问题描述：
求解答过程：听短文,填空.短文读
| 听短文,填空.短文读三遍. |
| Telephones in cars are very useful. Drivers can use them to 1 not only crimes and accidents, but also those who 2 traffic rules. With their information, the police can 3 at the spot quickly and doctors can provide medical care as 4 as possible. Drivers can also telephone the 5 station to report traffic jams, so other drivers can avoid the trouble. |
问题解答：
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