Choose the correct answers. 16. What should we do to________ electricity? a. cut b. take c. save d. waste 17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce. a. effect b. amount c. footprint d. energy 18. _____ source of energy is the source that can't be replaced after use. a. Renewable b. Natural c. Effective d. Non-renewable 19. We are looking for cheap, clean and _____ sources of energy. a. effective b. efficient c. serious dangerous 20. We should put______ on our roof for the haeting and hot water. a. solar energy b. equipment c. cracks d. solar panels 21. We should use______ light bulbs in our homes. a. low energy b. little energy c. a bit energy d. efficient 22. In my opinion, nuclear power is not only expensive but also_____ to our environment. a. danger b. dangerous c. risk d. disaster 23. Several governments try to _____ the use of fossil fuels. a. reduce b. increase c. waste d. save 24. It is a good idea to use_____ when travelling long distances. a. cars b. taxis c. private cars d. public transport 25. Wave energy is a sorce of______ energy. a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness 26. Remember to_____ the lights before going to bed. a. turn b. turn off c. turn on d. stop 27. A hydropower station_____ in the North of the country next year. a. was built b. were built c. will be built d. has been built 28. Biogas is_____ and cheap for cooking and heating. a. plenty b. abundant c. serious d. expensive 29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.'' a. effective b. specific c. renewable d. non-renewable 30. At this time next week, we_____ a wind turbin in our garden. a. install b. installed c. will installed d. will be installing 31. Alternative sources of energy______ developed in the near future. a. is b. was c. has been d. will be 32. Hydro power is_____ because dams cannot be built in certtain areas. a. limited b. unlimited c. abundant d. enough 33. Fossil fuels are very common in our society but they_____ the environment. a. renew b. provide c. waste d. pollute 34. By the middle of the 21stcentury, people in developing countries_____ more renewable energy. a. uses b. will be using c. used d. have used 35. The wind, the sun, and the wave are some types of______ sources of energy. a. changeable b. alternative c. cheap d. costly

Cách làm:

1. Đọc kỹ câu hỏi và lựa chọn từ các phương án đã cho.
2. Xác định các từ khóa trong câu hỏi để tìm câu trả lời chính xác.

Câu trả lời:

16. What should we do to save electricity?
- Correct answer: c. save

17. Someone's carbon footprint is a measurement of the amount of carbon dioxide that their activities produce.
- Correct answer: c. footprint

18. Non-renewable source of energy is the source that can't be replaced after use.
- Correct answer: d. Non-renewable

19. We are looking for cheap, clean and efficient sources of energy.
- Correct answer: b. efficient

20. We should put solar panels on our roof for the heating and hot water.
- Correct answer: a. solar energy

21. We should use low energy light bulbs in our homes.
- Correct answer: a. low energy

22. In my opinion, nuclear power is not only expensive but also dangerous to our environment.
- Correct answer: b. dangerous

23. Several governments try to reduce the use of fossil fuels.
- Correct answer: a. reduce

24. It is a good idea to use public transport when travelling long distances.
- Correct answer: d. public transport

25. Wave energy is a source of environmentally friendly energy.
- Correct answer: d. environmentally friendliness

26. Remember to turn off the lights before going to bed.
- Correct answer: b. turn off

27. A hydropower station will be built in the North of the country next year.
- Correct answer: c. will be built

28. Biogas is abundant and cheap for cooking and heating.
- Correct answer: b. abundant

29. "Why is it called a renewable source?" - "Because it can be replaced easily and quickly."
- Correct answer: c. renewable

30. At this time next week, we will be installing a wind turbine in our garden.
- Correct answer: d. will be installing

31. Alternative sources of energy will be developed in the near future.
- Correct answer: d. will be

32. Hydro power is limited because dams cannot be built in certain areas.
- Correct answer: a. limited

33. Fossil fuels are very common in our society but they pollute the environment.
- Correct answer: d. pollute

34. By the middle of the 21st century, people in developing countries will be using more renewable energy.
- Correct answer: b. will be using

35. The wind, the sun, and the wave are some types of alternative sources of energy.
- Correct answer: b. alternative

19. a. effective - We are looking for cheap, clean and effective sources of energy. Effective sources of energy are those that provide efficient and reliable power while minimizing negative impacts on the environment.

18. d. Non-renewable - A non-renewable source of energy is the source that can't be replaced after use. Examples of non-renewable energy sources include fossil fuels like coal, oil, and natural gas.

17. c. footprint - Someone's carbon footprint is a measurement of the amount of carbon dioxide that their activities produce. By reducing our carbon footprint, we can help combat climate change and reduce the impact on the environment.

16. c. save - What should we do to save electricity? We should save electricity by turning off lights and appliances when not in use, using energy-efficient light bulbs, and unplugging devices when they are fully charged.