11. When you save energy, you not only save money, you also reduce the demand for __________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.
A. carbon footprint B. electricity C. fossil fuels D. biogas
12. In India, the demand for __________ has always been more than the supply.
A. shortage B. sources C. slogan D. electricity
13. __________ energy is produced by collecting sunlight and converting it into electricity.
A. Hydro B. Nuclear C. Solar D. Wind
14. There are many available __________ power sources in Vietnam including sun, wind, water, etc.
A. nuclear B. hydro C. renewable D. solar
15. Laos and Cambodia have big plans for building up to 11__________ on the lower Mekong.
A. dams B. slogans C. energy D. coals
16. __________ can be an excellent source of free, renewable energy for poor farmers.
A. Turbine B. Biogas C. Solar panel D. Bulb
17. The government has warned that Britain will face power __________ in the coming winters.
A. coal B. shortages C. slogans D. energy
18. Wind power is one of the earliest __________ sources of energy used by humankind. A. alternative B. polluted C. harmful D. exhausted
19. Nobody can predict exactly when supplies of fossil fuels will be __________ However, we all know they quickly reduce in quantity.
A. installed B. polluted C. harmful D. exhausted
20. Biogas can be used to __________ natural gas in cooking, heating, or electrical generation.
A. use up B. replace C. pollute D. install
21. At this time next week we__________ to work to support the air pollution cutting down campaign.
A. are cycling B. will be cycling C. will cycle D. will be cycled
22. Someone’s carbon__________ is a measurement of the amount of carbon dioxide that their activities produce.
A. footprint B. energy C. effect D. amount
23. Remember to__________ the lights before going to bed.
A. turn on B. stop C. turn D. turn off
24. We will cut down in the use of natural gas because it is __________ and harmful to the environment.
A. available B. abundant C. plenty D. limited
25. Hydro power is__________ because dams cannot be built in certain areas.
A. abundant B. enough C. limited D. unlimited
26. __________ source of energy is the source that can’t be replaced after use.
A. Effective B. Non-renewable C. Renewable D. Natural
27. Which of the following is NOT renewable source of energy?
A. wind B. coal C. hydro D. solar
28. We are looking for cheap, clean and__________ sources of energy.
A. serious B. dangerous C. effective D. efficient
29. By the middle of the 21st century, people in developing countries__________ more renewable energy.
A. used B. have used C. uses D. will be using
30. If we go on__________ electricity, we will have to pay a lot next month.
A. turning on B. widened C. wasting D. increasing
A. Reduce the speedB. Should go fastC. Don’t enter this road
1c
2c
3a
4b
5b
1. When you save ___________, you not only save money, you also reduce the demand for coal, oil, and natural gas and that is a great way to play a part in saving the planet.
A. school B. money C.energy
2. There are many available ___________ power sources in Vietnam including sun, wind, water, etc.
A. nuclear B. hydro C.renewable
3. Biogas can be used to ___________ natural gas in cooking, heating, or electrical generation.
A. replace B. pollute C. install
4. The non-renewable sources of energy that we are using are_____ and are bound to expire one day.
A. plentiful B. limited C. alternative
5. The city plans to plant more trees to ___________ air pollution.
A. replace B. reduce C. overcool