Unit 4 Understanding ideas 课件-2022-2023学年高中英语外研版（2019）选择性必修第四册

SB4U4 Everyday economics Business Blossoms (Understanding ideas) How did people make payments in ancient times? Starting out Activity 1 Watch the video and answer the questions. What is the video about? What stages are mentioned in the video? What are they like? Starting out What is the video about? What stages are mentioned in the video? What are they like? The video is about the development of money. stages currency 1 _________ A ______________ is a way to exchange goods and service for other goods and services 2 Around _______________ Chinese people started to use _____________________ to trade things. ________ of different shapes were used. 3 The coins were standardized and started to take a circular shape with a __________________ through the middle 4 Around _______________ The Chinese began to use ___________________. 5 __________, which is said to be not only the first example of paper currency used in China, but also in the world. 6 We have a modern system of coins and _______________, but this is continuing to change and develop to other forms. Long before the 11th century BC the Qin Dynasty the year 1000 The Song Dynasty Today barter system small pieces of bronze Coins square hole paper money Jiaozi paper notes The Development of Currency 1. A barter system 2. small pieces of bronze 3. paper money 4. coin＆paper currency 5. mobile payment Starting out Activity 2 Look at the pictures and answer the questions. What activities are shown in the pictures? What do they have in common? What other economic activities are part of your daily life? Picture 1 _________________________________ Picture 2 _________________________________ Picture 3 _________________________________ Picture 4 _________________________________ Paying coins for some vegetables Using an ATM card to withdraw money Donating money to people in need Paying through an app on a smart phone These pictures all show types of economic behaviours, and they are all related to currency of