Câu hỏi:
03/04/2020 340Read 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
In this era of increased global warming and diminishing fossil fuel supplies, we must begin to put a greater priority on harnessing alternative energy sources. Fortunately, there are a number of readily available, renewable resources that are both cost- effective and earth – friendly. Two such resources are solar power and geothermal power
Solar energy, which reaches the earth through sunlight, is so abundant that it could meet the needs of worldwide energy consumption 6,000 times over. And solar energy is easily harnessed through the use of photovoltaic cells that convert sunlight to electricity. In theUSalone, more than 100, 000 homes are equipped with solar electric systems in the form of solar panels or solar roof tiles. And in other parts of the world, including many developing countries, the use of solar system is growing steadily
Another alternative energy source, which is abundant in specific geographical areas, is geothermal power, which creates energy by tapping heat from below the surface of the earth. Hot water and steam that are trapped in underground pools are pumped to the surface and used to run a generator, which is produces electricity. Geothermal energy is 50, 000 times more abundant than the entire known supply of fossil fuel resources. And as with solar power, the technology needed to utilize geothermal energy is fairly simple. A prime example of effective geothermal use inIceland, a region of high geothermal activity where over 80 percent of private homes are heated by geothermal power.
Solar and geothermal energy are just two of promising renewable alternatives to conventional energy sources. The time is long overdue to invest in the development and use of alternative energy on global scale
What is the main topic of this passage ?
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Trả lời:
Đáp án : C
Bài văn nói về hai loại năng lượng thay thế (để hạn chế nóng lên toàn cầu và cạn kiệt tài nguyên) là năng lượng mặt trời, và năng lượng địa nhiệt. Cuối đoạn 1: Two such resources are solar power and geothermal power. Và sau đó, đoạn 2 nói về “solar energy”, và đoạn 3 nói về “Another alternative energy source, which is abundant in specific geographical areas, is geothermal power”
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is CLOSEST in meaning to the sentence given in each of the following questions
Though many scientific breakthroughs have resulted from mishaps it has taken brilliant thinkers to recognize their potential
Câu 2:
Not until a monkey is several years old ________to exhibit signs of independence from its mother
Câu 5:
________for the fact that he was working abroad, he would willingly have helped with the project
Câu 6:
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is CLOSEST in meaning to the sentence given in each of the following questions
I hope to have the privilege of working with them again
Câu 7:
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
When I came back I realized that my camera had been disappeared
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