(
课件网) Section A(1a—2d) UNIT 1 When was it invented 第 1 课 时 学 习 目 标 1 听并用被动语态谈论重要的发明及其历史 (1)—When was … invented —I think it was invented in… (2) I think … is invented before/after… 听并用被动语态谈论发明物的用途 What is/are … used for It is/they are used for... 2 Amazing Chinese inventions paper-making 造纸术 printing [ pr nt ] 印刷术 compass [ k mp s] 指南针 gunpowder [ ɡ npa d (r)] 火药 [ n ven nz] Do you know what these inventions are telephone TV car Do you know who these inventors are Karl Benz 卡尔·奔驰 Alexander Bell 亚历山大·贝尔 J. L. Baird 贝尔德 [ n ven nz] [ n vent z] Can you match the inventions with the right inventors [ n vent z] The first telephone was invented (by Bell) in 1876. Bell invented the first telephone in 1876. Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. The first television was invented (by J. L. Baird) in 1927. J. L. Baird invented the first TV in 1927. Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4]. 2 3 1 4 1a A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. Talk with your partner. A: I think the calculator was invented before the computer. B: Well, I think the calculator was invented after the computer. 一般过去时的被动语态 一般过去时的被动语态： was/ were + 及物动词的过去分词 1.I think the TV was invented before the car. 我认为电视是在小汽车之前被发明的。（教材第1页，1a) （1)一般过去时的被动语态 was invented 为一般过去时的被动语态结构。 一般过去时的被动语态的构成为“was/were+及物动词的过去分词”。 The flowers were planted last year.这些花是去年（被）种植的。 （2) invent 〔及物动词〕发明 inventor 名词，意为“发明家”；invention名词，意为“发明”。 Edison, a great inventor, invented many great inventions during his life. 爱迪生，一位伟大的发明家，在他的一生中有许多伟大的发明。 指创造出以前从未有过的东西。 [ n vent d] [ n vent (r)] [ n ven n] （3)辨析：invent 与 discover invent discover 发明 发现 指创造、发明出新的、原来没有的东西， 常用于被动语态 指发现或偶然发现原本就存在的， 但一直没有被认识或不为人知的东西 Who invented the light bulb 谁发明了电灯泡？ The girl discovered a book under the bed.这个女孩在床下发现了一本书。 [d sk v (r)] Listen and match the inventions with the years. d 1876 1885 1927 1971 a c b 1b When was the ...invented a b c d 一般过去时的被动语态： was/ were + 及物动词的过去分词 两个数字一组，分为前后两组 1 1865 eighteen sixty five 1989 3 四位数字，后两个数字为零时。 eighteen hundred 1900 4 非四位数的年份的读法 531 five hundred and thirty-one two thousand 2001 two thousand and one nineteen eighty nine nineteen hundred 2 千年的读法 年份的读法 Pair work 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. When was the telephone invented I think ... ...
