Unit 6 Section A 1a-2d课件 2023-2024学年人教版九年级英语全册

Section A 1a-2d paper-making(造纸术) Paper was invented by Cai Lun in 105. Four Great Inventions printing gunpowder compass The four great inventions were invented by Chinese. 3 抢答比赛:看你知多少? paper making Wright Brothers 1879 (造纸术) ( 莱特兄弟) plane Steve Jobs A.D.105 (斯蒂夫.乔布斯) iPad Cai Lun 1903 light bulb Thomas Edison 2010 (电灯) (托马斯.爱迪生) inventions inventors time (发明) (发明者) (时间) Make sentences! plane Wright Brothers 1903 A. Wright Brothers _ Sentences: invented the plane in 1903. B. The plane _ was invented by Wright Brothers in 1903. iPad Steve Jobs 2010 A. Steve Jobs_ Sentences: invented the iPad in 2010. B. The iPad_ was invented by Steve Jobs in 2010. light bulb Edison 1879 A. Edison_ Sentences: invented the light bulb in 1879. B. The light bulb_ was invented by Edison in 1879. The simple past passive voice 一般过去时被动语态 一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作,与主动语态相比,被动语态中主语是谓语动作的执行者。 被动语态的构成: 助动词was/were+ (及物动词的) 过去分词 was (were) + done Grammar Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主动语态变被动语态的结构图: 主语 谓语动词 过去式 宾语 时间状语 主语 谓语动词的 过去分词 宾语 时间状语 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them[1-4] (1=first, 4= last) 4 2 1 3 两个数字一组,前后两组 1 1865 eighteen sixty five 1989 3 前两个数字不为零,后两个数字为零。 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 年份读法 1b Listen and match the inventions with the dates. _ 1876 _ 1885 _ 1927 _ 1971 d a c b a b d c 12 1c 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. A: When was the telephone invented? B: I think it was invented in 1876. 【语境应用】用invent, find或discover的适当形式填空。 1) Who _ the first mobile phone? 2) Susan _ her purse under the bed yesterday. 3) Who _ this kind of metal first? invented found discovered 2a Listen and number the inventions [1-3]