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.pptx

SB4U4 Everyday economicsBusiness Blossoms(Understanding ideas) How did people make payments in ancient times? Starting outActivity 1Watch the video and answer the questions.What is the video about? What stages are mentioned in the video? What are they like? Starting outWhat is the video about? What stages are mentioned in the video? What are they like?The video is about the development of money. stagescurrency1_________A ______________ is a way to exchange goods and service for other goods and services2Around _______________Chinese people started to use _____________________ to trade things. ________ of different shapes were used. 3The coins were standardized and started to take a circular shape with a __________________ through the middle4Around _______________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.6We have a modern system of coins and _______________, but this is continuing to change and develop to other forms.Long before the 11th century BCthe Qin Dynastythe year 1000The Song DynastyTodaybarter systemsmall pieces of bronzeCoinssquare holepaper moneyJiaozipaper notes The Development of Currency1. A barter system2. small pieces of bronze3. paper money4. coin＆paper currency5. mobile payment Starting outActivity 2Look 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 moneyDonating money to people in needPaying through an app on a smart phoneThese pictures all show types of economic behaviours, and they are all related to currency of various forms. Understanding ideasBusiness Blossoms Lead inLook at