1. What do we need energy for? We need energy to live and work.
2. What is our major source of energy? Oil is our major source of energy.||Our majo source of energy is oil.
3. Why must we save fossil fuels? Because the amount of fossil fuels in the world is limited.
4. What are the advantages of the other alternative sources of energy? These sources are not only unlimited and available but also clean and safe to the environment.||They are not only unlimited and available but also clean and safe to the environment.
5. Should people develop and use the alternative sources of energy more and more in the future? Yes, they should.
1. What do we need energy for? We need energy to live and work.
2. What is our major source of energy? Oil is our major source of energy.||Our majo source of energy is oil.
3. Why must we save fossil fuels? Because the amount of fossil fuels in the world is limited.
4. What are the advantages of the other alternative sources of energy? These sources are not only unlimited and available but also clean and safe to the environment.||They are not only unlimited and available but also clean and safe to the environment.
5. Should people develop and use the alternative sources of energy more and more in the future? Yes, they should.