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八年级下册教学设计Lesson21 Books or computes?Learning aims：1.Develop reading skills of scanning ,skimming andreading for details in reading activities.e some words and sentences learned in class，like inancient times，pass on, by hand, appear, sell /sold/sold,to express themselves3.Develop independent thinking, communicative andcooperative abilities in pair or group work.4.Know about the history of the book and keep on reading. Learning tools：PPTLearning steps：Step1：Lead-in：Talk about the two questions.1.What can you do on computer？2.How do you use the Internet？(通过讨论问题复习前面所学内容，同时导入新课。
) Step2：Think about and talk about the Think About It questions.（讨论Think About It！问题引入。
并吸引学生对本课话题的兴趣）Step3：PresentShow some pictures about a printing press, a shop of selling fruits and vegetables and an e-book and ask and answer. （learn and master some important words: press、modern、appear、sell/sold/sold）Step4：Fast reading and match the main ideas.Paragraph1 keep on readingParagraph2 Paper booksParagraph3 the printing pressParagraph4 computer and the Internet（培养学生跳读能力。
Unit4 Lesson21 优质课教案（河北省）省优一、Analysis of teaching materials这是第四单元第三课阅读课，围绕books or computers 展开话题。
阅读是一个单元语言输入较为集中的环节，阅读中的教学活动主要围绕阅读材料本身的内容展开。
阅读后的活动旨在让学生通过完成问题、辩论和语言难点的学习等形式进一步加深对文章的理解。
同时，通过本课阅读的学习，教育学生做一个爱读书的人，并且通过对中国古四大发明的了解，热爱我们的祖国。
二、Analysis of students初二学生已具备一定的英语语言表达能力，所以教师可以设计一些学生自主表达的环节，比如与本课内容有关的话题讨论等，但因为学生基础稍差的实际情况，语言准确性会差些，教师要及时引导。
三、Learning aims1 Knowledge aimNew words and phrases: appear, modern, electronic, sell(sold,sold), press pass on, by hand, printing press, keep on2 Ability aimCultivating students’ reading ability and using English to express themselves.3 Emotion aimKeep on reading and know more about the history of China.四、Teaching and learning methodsReading instruction.五、Teaching processStep 1 Lead in.Choose several students to guess what we will talk about according to title of today’s lesson.Step 2 Quick readingOpen the book and read the text quickly for the first time. Students need to finish only one question:What’s the main idea of thi s passage?（此环节是让学生初读课文，目的是训练快速阅读技巧，学生以较快的速度完成阅读，迅速找到答案，为后面的进一步学习奠定基础。
Lesson 21 :Books or Computers?一、Teaching content:（教学内容）1.New words and phrases:press,appear,modern,electronic,sell,pass on,by hand, printing press,keep on,write down,thousands of.2.Understand the meaning of text.3.Talking about the books how to develop.二、Teaching goals：（教学目标）1. Master the new words and phrases,understand the meaning of text.2.Talking about the books how to develop.3.Ask the students to discuss how to read in computer or other ways in the future?三、Key points:（重点）Master the new words and phrases,understand the meaning of text. Talking about the books how to develop.四、Difficult points:（难点）Ask the students to discuss how to read in computer or other ways in the future?五、Teaching aids:（教学辅助）multimedia.六、Type of the lesson:（课程类型）New lesson.七、Teaching procedure：（教学过程）Step 1.Analysis of the student.(学生分析) .Review:In last lesson,we learned the computer is very helpful,and we must learn to use the computer,we can learn something interesting things from the Internet.In this lesson,we will learn how the information to travel?from books or computers more easier?Step 2. Lead in.（引入）Greet the students in English and make sure they can response correctly. Do the duty report: a student on duty can say whatever he/she likes to say. Come to “Think about It!”How many books have you read this year? Do you read e-books?Do you like them?Step 3. New lesson.（新课）No. 1 prepare lessons before class. Come to the vocabulary.Teach the new words and phrases.make sure the students can read it correctly and use it.1. The computer appeared ( 出现) in 20th century.2. Modern( 现代的) technology has changed our lives.3. The boy is reading a new electronic ( 电子的) book in his bedroom.4. Jenny wants to sell( 卖)her old car to Danny for 800 dollars.5. How much did they pay for the new press ( 印刷机)?No. 2 Listen the passage and answer the questions.1.How did people pass on their knowledge without books in ancient times?By telling stories2.What made it possible to print books quickly?The printing press.3.What kind of books quickly changed people’s reading habits?The electronic books(e-books).No.3 ThinkingWe know that three things have important influence on the development of books by reading. What are they?First ,it is the invention of paperSecond, the printing press appeared.Third, the computer and the Internet were invented.No.4 ReadingText:Give them some time to read the text themselves. Then let them fill in the blanks.1.With paper, people began to write down their stories. People wrote each word by hand . It took a long time to write one rmation couldn’t travel far .2.When the printing press appeared, it changed the world. The modern printing press can printbooks quickly, and makes it possible for the common person to have easy access to read books.puters and the Internet changed the world. They made it possible for a new kind of book: the electronic books. Traditionally books could only be bought and sold at a store, but today you can buy and sell books online .No.5 Work in groupsWhich invention do you think is more important –the printing press or the internet ? Why? Talk with your members in your group.No. 6: Summary and ExtensionWhatever you have, a computer, a tablet, a laptop or an e-reader, keep on moving! Never give up! Love reading is a life-long good habit, which helps your development. Choose good books to read! Let’s enjoy some.1.Break rolls of reading,Writing if there is God.读书破万卷，下笔如有神。
Lesson 21: Fun at the Zoo动物园里的乐趣◆课文英汉对照THINK ABOUT IT! 想一想！Have you ever been to the zoo?你曾经去过动物园吗？What animals can people usually see in the zoo?人们在动物园里通常会看到哪些动物？What signs do Danny, Brian and Jenny see in the zoo?丹尼、布莱恩和詹妮在动物园里看到了什么标志？At a quarter to eleven on Saturday, Brian, Jenny and Danny arrive at the zoo. 星期六10点45分，布莱恩、詹妮和丹尼到了公园。
At eleven o’clock, the zoo is open. They go through the entrance.11点，动物园开门。
他们从入口进去。
They see a sigh.他们看到了一个标志。
图片译文：Danger!危险！Do not feed the animals!不要喂动物！No Photos禁止拍照Danny: Why can’t we take photos?The three friends have a very good day. They visit all kinds of animals. But now it’s time to go 三位朋友度过了快乐的一天。
他们看来各种各样的动物。
但是现在到了回家的时候了。
home.LET’S DO IT! 做一做！In a group of three, act out a trip to the zoo. Each group member takes one of the three roles 三人一组，来表演动物园之行。
每个小组成员选取三个角色中的一个（布(Brian, Jenny or Danny). Try changing the story. Be creative!莱恩、詹妮或丹尼）尝试把故事改改。
Lesson 21: Fun at the Zoo动物园里的乐趣◆课文英汉对照THINK ABOUT IT! 想一想！Have you ever been to the zoo?你曾经去过动物园吗？What animals can people usually see in the zoo?人们在动物园里通常会看到哪些动物？What signs do Danny, Brian and Jenny see in the zoo?丹尼、布莱恩和詹妮在动物园里看到了什么标志？At a quarter to eleven on Saturday, Brian, Jenny and Danny arrive at the zoo. 星期六10点45分，布莱恩、詹妮和丹尼到了公园。
At eleven o’clock, the zoo is open. They go through the entrance.11点，动物园开门。
他们从入口进去。
They see a sigh.他们看到了一个标志。
三位朋友度过了快乐的一天。
他们看来各种各样的动物。
但是现在到了回家的时候了。
LET’S DO IT! 做一做！In a group of three, act out a trip to the zoo. Each group member takes one of the three roles三人一组，来表演动物园之行。
每个小组成员选取三个角色中的一个（布(Brian, Jenny or Danny). Try changing the story. Be creative!莱恩、詹妮或丹尼）尝试把故事改改。
发挥想象力！◆重点难点详解1. Have you ever been to the zoo? 你曾经去过动物园吗？have been to 表示“去过某地”。
后接表示地点的副词时，to省略。
● Have you ever been to Beijing？你曾经去过北京吗？了什么标志？sign n. 意为“记号，招牌，标志”。
