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Choose the word or phrase -a, b, c or d that best completes the sentence.
Câu hỏi:He has ...... extensive research into renewable energy sources.
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A.
carried out
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B.
turned on
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C.
taken over
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D.
cared for
Lời giải tham khảo:
Đáp án đúng: A
Đáp án A.
carry out: thực hiện, tiến hành
turn on: bật lên
take over: tiếp quản
care for: lo lắng
Dịch: Anh ta tiến hành những nghiên cứu chuyên sâu về nguồn năng lượng thay thế.
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
CÂU HỎI KHÁC
- He has ...... extensive research into renewable energy sources
- One danger is in ...... radioactive wastes which are produced during nuclear reactions
- We should develop such ...... sources of energy as solar energy and nuclear energy
- There is now increasing concern about the world's energy ...... particularly about those involving fossil fuels
- It’s important for the developed countries to reduce energy ...... as much as possible
- The world’s coal ...... should last longer but, once used, these cannot be renewed
- The ...... of these toxic substances into the environment is potentially devastating
- Increased consumption will lead to faster ...... of our natural resources
- ...... is produced from the heat stored in the earth's core
- ...... energy sources include water and wind power
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