17 科普新知-2024年中考英语新热点时文阅读

2024年中考英语新热点时文阅读-科普新知 题型 主要内容 1 阅读理解 介绍了洋葱的用途和营养价值，也提供了几种切洋葱不流泪的方法。 2 阅读理解 介绍了筷子的历史以及和筷子的发明有关的三个传说，还介绍了制造筷子的多种材料。 3 阅读理解 介绍了人类进化过程中脸部的变化。 4 阅读理解 通过《白雪公主》的故事引出有毒的苹果的话题。 5 阅读理解 介绍了20世纪70年代，一位名叫J. P. Guilford的心理学家进行了一项著名的关于创造力的研究，名为“九点谜题”，这让Guilford得出了一个笼统的结论：创造力需要你跳出框框。但是后来有人通过研究证明这个结论是一个误导。 6 阅读理解 讲述了动物也会撒谎，撒谎可以帮助它们生存。 7 阅读理解 讲述了新冠肺炎疫情期间挽救人命的口罩，如今却成了野生动物的“杀手”。作者呼吁人们使用口罩后，勿随意丢弃。 8 完形填空 讲述了植物之间的交流方式。 9 语法填空 介绍了中国人喜欢喝热水的原因。 01 （2023上·浙江·九年级期中）Whether yellow, red or white, the onion is a vegetable that you may not know well. The list of uses in cooking for it is endless. People have used onions to add flavor (味道) to their foods for thousands of years. Besides onions’ great taste, they are very good for you. They have special chemicals (化学物质) that improve your ability to fight off sickness and you have fewer chances of getting a disease. No matter how good onions are for you, it is difficult to cut an onion without your eyes filling with tears! When you cut into an onion, irritating chemicals inside the onion will get into the air. They touch your whole eves and cause pain. Your eyes make tears to wash away the chemicals and protect your eyes. Luckily, cooks and scientists have discovered some ways to keep you from crying when you cut up onions: ●Cut the onion under running water. The water will wash away the chemicals before they can reach your eyes. ●Use a fan to blow air over the onion as you cut it. The air will blow the chemicals away from your eyes. ●Put the onion in a fridge for an hour before cutting. This helps make the chemicals in the onion move slowly, so they may not ever reach your eyes. If you try out these good ideas and still cry while cutting onions, don’t worry. Scientists think if you cut more onions, your body will become more resilient to the onion’s chemicals. So the tears will not last long. If you think about how healthy onions are, you might even call those tears “happy tears”. 1．Why can onions help you fight off