Module4Unit2讲学稿

1、Module 4 Unit 2讲学稿课型(Teaching model): Reading and Writing课时(Length of the lesson)：1 period (45)教法(Teaching method): Bottom-up approach学法(Learning approach): Discuss, Summarize教学目标(Teaching aims):德育目标：To research science and love science知识目标：To understand passages involving present perfect tense能力目标：

2、To learn a reading skill - Scanning To know the history about paper inventing教学重点(Main points):1. 现在完成时的被动语态和含有情态动词的被动语态can/may/must + be + 动词的过去分词have/has + been + 动词的过去分词2. Vocabulary and expressions: looks through, with without, be made of , be made from, put against, hold against, at the beginni

3、ng of, after that, in a way, compare. with. , rather than, be replaced by, be read online 教学难点(Difficult points):谈论已有的发明创造给人类生活带来的变化。学习过程课前准备1 在书上划出教学重点中的短语2 在课文中标出含有被动语态的句子。3 Work in pairs. Read the title of the passage. Discuss the advantages of both books and computers. Make a list of their advan

4、tages._4. Read the passage and finish the exercises in Activity2 : Match the main ideas with the paragraphs.5. 通过预习，你还存在哪些疑问？_语言点导学1. looks through 浏览，温习Eg. He looked through many books in order to find the correct answer. 为了找到正确答案,他查阅了许多书籍.2. with without 带有 / 没有eg. He found a house with many trees

5、 around. 他找到了一所周围有许多树的房子. He went to school without breakfast today. 他今天没有吃早饭就去上学了.3. be made of -由材料制成(看得出材料) be made from- 由材料制成(看不出材料) be made up of - 由组成(部分或成员) be made in- 出产于(某地) be made by制成.(产品)be made into -由制成(生产者)Ex. 1. Look at the camera, Where is it _? Japan. 2. The table is _wood, whil

6、e paper is _wood. 3. Our class is _twenty boys and twenty three girls. 4. The metal can be _ a knife. 5. This kind of car is _ many workers in the factory.4. write words on在上写字； make a book 做成书； in those days在过去； at a time 一次,每次； by hand 手工地； as a result结果Ex. 1. He could even eat three hamburgers _,

7、 _ he became very fat. 2. This picture is produced _, so its very expensive. 3. _ there were few people knew about computers. 4. They tried to _ paper in order to _ 5. put against 将放进/刻进 hold against 将贴到 6. at the beginning of 在初/ 开始 after that 然后,之后 in a way 以方式7. compare. with. 与.相比 , 与.相媲美You can

8、t compare him with Tom, theyre different.as compared with 与比较Hes really done better as compared with last term.8. rather than 胜过,而不愿Eg. He would choose Sunday rather than Saturday. I would like to go with you rather than stay at home. prefer to do rather than do 情愿而不. 9. be replaced by 被.所替代 be read

9、 online 在网上阅读 课堂活动1预习情况交流：A 将课前准备中的情况小组交流，全班订正。B 讨论预习中遇到的困难和存在的问题 （老师点拨）_2 学习策略培养：根据课文内容，完成下列练习A Read the passage again and answer the questions.1. Why were books expensive and rare before the invention of printing?_2. When was paper first created?_3. Why did ideas spread more quickly when books bec

10、ame cheaper?_4. What can we use instead of books to get information?_5 .Were books produced by hand or by machine at first?_6. What was the paper held against?_7. What can be kept on CD-ROMs?_8. How did ideas spread in the past? How do ideas spread today?_B Read the passage again. Make notes to comp

11、lete the timeline. For example: Printing was developed greatly.2000 years age 11th century today in the futurePaper was first created. Information can be received online.Then rewrite the notes in full sentences. (用完整的句子重写)For example: About 2000 years ago, paper was first created._3巩固练习A 根据课文内容和首字母填

12、空Paper was first c_ about 2,000 years ago, and has been made of silk, c_, bamboo, and since he 19th c_, of wood. People learned to write words o_ paper to make a book. But in those days, books could only be p_ one at a time by hand. As a r_, they were expensive and rare. And because there werent man

13、y books, few people learned to read.Then printing was i_ in China. The first p_ books were made by putting ink a_ a wooden block and holding the paper against it. When printing was d_ greatly at the b_ of the 11th century, books could be produced more quickly and cheaply. As a result, more people le

14、arned to read. After that, k_ and ideas s_ quickly, in a way that can be c_ with the introduction of the Internet in the 20th century.Listen to the tape and check their answers.（听录音，订正答案）B Complete sentences Eg: You can buy computers quite cheaply nowComputers can be bought quite cheaply now1.a) All students must read this book. b) This book _by all students.2.a)Everyone can understand his ideas. b) His ideas _by everyone.3.a) We have discussed these books on the telephone. b) These books _ by us on the