资料来源：来自本人网络整理！祝您工作顺利！四六级阅读难点关键句 预备要考四六级了，大家预备好了吗?接下来，我给大家预备了四六级阅读难点关键句,欢送大家参考与借鉴 四六级阅读难点关键句 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 drivers 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 valid1 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 relatively2 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 occupations. 7. Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect (智能) and emotion, and determine the human character. 8. Contraction3 of front and side parts as cells die off was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds. 9. The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns. 10. White collar workers doing routine work in government offices are, however, as likely to have shrinking brains as the farm worker, bus driver and shop assistant. 11. We know that you have a high opinion of the kind of learning taught in your colleges, and that the costs of living of our young men, while with you, would be very expensive to you. 12. But you must know that different nations have different ways of looking at things, and you will therefore not be offended if our ideas of this kind of education happen not to be the same as yours. 13. We are, however, not the less obliged by your kind offer, though we refuse to accept it; and, to show our grateful sense of it, if the gentlemen of Virginia will send us a dozen of their sons, we will take care of their education, teach them in all we know , and make men of them. 14. In what now seems like the prehistoric4 times of computer history, the earths postwar era, there was quite a wide-spread concern that computers would take over the world from man one day. 15. Already today, less than forty years later, as computers are relieving us of more and more of the routine tasks in business and in our personal lives. We are faced with a less dramatic but also less foreseen problem. 16. Obviously, there would be no point in investing in a computer if you had to check all its answers, but people should also rely on their own internal computers and check the machine when they have the feeling that something has gone wrong. 17. Certainly Newton considered some theoretical aspects of it in his writings, but he was reluctant to go to sea to further his work. 18. For most people the sea was remote, and with the exception of early intercontinental travellers or others who earned a living from the sea, there was little reason to ask many questions about it , let alone to ask what lay beneath the surface. 19. The first time that the question " What is at the bottom of the oceans? had to be answered with any commercial consequence was when the laying of a telegraph cable from Europe to America was proposed. 20. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea. 第一局部(1-20句译文) 1、系好平安带可以挽救性命，它能将丧生和重伤的概率削减一半以上。
2、但是司机有责任确保14岁以下的孩子不要坐在前排，除非他们系好了平安带 3、当然，假如有以下状况你可以不系平安带：你在倒车时，或者你用一种特别交通工具进展当地的货物运输、搜集时，或者你有合法的医学证明你不能系平安带时 4、留意你假如不这么做(系平安带)的话，你有可能被告上法庭，而且你有可能被处以罚款除非你能证明你有不带平安带的理由 5、Taiju Matsuzawa 教授想找出为什么日本北部的安康农民在相对年轻的年龄就显得开头失去思索与推理的力量的缘由以及怎样才能延缓老化过程 6、在东京国立大学的同事们的关心下，他开头对一千来自不同职业的人群进展了大脑体积的测量 7、计算机技术关心研近a href=//.fanwena /yangsheng/kesou/ target=_blank>咳嗽被竦萌四郧安亢筒嗖康淖既诽寤馐怯肴说闹悄芎颓樾饔泄氐牟糠郑乙秉a href=//.fanwena /fanwen/jueding/ target=_blank>打算人的性格特点 8、有的人(大脑)前部和侧部的收缩随着细胞的死亡在三十多岁时就能被观看到了，但是也有些人直到六七岁依旧不明显。
9、讨论结果说明在农村的人大脑收缩根本上比城市里的人要早 10、在政府部门从事简洁重复工作的白领也像农场工人、公共汽车司机和商店职员一样大脑细胞简单收缩 11、我们知道你们很看重你们在大学里面训练的学习方法，而且我们的年轻人与你们生活的花费即使对于你们来说也不廉价 12、但是你们也要明白不同的民族对待事物有不同的方法，所以假如刚好我们的看法与你们的不一样的话，你们也。