冀教初中英语八下《Lesson 21 Books or Computers》PPT课件 (2).ppt

Unit4 The Internet Connects Us,Lesson 21: Books or Computers?,Warm-up,1,Presentation,2,Language Points,3,Exercise,4,Warm-up,Free talk,How can we get knowledge?,By talking with othersBy watching TVBy reading booksBy reading e-books,by hand 用手；手工keep on 继续,In ancient times, peoplewrote each word_.To write one book, they usually _writing for a long time.,Words and phrases,by hand,kept on,Presentation,Learn some new words,This is a _.With _ technology, it was possible to _ knowledge.,modern adj.现代的printing press 印刷机pass on 传递by hand 用手；手工keep on 继续,printing press,modern,pass,on,Words and phrases,But now a new kind of books _:the _book(e-book). It is easier for people to buy and _ online.,Words and phrases,appeared,electronic,sell,morden adj.现代的printing press 印刷机pass on 传递,appear v.出现electronic adj.电子的sell v.出售printing press 印刷机pass on 传递by hand 用手；手工keep on 继续,Read the passage 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 and 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 _.,Information,by hand,long,write,down,far,paper,When the printing press _, it changed the world. The _ printing press can print books _, and makes it possible for the _ person to have _ access to read books.,Printing press,appeared,modern,quickly,common,easy,_ 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 _.,Internet,electronic,bought,sell,online,Computers,Read the lesson 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, people began to write down stories.,3,5,6,1,4,2,7,Work in groups,Do 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，没有书，人们通过通过讲故事传递知识。by是介词，后面可以加名词或动名词短语，意为“通过方式（途径）”。如： I learn English by listening to tapes. 我通过听磁带学英语。,Language points,2. It took a long time to write just one book. 仅仅写一本书就要花费很长一段时间。句型It takes sb. some time to do sth. 意为“某人花费多长时间做某事”，it是形式主语，真正的主语是动词不定式“to do sth.”；take 随时态改变，本句用的是一般过去时态，所以用took。如：It took me two hours to clean my house yesterday. 我昨天用了两个小时打扫房子。,I. 根据所给汉语提示，完成下列句子。1. A computer is a useful _ (机器).2. There are two _ (印刷) presses in our school.3. What's the meaning of the second _ (段落) in the text?4. _ (哪一条) way shall we go?5. I bought a book about _ (现代的) history yesterday.,modern,machine,printing,paragraph,Which,Exercise,II. 用所给单词的适当形式填空。1. I think the Internet is _ (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 important,was written,quickly,thousands,III. 连词成句。1. 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 sound,The model plane was made by hand,How did you get the information,Please answer the questions in English,The Internet lets people search for information quickly,Homework:,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.),