中国大学MOOC: Fewer accidents mean _______ traffic conditions, and reducing 5)_______, repairs and injuries. Speed limits could rise with more people using self-driving cars.
举一反三
- 中国大学MOOC: Speed limits could rise with more people using self-driving cars. When self-driving cars prove they can 6) ______ at higher speed limits, speed limits could be raised.
- 中国大学MOOC: Self-driving cars could drive people who are unable to drive themselves. They could travel without 7) _________ others.
- 9. It is implied that there will be fewer road accidents if ______. A: the drivers are more considerate of other people B: there are fewer cars or walkers in the street C: the motorists are not always in a hurry D: the passengers are calm but not confused before the accidents
- 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.
- Wearing a seat belt in a vehicle ______. A: reduces road accidents by more than half B: saves lives while driving at a speed up to 30 miles per hour C: reduces the death rate in traffic accidents D: saves more than 15,000 lives each year