1. __________ the type of pollution varies, all forms of non-renewable energy sources are to a greater or lesser extent polluting. Coal, in common with other fossil 2. __________, produces Sulphur dioxide, though, in this respect, gas compares very favorably 3. __________ coal and oil. The combustion of fossil fuels produces carbon dioxide in 4. __________ greater amounts than plant life can use. This carbon dioxide, by accumulating in the atmosphere, may well 5. __________ to global rises in 6. __________ (called the “greenhouse effect”) and such rises could in time have a 7. __________ effect on climate. Nuclear fuel doesn’t emit gases into the atmosphere 8. __________ it is used, but it produces its own 9. __________ toxic waste products. All forms of fuel mentioned so far add to the earth’s heat load and in this way provide a long-term 10. __________ to the environment.
1. A. Although B. In spite of C. Despite D. Because of
2. A. energies B. fuels C. resources D. mines
3. A. with B. of C. from D. about
4. A. more B. well C. quite D. much
5. A. make B. let C. lead D. cause
6. A. atmosphere B. pollution C. temperature D. houses
7. A. harmless B. serious C. useful D. active
8. A. which B. what C. that D. when
9. A. rarely B. hardly C. highly D. barely
10. A. endangered B. dangerous C. danger D. dangerously
1. A. Although B. In spite of C. Despite D. Because of
2. A. energies B. fuels C. resources D. mines
3. A. with B. of C. from D. about
4. A. more B. well C. quite D. much
5. A. make B. let C. lead D. cause
6. A. atmosphere B. pollution C. temperature D. houses
7. A. harmless B. serious C. useful D. active
8. A. which B. what C. that D. when
9. A. rarely B. hardly C. highly D. barely
10. A. endangered B. dangerous C. danger D. dangerously