Question

[Dương Minh]

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.

        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 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 in Iceland, a region of high geothermal activity where there are 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 can be inferred about the use of geothermal energy in Iceland?

A. It is widely used form of energy for heating homes.

B. Twenty percent of the geothermal energy created is used to heat businesses.

C. It is not effective for use in private homes.

D. It is 80 times more effective than traditional forms of energy.

Answer 1

[Nguyen Hoang Hai]

Đáp án A.

Key words: use, geothermal energy, Iceland

Clue: A prime example of effective geothermal use in Iceland, a region of high geothermal activity where there are over 80 percent of private homes, are heated by geothermal power: Một ví dụ về việc sử dụng năng lượng địa nhiệt hiệu quả ở Iceland, vùng có hoạt động sử dụng địa nhiệt cao nơi mà hơn 80% các gia đình được sưởi ấm bằng năng lượng địa nhiệt.

Vậy đáp án chính xác là A. It is widely used form of energy for heating homes: Nó là dạng năng lượng được sử dụng rộng rãi để sưởi ấm.

Các đáp án còn lại là sai:

B. Twenty percent of the geothermal energy created is used to heat businesses: 20% năng lượng địa nhiệt được tạo ra để sưởi ẩm cho các doanh nghiệp

C. It is not effective for use in private homes: Nó không hiệu quả khi sử dụng trong gia đình

D. It is 80 times more effective than traditional forms of energy: Nó hiệu quả gấp 80 lần so với các dạng năng lượng truyền thống