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1、Lesson 21:Books or Computers?Learning aim:1.Learn about the history of the books.2.Know about the fountain of the printing press.Learning important points:1.Why is the printing press important?2.How did books change information?New words Press appear modern electronic sell Think About ItlHow many bo
2、oks have you read this year?lHave you ever read an e-book?Do you like them？Language Points1.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(dòng)名詞短語，意為“通過方式（途徑）”。如：I learn English by listening to tapes.我通過聽磁帶學(xué)英語。2.It took
3、a long time to write just one book.僅僅寫一本書就要花費(fèi)很長一段時(shí)間。句型It takes sb.some time to do sth.意為“某人花費(fèi)多長時(shí)間做某事”，it是形式主語，真正的主語是動(dòng)詞不定式“to do sth.”；take 隨時(shí)態(tài)改變，本句用的是一般過去時(shí)態(tài)，所以用took。如：It took me two hours to clean my house yesterday.我昨天用了兩個(gè)小時(shí)打掃房子。P2鏈接：鏈接：(1)spendon/in 意為“花費(fèi)”，主語是表示人的名詞或代詞，spend后接表示金錢或時(shí)間的詞，on后接名詞，in后接
4、V-ing形式，也可省略in。如：I spent twenty yuan on the dictionary.我花二十元錢買的這本字典。They spend one hour doing their homework every day.他們每天花費(fèi)一小時(shí)做作業(yè)。P1P3(2)cost意為“花費(fèi)”，主語是表示物的名詞或代詞，常用于“sth.cost sb.some money”。如：The pen cost me ten dollars.這支鋼筆花了我十美元。(3)payfor意為“為付款”，人作主語，常用pay some money for sth，pay的過去式和過去分詞為paid。如：M
5、y mother paid 30 dollars for her sweater.媽媽買這件毛衣花了三十美元。ExercisesI.根據(jù)所給漢語提示，完成下列句子。根據(jù)所給漢語提示，完成下列句子。1.A computer is a useful _(機(jī)器機(jī)器).2.There are two _(印刷印刷)presses in our school.3.Whats the meaning of the second _(段落段落)in the text?4._(哪一條哪一條)way shall we go?5.I bought a book about _(現(xiàn)代的現(xiàn)代的)history yes
6、terday.modernmachineprintingparagraphWhichII.用所給單詞的適當(dāng)形式填空。用所給單詞的適當(dāng)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 nu
7、mber,you could look it up in the book.forgot more importantwas writtenquicklythousandsIII.連詞成句。連詞成句。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 soundThe model plane was made by handHow did you get the informationPlease answer the questions in EnglishThe Internet lets people search for information quickly
冀教初中英語八下《Lesson 21 Books or Computers》PPT課件 (1)
