unit9第一课.ppt

A: When was the _______ invented? B: I think it was invented in ______. A:who was it invented by? B: it was invented by _________. What’ s the car used for? The car is used for traveling. Grammar Focus (P69) The passive voice 被动语态 在被动语态的句子中, 谓语部分的结构是be + 过去分词。被动语态的句子的时态、人称变化反映在be动词上。 一般现在时 am / is / are ＋ 过去分词一般过去时 was / were ＋ 过去分词 含有情态动词的被动语态： 情态动词＋be ＋过去分词 A: Look! This looks so interesting! B: Ah, it’s a great invention of China. A: Really? When ______ it _________? B: I think it ______ _________ in Han Dynasty. (汉朝) A: What ______ it ______ for? B: Guess! A: ______ it ______ for holding water? B: No. It _____ ______ for testing earthquakes. A: Wow, it’s really amazing! * * Section A light bulb invention Edison inventor Edison invented the light bulb. was invented by . The light bulb Edison It was invented in 1879. Bell invented the telephone. ___________ was invented by ___. The telephone Bell Karl Benz invented the car. ______ was invented by _______. The car Karl Benz 1810 Stephens 1907 Wright Brothers A: I think the telephone was invented before the car. B: Well,I don’t agree with you. I think the telephone was invented after the car. B: Yes, I agree with you. calculator Discuss: 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 d a b e c Pairwork (1c:P68) Steve Jobs 1976 1876 Bell 1885 karl Benz 1927 John Baird 1971 Bill Hewlett 1976 Steve Jobs 1907 Wright brothers A: What is the ________ used for? B: It is used for _______. (count) A:When ___the calculator_______? B: I think it __________ in 1876 counting. was invented was invented calculator Pair work: seeing in the dark Talking with people looking for more information relaxing high heels shoes with adjustable heels scoop ice cream heated ice cream scoop battery slippers battery-operated slippers 2a Listen and number t