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Câu hỏi:

22/07/2024 425

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 45.

A rather surprisingly geographical feature of Antarctica is that a huge freshwater lake, one of the world's largest and deepest, lies hidden there under four kilometers of ice. Now known as Lake Vostok, this huge body of water is located under the ice block that comprises Antarctica. The lake is able to exist in its unfrozen state beneath this block of ice because its waters are warmed by geothermal heat from the earth's core. The thick glacier above Lake Vostok actually insulates it from the frigid temperature (the lowest ever recorded on Earth) on the surface.

The lake was first discovered in the 1970s while a research team was conducting an aerial survey of the area. Radio waves from the survey equipment penetrated the ice and revealed a body of water of indeterminate size. It was not until much more recently that data collected by satellite made scientist aware of the tremendous size of the lake; satellite -borne radar detected an extremely flat region where the ice remains level because it is floating on the water of the lake.

The discovery of such a huge freshwater lake trapped under Antarctic is of interest to the scientific community because of potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light that have affected organisms in more exposed areas. The downside of the discovery, however, lies in the difficulty of conducting research on the lake in such a harsh climate and in the problems associated with obtaining uncontaminated samples from the lake without actually exposing the lake to contamination. Scientists are looking for possible ways to accomplish this.

 

The passage mentions which of the following as a reason for the importance of Lake Vostok?

A. It may contain uncontaminated microbes

Đáp án chính xác

B. It can be studied using radio waves

C. It has already been contaminated

D. It may have elevated levels of ultraviolet light

Trả lời:

verified Giải bởi Vietjack

Đáp án A

Bài đọc đề cập đến những điều sau đây như là một lý do cho tầm quan trọng của Hồ Vostok?

A. It may contain uncontaminated microbes: có thể chứa vi khuẩn chưa bị hư hỏng/còn sống

B. Itcan be studied using radio waves: có thể nghiên cứu bằng sóng radio

C. It has already been contaminated: đã bị hư hỏng

D. It may have elevated levels of ultraviolet light: có thể có mức độ ánh sáng tia cực tím cao

Thông tin ở câu: "of interest to the scientific community because of the potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light:"

mối quan tâm của cộng đồng khoa học vì có khả năng là hồ này chứa những vi khuẩn cổ đại đã sống hàng ngàn năm mà không bị ảnh hưởng bởi những yếu tố như bụi phóng xạ hạt nhân và ánh sáng tia cực tím cao

Dịch bài

Một đặc điểm địa lý đáng ngạc nhiên của Nam Cực là một hồ nước ngọt khổng lồ, một trong những hồ lớn và sâu nhất thế giới, nằm ẩn ở đó dưới 4 km băng. Bây giờ được biết đến như là Hồ Vostok, phần nước khổng lồ này nằm dưới khối băng bao gồm Nam Cực. Hồ có thể tồn tại trong trạng thái không đóng băng dưới khối băng này bởi vì nước của nó được làm nóng bởi địa nhiệt từ lõi của trái đất. Sông băng dày trên hồ Vostok thực sự cách ly nó khỏi nhiệt độ băng giá (thấp nhất từng được ghi lại trên trái đất) trên bề mặt của nó.

          Hồ được phát hiện lần đầu tiên vào những năm 1970 trong khi một nhóm nghiên cứu đang tiến hành một cuộc khảo sát trên không của khu vực. Các sóng vô tuyến từ thiết bị khảo sát xâm nhập vào băng và cho thấy một phần nước có kích thước không xác định. Cho đến gần đây, dữ liệu thu thập được từ vệ tinh đã làm cho các nhà khoa học nhận thức được tầm cỡ to lớn của hồ; radar vệ tinh phát hiện một vùng cực kỳ phẳng, nơi băng đá vẫn còn bằng phẳng vì nó trôi nổi trên mặt nước hồ.

          Khám phá về một hồ nước ngọt khổng lồ bị mắc kẹt dưới Nam Cực là mối quan tâm của cộng đồng khoa học vì có khả năng là hồ này chứa những vi khuẩn cổ đại đã sống hàng ngàn năm mà không bị ảnh hưởng bởi những yếu tố như bụi phóng xạ hạt nhân và ánh sáng tia cực tím cao có ảnh hưởng đến các vi sinh vật ở những vùng tiếp xúc nhiều hơn. Tuy nhiên, điểm yếu của khám phá này là khó khăn trong việc tiến hành nghiên cứu về hồ trong điều kiện thời tiết khắc nghiệt và trong các vấn đề liên quan đến việc lấy mẫu không nhiễm khuẩn từ hồ mà không làm cho hồ bị ô nhiễm. Các nhà khoa học đang tìm kiếm những cách để thực hiện việc này.

Câu trả lời này có hữu ích không?

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Câu 3:

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 45.

A rather surprisingly geographical feature of Antarctica is that a huge freshwater lake, one of the world's largest and deepest, lies hidden there under four kilometers of ice. Now known as Lake Vostok, this huge body of water is located under the ice block that comprises Antarctica. The lake is able to exist in its unfrozen state beneath this block of ice because its waters are warmed by geothermal heat from the earth's core. The thick glacier above Lake Vostok actually insulates it from the frigid temperature (the lowest ever recorded on Earth) on the surface.

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The discovery of such a huge freshwater lake trapped under Antarctic is of interest to the scientific community because of potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light that have affected organisms in more exposed areas. The downside of the discovery, however, lies in the difficulty of conducting research on the lake in such a harsh climate and in the problems associated with obtaining uncontaminated samples from the lake without actually exposing the lake to contamination. Scientists are looking for possible ways to accomplish this.

 

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Câu 4:

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 45.

A rather surprisingly geographical feature of Antarctica is that a huge freshwater lake, one of the world's largest and deepest, lies hidden there under four kilometers of ice. Now known as Lake Vostok, this huge body of water is located under the ice block that comprises Antarctica. The lake is able to exist in its unfrozen state beneath this block of ice because its waters are warmed by geothermal heat from the earth's core. The thick glacier above Lake Vostok actually insulates it from the frigid temperature (the lowest ever recorded on Earth) on the surface.

The lake was first discovered in the 1970s while a research team was conducting an aerial survey of the area. Radio waves from the survey equipment penetrated the ice and revealed a body of water of indeterminate size. It was not until much more recently that data collected by satellite made scientist aware of the tremendous size of the lake; satellite -borne radar detected an extremely flat region where the ice remains level because it is floating on the water of the lake.

The discovery of such a huge freshwater lake trapped under Antarctic is of interest to the scientific community because of potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light that have affected organisms in more exposed areas. The downside of the discovery, however, lies in the difficulty of conducting research on the lake in such a harsh climate and in the problems associated with obtaining uncontaminated samples from the lake without actually exposing the lake to contamination. Scientists are looking for possible ways to accomplish this.

 

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A rather surprisingly geographical feature of Antarctica is that a huge freshwater lake, one of the world's largest and deepest, lies hidden there under four kilometers of ice. Now known as Lake Vostok, this huge body of water is located under the ice block that comprises Antarctica. The lake is able to exist in its unfrozen state beneath this block of ice because its waters are warmed by geothermal heat from the earth's core. The thick glacier above Lake Vostok actually insulates it from the frigid temperature (the lowest ever recorded on Earth) on the surface.

The lake was first discovered in the 1970s while a research team was conducting an aerial survey of the area. Radio waves from the survey equipment penetrated the ice and revealed a body of water of indeterminate size. It was not until much more recently that data collected by satellite made scientist aware of the tremendous size of the lake; satellite -borne radar detected an extremely flat region where the ice remains level because it is floating on the water of the lake.

The discovery of such a huge freshwater lake trapped under Antarctic is of interest to the scientific community because of potential that the lake contains ancient microbes that have survived for thousands upon thousands of years, unaffected by factors such as nuclear fallout and elevated ultraviolet light that have affected organisms in more exposed areas. The downside of the discovery, however, lies in the difficulty of conducting research on the lake in such a harsh climate and in the problems associated with obtaining uncontaminated samples from the lake without actually exposing the lake to contamination. Scientists are looking for possible ways to accomplish this.

 

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

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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions .

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Despite his salary, earned by inventing new programs within tight schedules, with bonus payments and profit-sharing, he cannot drive a car, take out a mortgage, or obtain credit cards.

He lives with his parents in their council house in Liverpool, where his father is a bus driver. His company has to pay £150 a month in taxi fares to get him the five miles to work and back every day because David cannot drive.

David got his job with the Liverpool-based company four months ago, a year after leaving school with six O-levels and working for a time in a computer shop. "I got the job because the people who run the firm knew I had already written some programs," he said.

"I suppose £35,000 sounds a lot but actually that's being pessimistic. I hope it will come to more than that this year." He spends some of his money on records and clothes, and gives his mother £20 a week. But most his spare time is spent working.

"Unfortunately, computing was not part of our studies at school," he said. "But 1 had been studying it in books and 'magazines for four years in my spare time. 1 knew what 1 wanted to do and never considered staying on at school. Most people in this business are fairly young, anyway."

David added: "I would like to earn a million and 1 suppose early retirement is a possibility. You never know when the market might disappear."

 

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Câu 14:

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions .

Computer programmer David Jones earns £35,000 a year designing new computer games, yet he cannot find a bank prepared to let him have a cheque card. Instead, he has been told to wait another two years, until he is 18.

The 16-year-old works for a small firm in Liverpool, where the problem of most young people of his age is finding a job. David's firm releases two new games for the expanding home computer market each month. But David's biggest headache is what to do with his money.

Despite his salary, earned by inventing new programs within tight schedules, with bonus payments and profit-sharing, he cannot drive a car, take out a mortgage, or obtain credit cards.

He lives with his parents in their council house in Liverpool, where his father is a bus driver. His company has to pay £150 a month in taxi fares to get him the five miles to work and back every day because David cannot drive.

David got his job with the Liverpool-based company four months ago, a year after leaving school with six O-levels and working for a time in a computer shop. "I got the job because the people who run the firm knew I had already written some programs," he said.

"I suppose £35,000 sounds a lot but actually that's being pessimistic. I hope it will come to more than that this year." He spends some of his money on records and clothes, and gives his mother £20 a week. But most his spare time is spent working.

"Unfortunately, computing was not part of our studies at school," he said. "But 1 had been studying it in books and 'magazines for four years in my spare time. 1 knew what 1 wanted to do and never considered staying on at school. Most people in this business are fairly young, anyway."

David added: "I would like to earn a million and 1 suppose early retirement is a possibility. You never know when the market might disappear."

 

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Câu 15:

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

He was successful in his career thanks to his parents' support.

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