The passage gives a general description of the benefits and potential problems of a hydrogen economy.
举一反三
- The passage gives a general explanation about the benefits of a cross-cultural marriage.
- This passage gives a general description of what is SAD and how to cope with it.
- 中国大学MOOC: Self-driving vehicles have brought and might bring to people both benefits and potential problems, limits and obstacles.
- There is a situation in the market economy: the government does not<br/>intervene in the economy at all, this kind of economy is called ( ) A: Weak economy. B: Completely free market economy. C: The government does not intervene in the economy. D: Mixed economy.
- ______ is a sustained decrease in the general price level in an economy.