Câu hỏi:
13/05/2020 496Read the following passage and mark the letter (A, B, C or D) on your answer sheet to indicate the correct answer to each for the questions.
In the course of history, human inventions have dramatically increased the average amount of energy available for use per person. Primitive people in cold regions burned wood and animal dung to heat their caves, cook food, and drive off animals by fire. The first step toward the developing of more efficient fuels was taken when people discovered that they could use vegetable oils and animal fats in lieu of gathered or cut wood. Charcoal gave off a more intensive heat than wood and was more easily obtainable than organic fats. The Greeks first began to use coal for metal smelting in the 4th century, but it did not come into extensive use until the Industrial Revolution.
In the 1700s, at the beginning of the Industrial Revolution, most energy used in the United States and other nations undergoing industrialization was obtained from perpetual and renewable sources, such as wood, water streams, domesticated animal labor, and wind. These were predominantly locally available supplies. By mid-1800s, 91 percent of all commercial energy consumed in the United States and European countries was obtained from wood. However, at the beginning of the 20th century, coal became a major energy source and replaced wood in industrializing countries. Although in most regions and climate zones wood was more readily accessible than coal, the latter represents a more concentrated source of energy. In 1910, natural gas and oil firmly replaced coal as the main source of fuel because they are lighter and, therefore, cheaper to transport. They burned more cleanly than coal and polluted less. Unlike coal, oil could be refined to manufacture liquid fuels for vehicles, a very important consideration in the early 1900s, when the automobile arrived on the scene.
By 1984, nonrenewable fossil fuels, such as oil, coal, and natural gas, provided over 82 percent of the commercial and industrial energy used in the world. Small amounts of energy were derived from nuclear fission, and the remaining 16 percent came from burning direct perpetual and renewable fuels, such as biomass. Between 1700 and 1986, a large number of countries shifted from the use of energy from local sources to a centralized generation of hydropower and solar energy converted to electricity. The energy derived from nonrenewable fossil fuels has been increasingly produced in one location and transported to another, as is the case with most automobile fuels. In countries with private, rather than public transportation, the age of nonrenewable fuels has created a dependency on a finite resource that will have to be replaced
The phrase “per person” is closest in meaning to
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Trả lời:
Giải bởi Vietjack
Đáp án là A
Cụm từ “ per person” gần nghĩa nhất với
A. trên đầu người
B. trên năm
C. trên hộ gia đình
D. trên ngày
Dẫn chứng: In the course of history, human inventions have dramatically increased the average amount of energy available for use per person
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Read the passages and the questions or unfinished sentences. Then choose the answer (A, B, C or D) that you think fits best.
Around the age of sixteen, you must make one of the biggest decisions of your life. “Do I stay on at school and hopefully go on to university (31) _______? Do I leave and start work or begin a training course. The decision is yours, but it may be (32) _______ remembering two things: there is more unemployment among those who haven’t been to university, and people who have the right skills will have a big advantage in the competition for jobs. If you decide to go (33) _______ into a job, there are many opportunities for training. Getting qualifications will help you to get on more quickly in many careers, and evening classes allow you to learn (34) _______ you earn. Starting work and taking a break to study when you are older is another possibility. In this way, you can save up money for your student days, as well as (35) _______ practical work experience
Điền vào ô số 32
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Câu 2:
Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions
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Câu 3:
From the four words or phrases (A, B, C or D) choose the one that best completes the sentence
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Câu 4:
From the four words or phrases (A, B, C or D) choose the one that best completes the sentence
The new director of the company seems to be an intelligent and ______ man
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Câu 5:
Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions
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Câu 6:
Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions
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Câu 7:
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
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