Unit 9When was it invented?（The 1st Lesson）Bell invented the telephone in 1876.主动语态主动语态The telephone was invented by Bell in 1876.被动语态被动语态When was the telephone invented (by Bell)?52413A: I think the calculator was invented before the computer.B: Well, I think the calculator was invented after the computer.hand-held calculator1b. Listen and match the inventions with the dates.abedc18761885192719711976dabecAlice: Life must have been difficult when you were a kid. Woman: Oh, not really. Why do you say that?Alice: Well, you didnt have many modern _. Like, you probably didnt have a telephone, right? Woman: Of course we did! How old do you think I am? _ in 1876.Alice: How about cars? I bet _ yet. Woman: Sure they were. _ in 1885. My family had a car. I think you need to take a history class, Alice.inventionsThe telephone was invented cars werent invented Cars were invented Alice: Ha, ha! Well, did you have a TV?Woman: No, we didnt. _ around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldnt afford one.Alice: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school that _ _ in 1971 and _ in 1976.Woman: Youre right. I didnt have those things when I was young. But I do now!The TV was invented hand-heldcalculators were invented personal computers were invented The abacus was invented in the sixth century by Chinese people.abacus:in the 6th centuryby Chinese peopleMake up sentencesThe umbrella was invented about 4000 years ago in Assyria, China and Egypt.umbrella:about 4000 years agoin Assyria, China, EgyptMake up sentencesThe binoculars were invented in 1854 by Ignatio Porro in Italy.binoculars:1854by Ignatio Porro in ItalyMake up sentencesThe camera was invented in 1827 by Joseph Nicephore.camera:1827by Joseph NicephoreMake up sentencesThe bicycle was invented in 1880s in England.bicycle:1880sin EnglandMake up sentences2a. Listen and number the inventions in the order that you hear.3122b.Listen again and match the items in columns.A: Who were shoes with adjustable invented by?B: They were invented by Jayce and Jamie.A: What are they used for?B: They are used for changing the style of the shoes.be used for doing sth. 被用来做某事被用来做某事be used to do sth. 被用来做某事被用来做某事2b.Listen again and match the items in columns.A: Who were battery operated slippers invented by?B: They were invented by Julie.A: What are they used for?B: They are used for seeing in the dark.2b.Listen again and match the items in columns.A: Who was ice cream scoop invented by?B: It was invented by Chelsea.A: What is it used for?B: It is used for scooping really cold ice cream.