Solar energy is a long lasting source of energy, and it can (23)________almost anywhere. To generate
Câu hỏi :
Solar energy is a long lasting source of energy, and it can (23)________almost anywhere. To generate solar energy, we only need solar cells and the (24) ________! Solar cells can easily be installed (25) ____________ house roofs, so we don’t need any new space. Compared to other renewable sources, they also possess many advantages: wind and water power rely on turbines (26) ___________ are noisy, expensive and which take up large space. Solar cells are totally silent and non-polluting. As they have no moving parts, they require little maintenance and have a long lifetime.
(23)
Solar energy is a long lasting source of energy, and it can (23)________almost anywhere. To generate solar energy, we only need solar cells and the (24) ________! Solar cells can easily be installed (25) ____________ house roofs, so we don’t need any new space. Compared to other renewable sources, they also possess many advantages: wind and water power rely on turbines (26) ___________ are noisy, expensive and which take up large space. Solar cells are totally silent and non-polluting. As they have no moving parts, they require little maintenance and have a long lifetime.
(23)
A. be used
B. is used
C. be using
D. to be used
* Đáp án
* Hướng dẫn giải
Chọn đáp án A
Cấu trúc bị động với động từ khuyết thiếu: S + modal V + be + VpII
Dịch: Năng lượng mặt trời là một nguồn năng lượng lâu dài và nó có thể được sử dụng ở hầu hết mọi nơi.
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