III. Choose the best answer to complete each of the following sentences: 1. Non-renewable energy sources are running
A. up
B. on
C. to
D. out
2. Solar energy, air and water are
resources because there is unlimited supply.
A. limited
B. renewable
C. available
D. non-renew
3. People have used coal and oil to electricity for a long time. B. generated
A. generation
C. generate
D. generates
4. Coal and oil are non-renewable sources.
A. engineer 5. The area is roped off because the water is seriously polluted.
B. energy
C. engineering
D. energetic
A. contaminated
B. disappeared
C. purified
D. endangered
6. Oil, coal and natural gas are fuels made from decayed material.
A. unleaded
B. smokeless
C. solid
D. fossil
7. All fossil fuels are resources that cannot be replaced after use. A. unlimited
B. renewable
C. available
D. non-renewa
8. We should develop such sources of energy as solar energy and nuclear energy. C. revolutionary
A. tradition
B. alternative
D. surprising
9. Increased consumption will lead to faster of our natural resources.
A. exhaust
B. exhausting
C. exhaustion
D. exhaustive
10. Many organizations have been set up and funds have been raised.
A. established
B. collapsed
D. decreased
C. delayed
1. Many national parks have been established to protect animals.
A. endanger
B. endangered
C. danger
D. dangerous
2. Many rare_ of animals are in danger of extinction.
A. species
B. classes
D. pairs
C. being
3. Dinosaurs became millions of years ago. A. disappear
B. extinct
C. last
D. endangered
14. The sun releases a large of energy every day. B. amounts
C. number
D. numbers
A. amount
clean and safe. 15. Solar energy is not only plentiful
D. as well
C. but
B. and
A. but also
16. Water energy is used to create electricity.
D. heat
C. operate
B. design
A. produce
17. Alice: "What shall we do this evening?" - Carol: "
B. No problem
A. Let's go out for dinner
C. Oh, that's good!
D. I went out for dinner.
18. "How about driving to the countryside this Sunday 2