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.
- A. carried out
- B. turned on
- C. taken over
- 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.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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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
- Oil, coal and natural gas are ______ fuels made from decayed material from animal or plants
- A nuclear reactor releases ______ which is dangerous to the environment
- The government has spent £1 million on an advertising ______ to encourage energy conservation
- All fossil fuels are ______ resources that cannot be replaced after use
- Solar energy is not only plentiful and infinite = ______ but also clean and safe.