III. Choose the best answer from A, B, C or D
1. By the middle of the 21st century, people in developing countries ____ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun, and the wave are some types of ____________ sources of energy.
A. changeable B. alternative C. cheap D. costly
3. Alternative sources of energy ____________ developed in the near future.
A. is B. will C. has been D. will be
4. Fossil fuels are very common in our society but they ____________ the environment.
A. renew B. provide C. waste D. pollute
5. “Why is it called a _____________ source?” – “Because it can be replaced easily and quickly.”
A. effective B. specific C. renewable D. non-renewable
6. Hydro power is _____________ because dams cannot be built in certain areas.
A. limited B. unlimited C. abundant D. available
7. At this time next week, we ______________ a wind turbine in our garden.
A. install B. installed C. will installed D. will be installed
8. Biogas is ____________ and cheap for cooking and heating.
A. plenty B. abundant C. serious D. expensive
9. A hydropower station ______________ in the North of the country nex year.
A. was built B. is built C. will be built D. has been built
10. We should put ___________ on our roof for the heating and hot water.
A. solar energy B. equipment C. cracks D. solar panels
11. Remember to ____________ the lights before going to bed.
A. turn B. turn off C. turn on D. stop
12. It is a good idea to use ____________ when travelling long distances.
A. cars B. taxis C. private cars D. public transport
13. What should we do to ____________ electricity?
A. cut B. take C. save D. waste
14. We shout use _____________ light bulbs in our homes.
A. low energy B. little energy C. a bit energy D. efficient
15. In my opinion, nuclear power is not only expensive but also _________ to our environment.
A. danger B. dangerous C. risk D. disaster
16. Someone’s carbon __________ is a measurement of the amount of carbon dioxide that their activities produce.
A. effect B. amount C. footprint D. energy
17. Several governments try to ____________ the use of fossil fuels.
A. reduce B. increase C. waste D. save
18. We are looking for cheap, clean and ____________ sources of energy.
A. effective B. efficient C. serious D. dangerous
19. __________ source of energy is the source that can’t be replaced after use.
A. Renewable B. Natural C. Effective D. Non-renewable
20. Wave energy is a source of ____________energy.
A. environment friendly C. environmentally friendly
B. environmental friendly D. environmentally friendliness
21. Solar power can be ______________ into electricity
A. generated B. converted C. invested D. driven
22. Fossil fuels can be used to _______________ electricity or drive big machinery
A. create B. generate C. convert D. build
23. Last night, I didn’t go to bed early ___________ being very tired.
A. because of B. although C. because D. in spite of
24. ____________ they spent a lot of money on the film, it wasn’t a big success.
A. Nevertheless B. However C. When D. Although
