Car drivers can take a subway into the city center where cars always ____ in the traffic jams.
举一反三
- . Can you summarize the features of smart cars? 1. Smart cars can ________ most car accidents. 2. Smart cars can ________the police and provide precise location if stolen. 3. Smart cars can ________ one’s driving and the driving conditions nearby. 4. Smart cars alert the _______ driver. 5. Smart cars can ________ your car precisely and warn of traffic jams.)
- _____ cars in traffic jams caused a great deal of pollution.
- Sensors in your smart car tuned to radio signals from orbiting satellites can l_______________ your car precisely and warn of traffic jams.
- Sensors in your car tuned into radio signals from orbiting satellites can locate your car _________ at any moment and warn of traffic jams.
- Sensors in your car _____ to radio signals from orbiting satellites can locate your car precisely at any moment and warn ______traffic jams.