Unit 4 Section Ⅰ Starting out-【新课程能力培养】2023-2024学年新教材高中英语选择性必修第四册学习手册（外研版）

Unit4 Everydayeconomics 学 精 听 练 习 完成教材 Activity 1 后， 完成以下细节 填空练习。 A Brief History of Currency Long before money was invented, people used a barter system （交换系统） to buy and sell things. A barter system is a way to 1. goods and services for other goods and services. For example, crops and animals might be 2. for tools and clothing. Later, some goods became more 3. accepted than others for their utility （实用） . Gradually, they were used to calculate the 4. of other products and services. One such item was salt. During Roman times, soldiers were paid partly with 5. for their work — and from this, we get the word “ salary ” . As time went on, 6. items were introduced into the trading system as money, since they were readily 7. . This made buying and selling easier, 8. and fairer. The 9. metal coins came from China. Around the 10. century BC, Chinese people started to use small pieces of bronze to 11. things. In the early stages, coins of different 12. were used. Today we can see in museums ancient money in the shape of knives or spades. The coins were standardised （统一标准化 ） in the Qin Dy鄄 nasty and started to take a circular （原形的， 环形的） shape with a 13. hole through the middle. This shape expressed an鄄 cient Chinese people蒺s 14. that the sky was round and the earth was square, Unit 4 Everyday economics Section Ⅰ Starting out 学习目标 1. 通过视频， 了解日常生活中不同的经济活动， 理解货币在其中扮演的角色， 对货币有一 定程度的思考。 2. 通过思考身边的经济活动， 结合自身经历， 形成健康、 节约的经济观念。 必备 知识 单词 economics economic donate 短语 have...in common 关键能力 听、 说 47 高中英语选择性必修 第四册 （外研版） 精编版 学 and also their longing for a harmonious rela鄄 tionship with the universe. Around the year 15. , the Chinese began to use 16. mon鄄 ey. The Song Dynasty saw the introduction of jiaozi. Jiaozi is said to be not only the first ex鄄 ample of paper currency used in China, but al鄄 so in the world. Paper money was easier to carry and could be taken to a 17. and exchanged for metal money when needed. After visiting China in the 18. century, the explorer Marco Polo brought