Module 9 Great inventions Unit3 Language in use 课件（26张PPT）

Module9 Great inventions（發明） Unit3 Language in use Great inventions （發明） In the past In the future Today Let's Review Paper was created by Cailun about 2000 years ago.After this invention,people started to write on paper to make books.But books were only produced one at a time by hand.As a result,there were not many books. Printing was invented by people during the Sui and Tang Dynasties .Later the development in it make it possible to produce books more quickly What do you think of the books in ancient time（古代 )? Let's predict What do you think of the books today? price quality（質量） {5C22544A-7EE6-4342-B048-85BDC9FD1C3A} In the past ,knowledge was spread around the world by books. Books were very _____,because each one _____by hand. Today books are produced _____. They are_____ , _____ and easy to get hold of. Let's listen Books in the past Books today {5C22544A-7EE6-4342-B048-85BDC9FD1C3A}The early books are too _____to ___ ____ ___ and held in the hand. Problem: expensive was written quickly light cheap valuable be picked up {5C22544A-7EE6-4342-B048-85BDC9FD1C3A} In the past,knowledge was spread by books.They were very _____,because each one _____ _____by hand Today books are produced _____. They are_____ , _____ and _____ to get hold of. Let's listen Books in the past Books today {5C22544A-7EE6-4342-B048-85BDC9FD1C3A}They were copied onto the _____. Then you can turn the pages on it. Solution: expensive was produced quickly light cheap easy computer Western great inventors: 1875 America Bell 1903 America Wright Brothers Baird Britain 1924 A:When was the plane invented? B:It was invented in... A:Where was it invented? Let's practice B:It was invented in... A:Who invented it? B:It was invented by .... Past inventions Great inventions In the past Today What kind of phone/plane/TV is invented today? .... is invented today. Inventions today mobile phone UVA(無人機) LCD TV(液晶電視) 5G Different times , differet ways to learn. in the past at present in the future Let's learn grammar in the past Bamboo was used to learn knowledge Paper ___ ____(creat) to make books. Writing brushes___ ____(hold) to write. . was created were held Past was/were done Let's learn grammar Passive voice 被動語態 Our ways of reading ____ _____ (change) by e-books now. A large amount of information ___ ____(search) on the computer. Nowdays Ipaid is used for learning Past present am/is/are done is searched are changed Let's learn grammar Passive voice Walking school bags will carry us to school We ____ ___ _____（carry）by schoolbags to school. Homework problems _____ ___ _____(solve) by teacher robots A new kind of classroom _____ ____ _____ （use）to have classes. Past Present Future will be done will be solved will be carried will be used will do Robot teachers will solve homework problems Let's learn grammar We will use a new kind of classroom Passive voice past(過去) was/were done am/is/are done will be done present（現在） future（將來） Passive voice Ten ... ...