Lesson 21 Books or computers课件 -2024-2025学年冀教版（2012）八年级英语下册

Lesson 21 Books or Computers ？ The Four Great Inventions of Ancient China Papermaking 造纸术 Movable-type Printing 活字印刷术 Compass 指南针 Gunpowder 火药 In ancient times, around the Shang Dnnasty, people used animal bone to record things. Later,during the Warring States period and Qin Dynasay, silk and silk fabrics(帛) were used for recording. After that, starting from from the Western Han Dynasty, paper gradually became a popular choice for recording. Cai Lun improved paper - making in the Eastern Han Dynasty, which made paper even more widely used. Nowadays, in the modern digital age（现代数字时代）, we mainly use electronic devices（设备）like computers and mobile phones to record and read. Reading Task 1 Read the whole passage quickly and find out the main idea of the passage. It usually comes at the beginning or the end The passage tells us to _____________________ whatever we have. keep on reading Reading Task 2 Read quickly and find out the topic sentence of each paragraph. Then do the Class Activity. It usually comes at the beginning or the end Reading Task 3------read for details 1. Read the first para. and answer: How did people write books in the ancient times? 2. Read the second para. and answer: What made it possible to print books quickly? 3. Read the third para. and answer: What kind of books quickly changed people’s reading habits? Reading Task 4------read for thinking 1. Besides printing books quickly, what other contributions(贡献) do you think the printing press have made? The printing press did not only ______________quickly, but also made it __________ for __________________to read books. print books possible common people Reading Task 4------read for thinking 2. Why do people like to read e-books better now? Because it is _________ for people to _______________________________. And ______________ travels ____________________. easier buy and sell books online information faster and father Most importantly, people can read _________________. everywhere Reading Task 5------read for retelling In ancient times, people __________ their knowledge _____ telling stories. Later, people learned how to write and make paper. Then _____ modern technology, it was __________ to print books quickly. Recently, computers and the Internet changed the world again. E-books are quickly changing people’s _____________. Information _______ faster and farther. passed on by with possible reading habits travels Discuss： Which do you like better? Books or E-books？ Nowadays, we have two popular ways to read: e - books and paper books, each with its own features. E - books are digital(数字的). You can read them on your phone or tablet. They are really convenient. With an e - book app, you can carry a whole library in your pocket. It only takes a few seconds to download a new story. Besides, you can change the font size（字体大小） to make it easier to read. Paper books, on the other hand, offer a different experience. There's something nice about holding a real book, feeling the pages, and smelling the ink. They don't need batteries（电池）, so you can read them anywhere, like on a long flight. E - books are great for quick reads and saving space. Paper books are perfect for relaxing and enjoying a classic. So, next time you want to read, think about what you're in the mood for! $$