This abundance has made Russia virtually self-sufficient in energy and a large-scale exporter of fuels.
举一反三
- This abundance has made Russia virtually...e exporter of fuels.
- Before fossil fuels were exploited and applied on a large scale, ( ) the main source of energy in ancient China.
- People are working to increase the use of solar energy now that they have fewer supplies of traditional fuels. As supplies of traditional fuels __________. (diminish)
- What made a large scale of industrial production possible?
- ______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a system.