Unit 4 The Internet Connects Us.Lesson 21 Books or Computers?教案

Lesson 21 Books or computers？ 【Teaching aims】 Knowledge and Ability Objects （1）Learn the key words and phrases. press, appear, modern, electronic, sell (sold/sold). pass on, by hand, printing press, keep on. （2）Know the history of books. 2. Method Objects in Teaching Master the reading strategies, improve the reading skills. (1) Skimming, know the main ideas of the passage. (2) Scanning, find out some details to fill in the blanks. Sensibility and Value Make students love reading books, and keep on reading all the times in their lifetime. 【Teaching Key Points and Teaching Difficulty 】 Teaching Key Points （1）Key words and phrases in this lesson （2）Talk about the history of books Teaching Difficulty Talk about the importance of the printing press and the Internet. 【Teaching arrangement】45minutes 【Teaching aids】multimedia 【Teaching methods】the task-based teaching method, autonomic learning method, cooperative learning method 【Teaching procedures】 Step Ⅰ Leading in Have a free talk. Show the perform of Dashuhua. And make students have interest in history. Then talk about the history of books. 【设计意图:】视频印象深刻，激起学生学习的兴趣。Step Ⅱ Scanning Paper With paper, people began to their stories. People wroteeach word _____. It took a long time to write one book.I_____ couldn’t travel far. Printing press When the printing press a_____, it changed the world. The m_____ printing press can print books , and makes it possible for the c_____ person to have easy access to read books. Internet Computers and the Internet changed the world. They made it possible for a new kind of book: the e_____ books. Traditionally books could only be bought and sold at the store, but today you can buy and s_____ books online. 【设计意图:】运用寻读法,引导学生从文中获取所需信息,引导学生对于重点单词和短语识记并在语境中运用。 Step Ⅲ Skimming Skim the passage, know the main ideas. Grasp the main structure of the passage. And finish the tasks. Task 1 判断正误(“T” or “F”) ( )1. In ancient times, people wrote books by printing press. ( )2. With modern technology, it was possible to print books quickly. Task 2 完成句子Complete the sentences 1._____are quickly changing people's reading habits. 2. Recently, ____ _____ _ changed the world again. Task 3 回答问题 What made it possible to print books quickly Task 4 找出文章的主题句 Task 5 英译汉 No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading! 【设计意图:】运用略读法整体感知课文,找到每一段的中心思想,把握文章的总体结构。请学生找到是哪些词汇或句子帮到了他,在文本中用笔划出答案。对学生进行阅读策略指导,文章的主旨句一般出现在首段或尾段,每一段的中心句大多在段首或段尾。 StepⅣ Careful reading Put the sentences in the correct order. ( ) It took a long time to write just one book. ( ) It made it possible for common people to read books. ( ) The e-book appeared. ( ) People had no books, and they shared knowledge by telling stories. ( ) The printing press appeare ... ...