Unit 6 Section A 2a-2d 课件 2022-2023学年人教版英语九年级全册

Unit 6 When was it invented? Section A 2a~2d 学习目标 1.掌握单词： heel,scoop,electricity,style,in the dark,invention,inventor 2.能掌握以下被动语态句型： ①—When was the telephone invented? —I think it was invented in 1876. ② —What are they used for? —They are used for seeing at night. 3.练习被动语态 invent v. 发明 inventor n. 发明家 invention n. 发明 e.g. Edison, a great inventor, invented many great inventions during his life. REVIEW heel scoop Do you know shoes with special heels? Did you use special scoops? shoes with special heels shoes with lights hot ice-cream scoop, runs on electricity Listen and number the inventions [1-3] in the order you hear them. 2a 3 1 2 Alex Carol Invention What is it / are they used for? shoes with special heels ________ the style of the shoes shoes with lights seeing ___________ hot ice-cream scoop ________ really cold ice-cream Listen again and complete the chart. 2b changing serving in the dark 1. be used for ... 被用来…… 是由“use sth. for sth. / doing sth.”结构转变而来, 介词for在这里表示用途或作用, 后面可以接名词、代词或动词-ing形式。 This machine can be used for cutting grass. Make conversations using the information in 2b. A: What are they used for? B: They’re used for seeing in the dark. Pair WorkPair Work 2c A: What are they used for? B: They’re used for changing the stytle of the shoes A: What is it used for? B: It is used for serving really cold ice-cream Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”. Can you help me think of an invention? Roy: With pleasure! Let me think ... hmm... I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often it's used in our daily lives. You can see zippers on dresses, trousers, shoes, bags... almost everywhere! 2d Paul: Well, you do seem to have a point... Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipp