陕西省陇县东风中学八年级英语下册《Lesson 21》导学案（无答案） 北师大版.doc

lesson21【学习目标】1.学习一些与书籍发展史有关的词汇:press.appear.modern.eletronic2.运用所学知识介绍自己了解的书籍的发展情况【重难点预测】重点：phrase:by hand.it takes/tookto do.keep on doing.passon难点：介绍书籍的发展情况【学习流程】、预习检测根据汉语提示完成单词1.the computer _(出现 ) and changed the world2.with _( 现代的 ) technology,iy was possible to prink books quickly3.it was also possible for _( 普通的 ) people to read books4.its easy for people to buy and _(卖) anything online5.a new kind of book appearted , the _( 电子的 ) book (e-book )ii.自主探究我能多读课文,完成exercise 1 on page 55、合作交流精析句子1.in ancient times, there were no books , and people passed on their knowledge by telling stories在古代,由于没有书用,所以人们只能通过讲故事来传递他们的知识(1)pass on 意为_,如pass on the book把书传递下去(2) by + v-ing意为以的方式如:they learn english by reading english everyday跟踪训练:let us _ to the next subjecta.pass b.pass by c.passing d.pass onyou start the car _ turning this keya.in b.by c.with d.for2.it took a long time to write just on book 花了很长时间写了一本书it takes/took sb.+ 时间to do sth 花费某人多长时间做某事跟踪训练:昨天花费了我3小时步行去公园it _ me three hours _ _ to the park yesterday拓展:(1)cost 花费sth/doing sth.cost sb. + 钱数某物/做某事花某人钱(2)spend 花费,其过去式为_ sb.spend time /money on sth sb.spend time/money doing sth某人化时间在某事上/做某事跟踪训练: the book _ me 20 yuana.costs b.cost c.takes d.spendsmy lister sister _ 100 yuan buying toysa.takes b.costs c.spend d.spends、知识梳理英汉互译1.by hand 2.pass on43. printing press 4.继续做某事5.写下 6.讲故事7.越来越快 8.无论什么9.keep on reading 10.change peoples reading rabits、课堂检测根据首字母提示填空1.i waited for my friend for an hour , but he didnt a_2.with m_ technology, we can print books quickly3.information travels faster and f_4.no m_what you say完成句子1.we _ _(传递 ) message by e-mails now2.in ancient time, people made everything _ _(手工 )3.when did the _ _(印刷机 ) appear ?4.lets _ _ _ (继续读 ) the story5.he _ _(写下 ) the story of accident (事故 )单选1.we cant _ too much time chatting with friendsa.take b.spend c.cost d.use2._ accient times, people made a living _ huntinga.in;in b.at;in c.in;by d.in;with、拓展延伸句型转换1.he spent 20 minutes telling the story (改为同义句 )_ _ him 20 minutes _ tell the story2.he continued reading the book half an hour (改为同义句 )he _ _ _ the book half an hour3.maybe we wont read e-books in the future ( 同义句改为 )it _ _ _ for us not to read e-books in the future完成句子1.信息流通越来越快,越来越深远information travels _ and _2.在古代没有书,人们通过讲故事传递他们的知识_ ancient times , there were no book, and people _ their knowledge _ _ stories3.花费很长的时间只写一本书it _ a long time _ _ just one book4.接着,印刷机出现了,并改变了世界then,the _ _ appeared and _ the world5.人们在网上购买和销售书籍更容易了its _ for people _ _ and