Human beings have been depending heavily on fossil fuels to meet their increasing energy demands since the Industrial Revolution.
举一反三
- Since 1978, many new _______ have been developed in our university to meet the increasing demands of the students.
- We have to prepare for a new age of energy synthesis since fossil fuels will be eventually depleted.
- 中国大学MOOC: We have to prepare for a new age of energy synthesis since fossil fuels will be eventually depleted.
- The Industrial Revolution in the west has been responsible for technical development which benefits human beings and the natual world.
- People are beginning to use clean energy sources mainly because _______. A: fossil fuels have caused a lot of pollution B: clean energy is cheap C: fossil fuels have cost a lot of lives D: they do not have enough fossil fuels now