【正文】
Unit 6 When was it invented? The First Period Section A(1a2d) 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [14](1=first, 4=last). A:I think the TV was invented before the car. B:Well, I think the TV was invented after the car. 1 2 3 4 1b Listen and match the inventions with the years. ______ 1876 ______ 1885 ______ 1927 ______ 1971 d a c b 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. hot icecream scoop, runs on electricity shoes wi