Câu hỏi:
22/04/2025 118
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 users 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 areas 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.
What does the passage primarily discuss?
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 users 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 areas 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.
What does the passage primarily discuss?
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Trả lời:
Giải bởi Vietjack
B. Advantages and disadvantages of solar energy
Câu hỏi cùng đoạn
Câu 2:
What does the word they in line 4 refer to?
What does the word they in line 4 refer to?
Lời giải của GV VietJack
D. solar cells
Câu 3:
What is NOT an advantage of solar cells?
What is NOT an advantage of solar cells?
Lời giải của GV VietJack
A. They cost little to produce.
Câu 4:
Which of the following is the main disadvantage of solar energy mentioned in the passage?
Which of the following is the main disadvantage of solar energy mentioned in the passage?
Lời giải của GV VietJack
C. It is expensive.
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Sách thầy cô Vietjack biên soạn:
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Read the following passage and select the letter A, B, C or D to indicate the correct word that best fits each of the numbered blanks. (Đọc đoạn văn dưới đây và chọn A, B, C hoặc D để chỉ ra từ cụm từ đúng phù hợp với các chỗ trống được đánh số)
The television first (13) ________ about seventy years ago in the 1950s
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05/05/2025
691
Câu 2:
If you are not well and miss a class,
please ask a classmate to tell you what was taught.
Who is this message for?
If you are not well and miss a class,
please ask a classmate to tell you what was taught.
Who is this message for?
Xem đáp án »
22/04/2025
114
Câu 3:
Complete the second sentence so that it has a similar meaning to the first one.
(Hoàn thành câu thứ hai sao cho cùng nghĩa với câu thứ nhất)
My friend has decided to buy a bicycle. His motorbike was stolen last week.
=> My friend, whose, .
Complete the second sentence so that it has a similar meaning to the first one.
(Hoàn thành câu thứ hai sao cho cùng nghĩa với câu thứ nhất)
My friend has decided to buy a bicycle. His motorbike was stolen last week.
=> My friend, whose, .
Xem đáp án »
05/05/2025
99
Câu 4:
Complete the second sentence so that it has a similar meaning to the first sentence, using the word(s) in brackets.
(Hoàn thành câu thứ hai sao cho có cùng nghĩa với câu thứ nhất, sử dụng từ cho sẵn trong ngoặc đơn)
Do your parents allow you to watch TV late at night? (LET)
=>
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05/05/2025
88
Câu 5:
Complete the second sentence so that it has a similar meaning to the first one.
(Hoàn thành câu thứ hai sao cho cùng nghĩa với câu thứ nhất)
The boys said "We have to try our best to win the match".
=> The boys said .
Complete the second sentence so that it has a similar meaning to the first one.
(Hoàn thành câu thứ hai sao cho cùng nghĩa với câu thứ nhất)
The boys said "We have to try our best to win the match".
=> The boys said .
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05/05/2025
83
Câu 6:
Choose the word whose main stress pattern is placed differently from the others.
(Chọn từ có dấu nhấn chỉnh được đặt khác với các từ còn lại)
Choose the word whose main stress pattern is placed differently from the others.
(Chọn từ có dấu nhấn chỉnh được đặt khác với các từ còn lại)
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22/04/2025
82
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