题目内容：

根据短文内容和所给的中文提示, 用单词的正确形式填空. (限填一词)

As we know, cars have made our life more convenient _1.________比 before. But on the other hand, they also bring us many problems, such as air 2.__________污染 and traffic 3.__________(交通事故).

To tell the truth, traffic safety is everyone’s business. We must obey the rules. For 4._________(例子)，we must walk on sidewalks. When we 5.__________(穿过)zebra-crossings, don't 6._________(忘记) to stop and look right and left. Don’t play on the 7.___________(公路). Never run _8.________(快地) through red lights. It is very dangerous to talk on your mobile phone while _9.______(驾驶). If all of us pay _10.___________(注意) to our personal safety, then cars will be our friends.