Unit 6 Section A（1a-2c）课件-2023-2024学年人教版英语九年级全一册

Unit 6 When was it invented? Section A 1 1a~2c Learning Objectives 1. To listen and talk about the important inventions and their history, using passive voice 1. --When was … invented? --I think it was invented in… 2. I think … was invented before/after… 2. To listen and talk about what inventions are used for using passive voice What is/are … used for? It is/they are used for... 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. Chinese four great ancient inventions compass Paper making gun powder printing Do you know these inventions ? telephone TV（television) cars computer Do you know when these inventions were invented? You can discuss! Pre-listening Look at the things below. In what order(顺序） do you think they were invented? Discuss them with your group. Then number them [1-4]. 1a 2 3 1 4 I think the … was invented before / after ... Well, I … Express your opinion: I think the TV was invented before the car. Well, I think the TV was invented after the car. I think the telephone was invented before the computer. Well, I agree with you. 年份的读法： 1.两个数字一组，分为前后两组 1864 eighteen sixty four 2020 twenty twenty 2.千年的读法： 2000 two thousand 2001 two thousand and one 3.前两个数字不为零，后两个数字为零 1800 eighteen hundred 1900 nineteen hundred Can you read them? (PK) 1876 1885 1927 1971 eighteen seventy six eighteen eighty five nineteen twenty seven nineteen seventy one Listening Listen and match the inventions with the years. 1b ___ 1876 ___ 1885 ___ 1927 ___ 1971 d a c b 一般过去时的被动语态： was/ were + 及物动词-ed形式 Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. 1c When was the ... invented? I think it was invented in .... Pair work When was the car invented? It was invented in 1885. When was the TV invented? It was invented in 1927.