According to the text, why do we need to prepare for a new age of energy synthesis?
举一反三
- 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.
- According to the text, why do we travel? A: We need to. B: We want to. C: We can improve our creativity. D: We can experience different cultures.
- Why do we need these nutrients ?( )
- Why do we need a sense of humor?