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1、Unit4 The Internet Connects UsLesson 21:Books or Computers?Warm-up1Presentation2Language Points3Exercise4Warm-upFree talkHow can we get knowledge?By talking with othersBy watching TVBy reading booksBy reading e-books by hand 用手；手工用手；手工keep on 繼續(xù)繼續(xù)In ancient times,peoplewrote each word_.To write one

2、book,they usually _writing for a long time.Words and phrasesby handkept onPresentationLearn some new wordsThis is a _.With _ technology,it was possible to _ knowledge.modern adj.現(xiàn)代的現(xiàn)代的printing press 印刷印刷機機pass on 傳遞傳遞by hand 用手；手工用手；手工keep on 繼續(xù)繼續(xù) printing pressmodern passonWords and phrasesBut now

3、a new kind of books _:the _book(e-book).It is easier for people to buy and _ online.Words and phrasesappearedelectronic sellmorden adj.現(xiàn)代的現(xiàn)代的printing press 印刷機印刷機pass on 傳遞傳遞 appear v.出現(xiàn)出現(xiàn)electronic adj.電子的電子的sell v.出售出售printing press 印刷機印刷機pass on 傳遞傳遞by hand 用手；手工用手；手工keep on 繼續(xù)繼續(xù) Read the passage

4、 and answer 3 questions.1.How did people pass on their knowledge without books in ancient times?2.What made it possible to print books quickly?3.What kind of books quickly changed peoples reading habits?By telling storiesThe printing press.The electronic books(e-books).Read Passage1,2 and 3 again an

5、d fill in the blanks.With paper,people began to _ _ their stories.People wrote each word _.It took a_time to write one book._couldnt travel _.Informationby handlongwritedownfarWhen the printing press _,it changed the world.The _ printing press can print books _,and makes it possible for the _ person

6、 to have _ access to read books.appearedmodernquicklycommoneasy_ and the Internet changed the world.They made it possible for a new kind of book:the _ books.Traditionally books could only be _ and sold at a store,but today you can buy and _ books _.electronicboughtsellonlineComputersRead the lesson

7、and 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 readbooks.The e-book appeared.People had no books,and they shared knowledge by telling stories.The printing press appeared.People download books from the Internet.With paper

8、,people began to write down stories.3561427Work in groupsDo you like reading paper books orelectronic books?Why?Talk withyour members in a group.1.In ancient times,there were no books,and people passes on their knowledge by telling stories.在古代，沒有書，人們通過通過講故事傳遞知識。by是介詞，后面可以加名詞或動名詞短語，意為“通過方式（途徑）”。如：I l

9、earn English by listening to tapes.我通過聽磁帶學(xué)英語。Language points 2.It took a long time to write just one book.僅僅寫一本書就要花費很長一段時間。句型It takes sb.some time to do sth.意為“某人花費多長時間做某事”，it是形式主語，真正的主語是動詞不定式“to do sth.”；take 隨時態(tài)改變，本句用的是一般過去時態(tài)，所以用took。如：It took me two hours to clean my house yesterday.我昨天用了兩個小時打掃房子

10、。I.根據(jù)所給漢語提示，完成下列句子。1.A computer is a useful _(機器).2.There are two _(印刷)presses in our school.3.Whats the meaning of the second _(段落)in the text?4._(哪一條)way shall we go?5.I bought a book about _(現(xiàn)代的)history yesterday.modernmachineprintingparagraphWhichExerciseII.用所給單詞的適當(dāng)形式填空。1.I think the Internet is

11、 _(important)than the printing press.2.The novel _(write)by Qiong Yao.3.We can find information _(quick)on the Internet.4.The machine can make _(thousand)of books a day.5.If you _ (forget)the telephone number,you could look it up in the book.forgot more importantwas writtenquicklythousandsIII.連詞成句。1

12、.hand,the,by,model,was,plane,made _.2.get,how,you,information,did,the _?3.the,answer,English,questions,in,please _.4.the,Internet,people,lets,quickly,information,search,for_.5.much,sound,travels,than,faster,light _.Light travels much faster than soundThe model plane was made by handHow did you get the informationPlease answer the questions in EnglishThe Internet lets people search for information quicklyHomework:Topic: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.)