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Unit6-When-was-it-invented?第一课时
When was it invented? Section A ( 1a—1c ) Do you know any inventions(n.发明)? inventor(n.发明家) invent(v.发明) ? 105 printing A: What is this? B:It is ... . paper about 1041 It was invented in ... How to read years1)两个数字一组,分为前后两组 1865年读作 eighteen sixty-five1998年读作 nineteen ninety-eight2)前两个数字为非“零”数字,后两位数分别为“零”。 1900年读作 nineteen hundred1800年读作 eighteen hundred 3)关于千年的一些读法.2000年读作 two thousand2008年读作 two thousand and eight1008年读作 one thousand and eight4)还有一些非四位数的年份 531年读作 five hundred and thirty-one 105 about 1041 . A:When was the ... invented( v. 发明)? B: It was invented in ... 一般过去时的被动语态: S+was/were+Vt p.p. Compass [?k?mp?s]11th Century gunpowder 9th Century A: When was the ... invented? B: It was invented in ... car in 1885 personal computer in 1971 A: When was the ... invented( v. 发明)? B: It was invented in ... A: When was the ... invented( v. 发明)? B: It was invented in ... telephone in 1876 TV in 1927 A: When was the ... invented? B: It was invented in ... 1b Listen and match the inventions with the years. _____ 1876 _____ 1885 _____ 1927 _____ 1971 d a c b 看图完成句子。 1. (1885, invented) Cars _______ _______ in 1885. 2. (around 1927, invented) The TV _______ _______ around 1927. were invented was invented 3. The personal computer ______ ______ ______ 1971. 4. The telephone _______ ______ ______ ______. was invented in was invented in 1896 (1971, invented) (1896,invented) Make a similar conversation with your partner using the 1b as a model. A: When was the TV invented? B: It was invented in 1927. A: Whom was it invented by? B: It was invented by Baird(贝尔德).
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