Unit 4 Information technology Lesson 1 Avatars-课件-2021-2022学年高一英语北师大版（2019）必修2

Information Technology Unit 4 Lesson 1 Part 1—Lead in Lead in Do you use these apps in your daily life? ...... Lead in What kind of avatar do you use online? ...... Lead in Why did you choose it? ...... Lead in What is an avatar? a digital identity; in computing, an image which represents you in onlion games, chat rooms, etc., and which you can move around the screen using the mouse or keys Part 2—Words and Expressions Words and Expressions image /ˈɪmɪdʒ/ n. 图像；形象 e.g. I had a mental image of what she would look like. Words and Expressions fancy /ˈfænsi/ adj. 花哨的；别致的 e.g. He's always using fancy legal words. Words and Expressions tricky /ˈtrɪki/ adj. 棘手的；狡猾的 e.g. It was a tricky problem but I think we've licked it. Words and Expressions identity /aɪˈdentəti/ n. 身份；特征 e.g. The police are trying to discover the identity of the killer. Words and Expressions 2D (2-dimensional) /daɪˈmenʃənl/ adj. 二维的 e.g. 2-dimensional structure of solar wind speed on the source surface. Words an