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课件网) 沪教版八年级上 Unit4 主题词汇与阅读提升 invent v. 发明；创造 wheel n. 轮子；车轮 business n. 商业；生意 century n. 世纪；百年 progress n. 进步；进展 modern adj. 现代的；近代的 distance n. 距离；间距 核心单词 develop v. 发展；开发 create v. 创造；创作 ordinary adj. 普通的；平凡的 industry n. 工业 in search of： 寻找 a number of： 几个；若干 take place： 发生；进行 large amounts of： 大量的 come true： 实现 attach...to...： 把…… 固定在…… as a result： 结果；因此 not only...but also： 不仅…… 而且…… 核心短语 international trade： 国际贸易 depend on： 依靠；依赖 without doubt： 毫无疑问 of all time： 自古以来；有史以来 keep in touch with： 与…… 保持联系 instead of： 代替；作为… 的替换 in the daytime： 在白天 核心句子 When the first humans decided to leave their homes over 100,000 years ago in search of new places to live and better sources of food, they did it on foot.（当第一批人类在 10 万年前决定离开家园，寻找新的居住地和更好的食物来源时，他们都是步行的。） Humans continued walking across the globe for the next 94,000 years, until about 6,000 years ago when a number of important changes took place.（人类在接下来的 94000 年里继续在地球上行走，直到大约 6000 年前发生了一些重要的变化。） Although this meant that people could travel further and faster, transporting large amounts of goods was still a difficult job.（虽然这意味着人们可以走得更远、更快，但运输大量货物仍然是件困难的工作。） The wheel not only changed the way humans move, but it also allowed us to build all types of amazing machines.（轮子不仅改变了人类的移动方式，还让我们能够建造各种各样的神奇机器。） Without doubt, the wheel is one of the most important inventions of all time.（毫无疑问，轮子是有史以来最重要的发明之一。） The wheel changed the way villages, towns and even countries did business with each other, but it wasn't perfect.（轮子改变了村庄、城镇甚至国家之间做生意的方式，但它并不完美。） Without doubt, the wheel is one of the most important inventions of all time.（毫无疑问，轮子是有史以来最重要的发明之一。） The wheel changed the way villages, towns and even countries did business with each other, but it wasn't perfect.（轮子改变了村庄、城镇甚至国家之间做生意的方式，但它并不完美。） As a result, the first roads made of stone appeared after the arrival of the wheel.（因此，在轮子出现之后，第一条石路出现了。） Since then, people have been able to speak to each other over long distances.（从那时起，人们就可以远距离交谈了。） They allow people to keep in touch with each other anytime, anywhere.（它们让人们可以随时随地保持联系。） I think the wheel is the most important invention because it has changed transportation around the world.（我认为轮子是最重要的发明，因为它改变了世界各地的交通。） 课本链接 Computers are becoming more and more important in our daily life. With the development of science and technology, they have become smaller and smaller. There are many kinds of computers, such as personal computers ... ...
