1. Wearing a seat belt saves lives; it reduces your chance of death or serious injury by more than half. 　
　　2. But it will be the driver’s responsibility to make sure that children under 14 do not ride in the front unless they are wearing a seat belt of some kind. 　
　　3. However, you do not have to wear a seat belt if you are reversing your vehicle; or you are making a local delivery or collection using a special vehicle; or if you have a valid medical certificate which excuses you from wearing it. 　　
　　4. Remember you may be taken to court for not doing so, and you may be fined if you cannot prove to the court that you have been excused from wearing it. 　
　　5. Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age, and how the process of ageing could he slowed down. 　　
　　參考答案：
　　1、系好安全帶能夠挽救性命，它能將喪生和重傷的概率減少一半以上�！　�
　　2、但是司機(jī)有責(zé)任確保14歲以下的孩子不要坐在前排，除非他們系好了安全帶�！　�
　　3、當(dāng)然，如果有以下情況你可以不系安全帶：你在倒車(chē)時(shí)，或者你用一種特殊交通工具進(jìn)行當(dāng)?shù)氐呢浳镞\(yùn)送、收集時(shí)，或者你有合法的醫(yī)學(xué)證明你不能系安全帶時(shí)�！�
　　4、注意你如果不這么做（系安全帶）的話，你有可能被告上法庭，而且你有可能被處以罰款除非你能證明你有不帶安全帶的理由。　　
　　5、Taiju Matsuzawa 教授想找出為什么日本北部的健康農(nóng)民在相對(duì)年輕的年齡就顯得開(kāi)始失去思考與推理的能力的原因以及怎樣才能延緩老化過(guò)程。