Unit 9 When was it invented?When was it invented? No. 11 Middle SchoolPeriod 2把下列句子变成被动句1. Bell invented the telephone.2. Tom bought some books yesterday.The telephone was invented by Bell.Some books were bought yesterday.3. They visited the city last year.4. Mr Green often invites me to his house.5. People all over the world love football.The city was visited by them last year.I am often invited by Mr Green to his house.Football is loved by people all over the world.calculator1b: listen and match the inventions and the dates._____ 1876_____ 1885_____ 1927_____ 1971_____ 1976daecb Look at the following conversation. Make conversations with your partner.A: What’s this called in English ？B: It’s called a TV.A: Is it an invention?B: Yes, it is.A: When was the TV invented?B: It was invented in 1926A: Who was it invented by?B: It was invented by Baird.T: What’s this called in English ？S: It’s called a telephone.T: Is it an invention?T: When was the telephone invented?S: It was invented in 1876.T: Who was it invented by?S: It was invented by Bell.S: Yes, it is.calculator1885Henry Ford19711927CrayBill HewlettBaird1927Bell18763212a: listen and number the inventions in the order that you hear them.2b: listen again and match the items in columns A,B and C.changing the style of a shoeJulie Thompsonheated ice cream scoopseeing in the darkJayce Coziar and Jamie Ellsworthbattery-operated slippersscooping really cold ice creamChelsea Lanmonshoes with adjustable heelsWhat is it used for?Who was it invented by?invention
