Unit 8 Big Data 第4课时 课件-2023-2024学年中职高二下学期英语语文版（2021）拓展模块

Unit 8-（4） Big Data Warm-up Ask and answer in pairs. What is big data? How is big data collected? Did big data change our life? Can big data record our shopping habits? How does Big Data help education? How does big data improve the health and nutrition of Chinese people? Do you often use communication apps? What transportation apps do you often use? Which online learning apps do you use? How does big data collect and provide service? 2 Warm-up Ask and answer in pairs. What is big data? 2. How is big data collected? 3. Did big data change our life? 4. Can big data record our shopping habits? 5. How does Big Data help education? Big data is large amount of information and facts. Big data is collected when we go online and leave some traces. Yes, it did. Yes, it can. By using some learning apps. 3 Warm-up 6. How does big data improve the health and nutrition of Chinese people? 7. Do you often use communication apps? 8. What transportation apps do you often use? 9. Which online learning apps do you use? 10. How does big data collect and provide service? People can enjoy more personalised health services by big data. Getting up time, tips about their health and their food supply. Yes I do. I often use Yitongxing, and Beijing Bus. I often use Xuexitong and Mosoteach. It stores, process and analyse information. Continue! 4 Facts About Big Data 容量/体积 速度 种类 真实性 价值 5 Big data refers to any dataset that is difficult to manage using traditional database systems. It is made up of three Vs: volume, velocity and variety. Volume means the amount of collected data. Velocity refers to the speed of generating and processing data. Varietv is the different kinds of data. Let’s read the passage and pay attention to the sense of groups. Let’s read. 6 For every new technology, there are positive and negative sides. Big data is no exception. For example, big data can help build smart cities in which the traffic jam is avoided. But the biggest problem