1. For a long time/ people/ use water/ power machines.
2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water. .
3. We/ use energy/ the sun, the wind, and the water.
4. Many countries/ already using/ solar energy.
5. The earth’s fossil fuels/ running out.
6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or waste natural resources.
7. Recently/ wind/ use/ generate electricity. .
8. The sun/ supply/ all energy/ used/ grow plants/ evaporate...
Đọc tiếp
1. For a long time/ people/ use water/ power machines.
2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water. .
3. We/ use energy/ the sun, the wind, and the water.
4. Many countries/ already using/ solar energy.
5. The earth’s fossil fuels/ running out.
6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or waste natural resources.
7. Recently/ wind/ use/ generate electricity. .
8. The sun/ supply/ all energy/ used/ grow plants/ evaporate water/ rain/ and/ maintain/ temperature/ planet
9. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power. .
10. Today/ water power/ mostly/ use/ generate electricity.
11. This power/ could/ provide/ sun. .
12. If we/ able/ collect solar energy/ we/ be sure/ have enough power.
13. Scientists/ try/ find/ other alternative sources/ energy.
14. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population.
15. Viet Nam/ an advanced technology/ solar energy. .
16. The energy/ store/ a number of days. 17. Car/ use solar energy/ gas/ by the year 2030.
.18. Energy/ wind/ use/ centuries/ move ships, grind grain, pump water/ and/ do other forms/ work. 19. On/ cloudy/ you/ use/ solar energy/ too.
20. Almost all our energy/ come/ oil/ gas/ natural gas. We/ them/ fossil fuels. ........................................................................................................................