Burning coal, oil, and natural gas has serious and ___ negative impacts on public health.
A: habitable
B: close
C: negligible
D: long-standing
A: habitable
B: close
C: negligible
D: long-standing
举一反三
- Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ). A: oil B: coal C: renewable energy D: natural gas
- Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- When conventional heating cannot be avoided, the energy carrier will define carbon emissions. What is the order of coal, oil, and natural gas? A: oil < gas
- The U.S. is the world’s largest producer of oil and _______. （ ）。 A: Iron B: Gold C: Coal D: Natural gas