在做PETS-3阅读理解的时候，常常会在文章当中看到一些长句难句，这些长句难句不但生词多而且结构也比较复杂，为此本文特从历年的考试真题挑选出20个阅读难点关键句进行翻译，希望对大家备考有帮助!
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.
6. With a team of colleagues at Tokyo National University， he set about measuring brain volumes of a thousand people of different ages and varying .