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Câu hỏi:
What can we do to spend less on lighting?
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A.
replace an energy-saving bulb.
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B.
buy small light bulbs
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C.
replace an ordinary 100-watt light bulb with an energy-saving bulb.
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D.
use big light bulbs
Lời giải tham khảo:
Đáp án đúng: C
Dẫn chứng: For most North American households, lighting accounts for 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving bulb.
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
QUẢNG CÁO
CÂU HỎI KHÁC
- Choose the word that has the underlined part pronounced differently: gather, blanket, reputation, campus
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ADMICRO
ADMICRO
