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1、Unit 4 The Internet Connects UsLesson 21 Books or Computers?pressappearmodernelectronicselln. 印刷机；新闻界印刷机；新闻界v. 出现；呈现；来到出现；呈现；来到adj. 现代的；新式的现代的；新式的adj. 电子的电子的v. 卖；出售卖；出售Words and expressions Do you read e-books? Do you like them? How many books have you read this year?Lead inPKe-bookspaper books Lang
2、uage points1. People passed on their knowledge by telling stories. 人们通过讲故事来传播知识。人们通过讲故事来传播知识。 pass on 传递；前进；去世传递；前进；去世 What sort of values do you want to pass on? 你想把什么样的价值观传递给下一代？你想把什么样的价值观传递给下一代？ He passed on at the age of 72. 他他72岁时去世。岁时去世。2. They wrote each word by hand. 他们用手来写每个单词。他们用手来写每个单词。by
3、 hand 用手；手工用手；手工He moved the huge stone by hand.他用手移动了那块大石头。他用手移动了那块大石头。We arranged lead letters by hand before a newspaper was printed.在报纸印刷以前，过去是用手工排铅字的。在报纸印刷以前，过去是用手工排铅字的。3. Then, the printing press appeared and changed the world.然后，印刷机出现了并改变了世界。然后，印刷机出现了并改变了世界。printing press 印刷机印刷机The newspaper
4、is the most novel product of the printing press.报纸是印刷机制造的最新奇的产品。报纸是印刷机制造的最新奇的产品。press n. 压；按；新闻；出版社压；按；新闻；出版社He felt the press of modern life.他感觉到了现代生活的压力。他感觉到了现代生活的压力。Perhaps we really should be reflecting on another sacred liberty: the freedom of the press.也许我们真正应该反思的是另一个神圣的也许我们真正应该反思的是另一个神圣的自由：新闻
5、自由。自由：新闻自由。v. 压；按压；按Drago pressed a button and the door closed. 德拉戈按了一个按钮，门关上了。德拉戈按了一个按钮，门关上了。Press this button to start the engine.要开动发动机就按这个按钮。要开动发动机就按这个按钮。appear vi. 出现；呈现；来到出现；呈现；来到When night falls, stars appear.夜晚来到时星星出现。夜晚来到时星星出现。He is anxious to appear a gentleman. 他急于表现得像一位绅士。他急于表现得像一位绅士。A w
6、oman appeared at the far end of the street. 一个女人在街那端出现了。一个女人在街那端出现了。4. With modern technology, it was possible to print books quickly.使用现代技术能快速打印书。使用现代技术能快速打印书。It is/was+ adj.+ to do sth.做某事是做某事是的的(It作形式主语，真正的主语是作形式主语，真正的主语是to do sth.)It is very interesting to learn English.学英语很有趣。学英语很有趣。若形容词是描述不定式行
7、为者的若形容词是描述不定式行为者的性格、品性格、品质质的，如的，如kind/ good/ nice/ right/ wrong/ clever/ careless/ polite/ foolish等，等，用用of sb.。Its very kind of you to help me.你能帮助我真好。你能帮助我真好。若形容词仅仅是若形容词仅仅是描述事物描述事物，用用for sb.，这类，这类形容词有形容词有difficult/ easy/ hard/ important/ dangerous/ impossible等。等。 Its very difficult for me to get up
8、 early in the morning.早上早起床起对我而言很困难。早上早起床起对我而言很困难。5. No matter what you havekeep on reading.不管你有什么，继续阅读。不管你有什么，继续阅读。keep on 继续继续 They run after me. I dont look back at them and keep on running.他们在后面追我，我没有回头看，继续跑。他们在后面追我，我没有回头看，继续跑。The important thing is to keep on top of industry trends, and stay in
9、formed.重要的事情是保持行业趋势的优势，并且消重要的事情是保持行业趋势的优势，并且消息灵通。息灵通。Lets Do It!1 1Read the lesson and answer the questions.1. How did people write books in ancient times? People wrote down their stories with paper. They wrote each word by hand.2. What made it possible to print books quickly? Modern technology made
10、 it possible to print books quickly.3. What kind of books quickly changed peoples reading habits? E-books. Read the lesson and put the sentences in the correct order.The History of the Book( )It took a long time to write just one book.( )It made it possible for common people to read books.( )The e-b
11、ook appeared.3562 2( )People had no books, and they shared knowledge by telling stories.( )The printing press appeared.( )People download books from the Internet.( )With paper, people began to write down stories.1247Fill in the blanks. The first letter is given.1. With paper, people began to write d
12、own their stories. People wrote each word by hand. It took a long time to write one book. I_couldnt travel far. nformation3 32. When the printing press a_, it changed the world. The m_ printing press can print books quickly, and makes it possible for the c_person to have easy access to books.ppeared
13、odernommon3. Computers and the Internet changed the world. They made it possible for a new kind of book: the e_ book. Traditionally books could only be bought and sold at a store, but today you can buy and s_books online. lectronicell pass on by hand printing press keep on传递；前进；去世传递；前进；去世用手；手工用手；手工印刷机印刷机继续；保持继续；保持Which invention do you think is more importantthe printing press or the Internet?(Write a short passage and give at least three reasons to support your choice.)HomeworkThank you!
