Unit 4 Operation and Maintenance 课件-2023-2024学年中职高二上学期英语西南财大版职业模块工科类

Unit 4 Operation and Maintenance After learning this unit, you’ll be able to: talk about operation of machines; read articles on UAV and C919 aircraft; complete a product manual. CONTENTS Warming-UP Listening and Speaking Reading Writing Professional Values and Ethics Warming-UP I. Choose the word or expression from the box and write it on the space provided below each picture. Warming-UP 2.____________ 1.____________ 3.____________ maintainer driving engine C919 aircraft lawn mower UAV dishwasher spare parts remote control 3D printer spare parts C919 aircraft remote control Warming-UP 5.____________ 4.____________ 6.____________ 8.____________ 7.____________ 9.____________ lawn mower dishwasher maintainer 3D printer driving engine UAV II. Discuss the following questions. Warming-UP 1. What is an unmanned aerial vehicle (UAV)? 2. How does a UAV work? Listening and Speaking Read the words and expression. Guess what will happen. Listening and Speaking Dialogue 1 How Does a 3D Printer Work create /kri'eɪt/ v. 创造 three-dimensional /θriːdaɪ'menʃənl/ adj. 三维的；立体的 digital /'dɪdʒɪtl/ adj. 数字的 slice /slaɪs/ v. 切成薄片 layer /'leɪə(r)/ n. 层 a range of 一系列 I. Listen to the dialogue and fill in the missing information. (Wang Mei is talking with an experienced technician Mr Liu) Wang Mei: Hello, Mr Liu, could you tell me how a 3D printer works? Mr Liu: Sure, it’s pretty simple. Basically, a 3D ① ___________ uses a process to create three-dimensional objects from a digital file. Wang Mei: Wow, that sounds complicated. Mr Liu: Not really. The 3D printer takes a ② _________ file of the object to create and slices it into thin layers. The printer then builds the object layer by layer, using a ③ _________ such as plastic or metal. Listening and Speaking printer digital material Listening and Speaking Wang Mei: That’s amazing! So can it create any object I want? Mr Liu: Yes. As long as you have a 3D m