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1、2022年12月英语四级阅读练习题:超导材料多做英语四级阅读可以让你在做阅读理解的过程中，驾驭正确的阅读方法和阅读技巧，阅读速度大大提升。为了让大家能更好的备考，我特殊整理了2022年12月英语四级阅读练习题:超导材料，详情如下：The stone age, The Iron Age. Entire epochs have been named for materials. So what to call the decades ahead? The choice will be tough. Welcome to the age of superstuff. Material science
2、 - once the least sexy technology is bursting with new, practical discoveries led by superconducting ceramics that may revolutionize electronics. But superconductors are just part of the picture: from house and cars to cook pots and artificial teeth, the world will someday be made of different stuff
3、. Exotic plastics, glass and ceramics will shape the future just as surely as have genetic engineering and computer science.The key to the new materials is researchers increasing ability to manipulate substances at the molecular level. Ceramics, for example, have long been limited by their brittlene
4、ss. But by minimizing the microscopic imperfections that cause it, scientists are making far stronger ceramics that still retain such qualities as hardness and heat resistance. Ford Motor Co. now uses ceramic tools to cut steel. A firm called Kyocera has created a line of ceramic scissors and knives
5、 that stay sharp for years and never rust or corrode.A similar transformation has overtaken plastics. High-strength polymers now form bridges, ice-skating rinks and helicopter rotors. And one new plastic that generates electricity when vibrated or pushed is used in electric guitars, touch sensors fo
6、r robot hands and karate jackets that automatically record each punch and chop. Even plastic litter, which once threatened to permanently blot the landscape, has proved amenable to molecular tinkering. Several manufacturers now make biodegradable forms; some plastic six-pack rings for example, gradu
7、ally decompose when exposed to sunlight. Researchers are developing ways to make plastics as recyclable as metal or glass. Besides, composites plastic reinforced with fibers of graphite or other compounds made the round-the-world flight of the voyager possible and have even been proved in combat: a
8、helmet saved an infantrymans life by deflecting two bullets in the Grenada invasion.Some advanced materials are old standard with a new twist. The newest fiberoptic cable that carry telephone calls cross-country are made of glass so transparent that a piece of 101 miles thick is clearer than a stand
9、ard window pane.But new materials have no impact until they are made into products. And that transition could prove difficult, for switching requires lengthy research and investment. It can be said a firmer handle on how to move to commercialization will determine the success or failure of a country
10、 in the near future.1. How many new materials are mentioned in this passage?A TwoB ThreeC FourD Five2. Why does the author mention genetic engineering and computer science?A To compare them with the new materials.B To show the significance of the new materials on the future world.C To compare the ne
11、w materials to them.D To explain his view point.3. Why is transition difficult?A Because transition requires money and time.B Because many manufacturers are unwilling to change their equipment.C Because research on new materials is very difficult.DBecause it takes 10 years.4. Where lies success of a
12、 country in the New Age of superstuff?A It lies in research.B It lies in investment.C It lies in innovation.D It lies in application.答案详解1. B 三种超导材料。答案再第一段最终一句“奇妙的塑料、玻璃和陶瓷”。下面各段详细讲这三种材料。其次段讲陶瓷：“新材料之关键在于探讨工作者不断提高在分子水平上处理物质的实力。举陶瓷为例，由于它的脆性，长期来应用范围有限。但是通过改善导致脆性的微小缺陷，科学家制造出一种保持原有硬度和抗热性，但坚实得多的陶瓷”。第三段讲塑料。
13、“类似的转折发生在塑料上，高强度的塑料建成了桥梁、溜冰场、直升机的叶轮。一种振动或推动就能发电的新型塑料用于电子吉他上，触及传感塑料用于机械手和空手道外衣上，它能自动记录每次击打。”后面谈及塑料垃圾可以处理，或者制造可分解还原的塑料制品。塑料内加入其他化合物加强性能。第四段讲有些高级材料由新的变更，最新的光纤电缆由玻璃制成，透亮度极高，101英里厚的一块其清楚度比一块一般窗玻璃还高。2. B 说明这种新材料对将来世界的意义。答案在第一段：“奇妙的塑料、玻璃和陶瓷肯定会象生物工程和计算机一样将变更世界。”A. 把它们和新材料相比较，这里不仅仅是比较，而是说明三者都具同样的作用-变更世界。 C.
14、把新材料比作它们。也不仅仅是比方比拟。 与A一样没有说到核心电。D. 说明他的观点。太笼统。3. A 转折须要钱和时间。见最终一段“可是新材料只有制成产品才有影响，而这个转折可能很困难，因为转折须要长期的探讨和投资。可以这么说，在不久的将来，更牢牢地驾驭如何把材料转变成商品将确定一个国家之成败。”B. 因为很多制造商不愿变更他们的设备。C. 因为新材料的探讨特别困难。 D. 转折要华上十年时间。这三项文内没有涉及。4. D 在超级材料时代已过之胜利在于应用。A. 在于探讨。B. 在于投资。C. 在于革新。这三项都是应用的部分前提。其中A和B文内提到，C项文内未涉及。本文来源：网络收集与整理，如有侵权，请联系作者删除，谢谢！第4页 共4页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页
