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Đỗ Huỳnh Phương

Solar energy is a long lasting source of energy which can be used almost anywhere. To generate solar energy, we only need solar cells and the sun. Solar cells can easily be installed on house roofs, so nonew space is needed and each user can quietly generate their own energy. Compared to other renewable sources, they also possess many advantages: wind and water power relies on turbines which are noisy, expensive and easy to break down. Solar cells are totally silent and non-polluting. As they have no moving parts, they require little maintenance and have a long lifetime. However, solar energy also has some disadvantages. We can only generate solar energy during daytime because the system depends on sunlight. Besides, solar cellsrequire large area to work effectively. The main disadvantage of solar energy is that it costs about twice as much as traditional sources such as coal, oil and gas. This is because solar cells are expensive. Scientists are hoping that the costs of solar cells will reduce as more and more people see the advantages of this environmentally friendly source of energy. 1.   What is the main topic of the passage? A.  Advantages and disadvantages of solar energy. B.  Solar energy as an alternative for fossil fuels. C.  Solar energy’s advantage over other sources of energy. D.  The cost of solar energy. 2.   What does the word “they” refer to? A.  solar cells   B. solar energy users C. other renewable resources    D. advantages 3.   Which of the following is the advantage of solar cells? A.  They are non-polluting. B.  They operate quietly. C.  They require little maintenance. D.  All are correct. 4.   According to the passage, what is traditional source of energy? A.  sunlight      B. electricity       C. coal   D. water 5.   The main disadvantage of solar energy is       . A.  expensive B.  difficult C.  unconvenient D.  unfriendly

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Câu trả lời:

1. A. Advantages and disadvantages of solar energy.
2. A. solar cells
3. D. All are correct.
4. C. coal
5. A. expensive

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The advantages of solar cells include being non-polluting, operating quietly, and requiring little maintenance.

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