicate the correct answer lớn each of thefollowing questions.

6. The Braille alphabet has been one of the greatest ____ in human history.

A. Invention B. Inventions C. Inventors D. Inventive

7. During summer holidays, university students are willing to take part in providing education for children in remote and ____ areas.

A. Mountain B. Mountainous C. Mountaineer D. Mountaineering

8. People with disabilities always need khổng lồ be ____ after.

A. Asked B. Cared C. Looked D. Taken

9. The volunteer team ____ students with various visual, hearing, physical andcognitive impairments every two months lớn give them both financial và spiritual support.

A. Gọi back B. điện thoại tư vấn off C. Gọi on D. Gọi out

10. An organisation for Educational Development co-operated with our school to____ không lấy phí English classes for the poor in the area.

A. Put away B. Put off C. Mix off D. Mix up

 


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6. The Braille alphabet has been one of the greatest ____ in human history.

A. Invention B. Inventions C. Inventors D. Inventive

7. During summer holidays, university students are willing lớn take part in providing education for children in remote & ____ areas.

A. Mountain B. Mountainous C. Mountaineer D. Mountaineering

8. People with disabilities always need lớn be ____ after.

A. Asked B. Cared C. Looked D. Taken

9. The volunteer team ____ students with various visual, hearing, physical & cognitive impairments every two months to give them both financial and spiritual support.

A. Gọi back B. Gọi off C. Call on D. Gọi out

10. An organisation for Educational Development co-operated with our school to____ không tính tiền English classes for the poor in the area.

A. Put away B. Put off C. Mix off D. Phối up


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Mark the letter A, B, C, or D on your answer sheet lớn indicate the sentence that best combines each pair of sentences in the following questions
Transportation has been made much easier thanks to the invention of cars. However, cars are the greatest contributor of air pollution A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution B. However easier the invention of cars has made transportation, it is cars that are among the gr...
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Mark the letter A, B, C, or D on your answer sheet to lớn indicate the sentence that best combines each pair of sentences in the following questions

Transportation has been made much easier thanks to lớn the invention of cars. However, cars are the greatest contributor of air pollution

A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution

B. However easier the invention of cars has made transportation, it is cars that are among the greatest contributors of air pollution

C. Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution

D. Although the invention of cars has made transportation much easier, people use cars lớn contribute lớn the pollution of air


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Đáp án C

Việc vận tải đã được thực hiện thuận tiện hơn phụ thuộc sự phát minh ra ô tô. Mặc dù vậy, ô tô chính là yếu tố lớn số 1 gây ra ô nhiễm và độc hại không khí. = C. Mặc dù sự phát minh sáng tạo ra ô tô để cho việc vận chuyển trở nên thuận tiện hơn, dẫu vậy ô tô đó là yếu tố lớn số 1 gây ra ô nhiễm và độc hại không khí. Cấu tạo câu tương phản, đối lập: Although/Though + clause, clause. (Mặc dù…, nhưng…).

= In spite of/ Despite + N/V-ing, clause.

Các đáp án sót lại sai nghĩa:

A. Sự phát minh sáng tạo ra ô tô làm cho việc vận tải trở nên dễ ợt hơn, tuy thế ô tô chính là một một trong những yếu tố lớn nhất gây ra độc hại không khí.

B. Tuy nhiên sự sáng tạo ra ô tô làm cho việc chuyển động trở nên thuận tiện hơn, nhưng mà ô tô chính là một trong số những yếu tố lớn số 1 gây ra ô nhiễm và độc hại không khí.

D. Tuy vậy sự phát minh ra ô tô để cho việc vận tải trở nên thuận lợi hơn, cơ mà mọi người tiêu dùng ô đánh để góp thêm phần vào bài toán gây ra ô nhiễm và độc hại không khí


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Mark the letter A, B, C or D on your answer sheet to lớn indicate the sentence that best combines each pair of sentences in the following questions. Transportation has been made much easier thanks khổng lồ the invention of cars. However, cars are the greatest contributor of air pollution. A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution. B. However easier the invention of cars has made transportation, it is cars that are among the...
Đọc tiếp

Mark the letter A, B, C or D on your answer sheet lớn indicate the sentence that best combines each pair of sentences in the following questions.

Transportation has been made much easier thanks lớn the invention of cars. However, cars are the greatest contributor of air pollution.

A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution.

B. However easier the invention of cars has made transportation, it is cars that are among the greatest contributors of air pollution. 

C. Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution.

D. Although the invention of cars has made transportation much easier, people use cars lớn contribute lớn the pollution of air.


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Đáp án C

Việc vận chuyển đã được thực hiện tiện lợi hơn nhờ vào sự sáng tạo ra ô tô. Tuy nhiên vậy, ô tô đó là yếu tố lớn số 1 gây ra ô nhiễm và độc hại không khí.

C. Mặc dù sự phát minh sáng tạo ra ô tô để cho việc vận tải trở nên thuận tiện hơn, nhưng mà ô tô chính là yếu tố lớn nhất gây ra ô nhiễm không khí.

Cấu trúc câu tương phản, đối lập: Although/Though + clause, clause. (Mặc dù…, nhưng…).

= In spite of/ Despite + N/V-ing, clause.

Các đáp án sót lại sai nghĩa:

A. Sự phát minh ra ô tô làm cho việc chuyển vận trở nên thuận tiện hơn, tuy vậy ô tô chính là một một trong những yếu tố lớn số 1 gây ra độc hại không khí.

B. Mặc dù sự phát minh sáng tạo ra ô tô khiến cho việc vận chuyển trở nên thuận lợi hơn, tuy nhiên ô tô đó là một trong những yếu tố lớn nhất gây ra ô nhiễm và độc hại không khí.

D. tuy vậy sự sáng tạo ra ô tô khiến cho việc di chuyển trở nên thuận tiện hơn, cơ mà mọi người sử dụng ô tô để đóng góp phần vào vấn đề gây ra ô nhiễm và độc hại không khí. 


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Mark the letter A, B, C or D on your answer sheet khổng lồ indicate the sentence that best combines each pair of sentences in the following questions.Transportation has been made much easier thanks khổng lồ the invention of car. However, cars are the greatest contributor of air pollution. A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution B. However easier the invention of cars has made transportation, it is cars that among the greate...
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Mark the letter A, B, C or D on your answer sheet khổng lồ indicate the sentence that best combines each pair of sentences in the following questions.

Transportation has been made much easier thanks to lớn the invention of car. However, cars are the greatest contributor of air pollution.

A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution

B. However easier the invention of cars has made transportation, it is cars that among the greatest contributors of air pollution

C. Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution of air

D. Although the invention of cars has made transportation much easier, people use cars to lớn contribute lớn the pollution of air


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Đáp án C

Kiến thức: Nối câu, mệnh đề nhượng bộ (tương phản)

Giải thích:

Although + S1 + V1, S2 + V2: tuy vậy

However + adj + S + be, S + V: mặc dù thế nào... Thì...

Tạm dịch: Đi lại trở nên dễ dàng hơn nhờ phát minh sáng tạo của phần đông ô tô. Tuy nhiên, ô tô là nhân tố lớn nhất gây ô nhiễm không khí.

A. Sáng tạo ra xe hơi làm đi lại tiện lợi hơn, nhưng ô tô là nhân tố lớn nhất một trong những nhân tố gây độc hại không khí.

B. Cho dù sự sáng tạo của xe hơi có làm cho việc đi lại dễ dàng không những thế nào đi nữa, nó là xe hơi cái mà lại là nhân tố lớn nhất một trong những nhân tố gây ô nhiễm và độc hại không khí.

C. Tuy vậy phát minh ra xe hơi làm giao thông thuận tiện hơn, nhưng xe hơi là yếu tố đóng góp lớn số 1 vào độc hại không khí.

D. Tuy nhiên phát minh ra ô tô làm giao thông thuận tiện hơn, tuy nhiên nhiều người sử dụng tô đánh để đóng góp phần làm ô nhiễm và độc hại không khí.


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Mark the letter A, B, C, or D on your answer sheet khổng lồ indicate the sentence that best combines each pair of sentences in the following questions.Transportation has been made much easier thanks lớn the invention of cars. However, cars are the greatest contributor of air pollution A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution B. Although the invention of cars has made transportation much easier, people use cars to contri...
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Mark the letter A, B, C, or D on your answer sheet lớn indicate the sentence that best combines each pair of sentences in the following questions.

Transportation has been made much easier thanks to lớn the invention of cars. However, cars are the greatest contributor of air pollution

A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution

B. Although the invention of cars has made transportation much easier, people use cars to contribute khổng lồ the pollution of air

C. Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution

D. However easier the invention of cars has made transportation, it is cars that are among the greatest contributors of air pollution


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Đáp án C

Giải thích: Giữa nhị câu sử dụng từ nối "However", thể hiện mối quan hệ nhượng bộ, nhì vế trái ngược nhau nhưng không đối nghịch trả toàn.

Dịch nghĩa: Giao thông vận tải đường bộ đã được thực hiện dễ ợt hơn nhiều phụ thuộc việc phát minh sáng tạo ra ô tô. Tuy nhiên, những cái xe ô tô là yếu tố đóng góp lớn nhất của ô nhiễm và độc hại không khí.

Phương án C. Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution. = tuy vậy việc phát minh sáng tạo ra cái xe xe hơi đã làm giao thông vận tải vận tải dễ ợt hơn nhiều, các cái xe là yếu đuối tố đóng góp góp lớn số 1 của ô nhiễm không khí.

Đây là phương án bao gồm nghĩa của câu cạnh bên với nghĩa câu gốc nhất.

A. The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution. = Việc phát minh ra mẫu xe ô tô đã làm giao thông vận tải vận tải dễ dàng hơn nhiều, những cái xe là 1 trong trong số rất nhiều yếu tố đóng góp lớn nhất của ô nhiễm và độc hại không khí.

“Là một trong các những” và “là” sở hữu hai nhan sắc thái và ý nghĩa khác hẳn nhau.

B. Although the invention of cars has made transportation much easier, people use cars khổng lồ contribute lớn the pollution of air. = mặc dù việc phát minh sáng tạo ra mẫu xe xe hơi đã làm giao thông vận tải tiện lợi hơn nhiều, con người sử dụng ô tô để đóng góp vào độc hại không khí.

D. However easier the invention of cars has made transportation, it is cars that are among the greatest contributors of air pollution. = tuy nhiên việc phát minh ra mẫu xe đã tạo nên giao thông tiện lợi hơn đến nạm nào, thiết yếu chiếc xe cộ là một trong những yếu tố đóng góp lớn nhất cho độc hại không khí.