The government enforced strict _____ laws and encouraged people to _____ clean energy cars.
举一反三
- More and more people ____ the new energy because it is clean and cheap.
- People are beginning to use clean energy sources mainly because _______.
- 中国大学MOOC: Drivers have to become familiar with these cars and what they can do. Many laws need to be 14) _______ to permit use of self-driving cars.
- The main technical fields of intelligent power generation are () . A: Renewable Energy; New Energy; Large Capacity Energy Storage<br/>Application B: Conventional Energy; Renewable Energy; Clean energy C: Conventional Energy; Renewable Energy; Clean Energy D: New Energy; Clean Energy; Large Capacity Energy Storage Application
- Many people hope that solar energy will produce a clean, nonpolluting means heating our homes and offices. This is a fact.