Question

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 42

  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 the US alone, 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 is in Iceland, 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 best describes die author’s purpose in writing the passage?

A. To warn people about the hazards of fossil fuel use. 

B. To describe the advantages and disadvantages of alternative energy use. 

C. To convince people of the benefits of developing alternative energy sources. 

D. To outline the problems and solutions connected with global warming.

Answer 1

Đáp án C.

Dịch nghĩa: Đáp án nào miêu tả tốt nhất mục đích của tác giả khi viết bài văn?

A. Để cảnh báo mọi người về sự nguy hiểm của sự sử dụng nguyên liệu hoá thạch.

B. Để miêu tả lợi thế và bất lợi thế của sự sử dụng nguyên liệu thay thế.

C. Để thuyết phục mọi người về lợi ích của việc phát triển nguồn nguyên liệu thay thế.

D. Để tóm tắt vấn đề và cách giải quyết liên quan đến nóng lên toàn cầu.