V. Choose the best answer (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. was 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. enough
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 next
year.
A. was built B. were 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
1.b
2.b
3.d
4.d
5.c
6.b
7.c
8.a
9.c
10.d
11.b
12.d
13.c
14.d
15.a
16.d
17.a
18.a
19.d
20.b
