1. Natural gas is cheaper and less polluting than coal. Coal is……………………………………. 2. We are trying to find cheap and clean and effective sourced of energy. We are looking………………………….. 3. Will solar and wind replace fossil fuels within 20 years? Will fossil fuels………………………………….. 4. This is the second time I have visited Yaly hydroelectric power plant. I have………………………………………. 5. They built the first hydroelectric power plant in Niagara Falls in 1879. The first hydroelectric power plant…………………………… 6. It’s a good idea to switch off electrical appliances when they aren’t in use. You……………………….. 7. Although coal is the most polluting of fossil fuels, it is still the largest sources of energy worldwide. Despite…………………………….. 8. Biogas will be used for fuel in homes and for transport. People………………………………….
2 câu trả lời
- Coal is more expensive and more polluting than natural gas.
- We are looking for cheap and clean, and effective sources of energy.
- Will fossil fuels be replaced by solar and wind within 20 years.
- I have visited Yaly hydroelectric power plant twice.
- The first hydroelectric power plant was built at Niagara Falls in 1879.
- You should switch off electrical appliances when they are not in use.
- Despite being the most polluting of fossil fuels, coal is still the largest source of energy worldwide.
8. People will use biogas for fuel in homes and for transport
1. Coal is more expensive and more polluting than natural gas.
2. We are looking for cheap and clean and effective sourced of energy..
3. Will fossil fuels be replaced by solar and wind within 20 years?
4. I have visited Yaly hydroelectric power plant twice.
5. The first hydroelectric power plant was built at Niagara Falls in 1879.
6. You should switch off electrical appliances when they aren’t in use.
7. Despite being the most polluting of fossil fuels, coal is still the largest sources of energy worldwide.
8. People will use biogas for fuel in homes and for transport.