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Tiếng Anh Lớp 9: Solar energy is a long lasting source of energy which can be used almost anywhere. To generate solar energy, we only need solar cells a

Câu hỏi:
Giúp em bài tập về nhà Tiếng Anh lớp 9 câu hỏi như sau: 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 no new 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 rely 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 cells require 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.
Question 28. What does the passage primarily discuss?
A. Advantages and disadvantages of solar energy.
B. Solar energy’s advantages over other sources of energy.
C. The cost of solar energy.
D. Solar energy as an alternative for fossil fuels.
Question 29. What does the word they in line 4 refer to?
A. solar energy users. B. other renewable resources. C. advantages. D. solar cells.
Question 30. What is NOT mentioned as an advantage of solar cells?
A. They require little maintenance. B. They are non-polluting.
C. They cost little to produce. D. They operate quietly.
Question 31. Which of the following is NOT a traditional source of energy?
A. solar energy B. oil C. coal D. gas
Question 32. Which of the following is the main disadvantage of solar energy mentioned in the passage?
A. It is expensive. B. Solar cells require large areas to operate.
C. It is unfriendly to the environment. D. It depends on sunlight.
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Trả lời 2:
Gia Sư Hoàng Khang gữi câu trả lời dành cho bạn:

Question 28. 

A. Advantages and disadvantages of solar energy.

Question 29. 

A. solar energy users.

Question 30. .

D. They operate quietly.

Question 31.

A. solar energy

Question 32

B. Solar cells require large areas to operate.

Chúc bạn học tốt !



Trả lời 1:
Gia Sư Hoàng Khang gữi câu trả lời dành cho bạn:

Question 28. What does the passage primarily discuss?

A. Advantages and disadvantages of solar energy.

B. Solar energy’s advantages over other sources of energy.

C. The cost of solar energy.

D. Solar energy as an alternative for fossil fuels. Question

29. What does the word they in line 4 refer to?

A. solar energy users.

B. other renewable resources.

C. advantages.

D. solar cells.

Question 30. What is NOT mentioned as an advantage of solar cells?

A. They require little maintenance.

B. They are non-polluting.

C. They cost little to produce.

D. They operate quietly.

Question 31. Which of the following is NOT a traditional source of energy?

A. solar energy

B. oil

C. coal

D. gas

Question 32. Which of the following is the main disadvantage of solar energy mentioned in the passage?

A. It is expensive.

B. Solar cells require large areas to operate.

C. It is unfriendly to the environment.

D. It depends on sunlight.


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