Books could be produced more quickly and cheaply教案
module 4 great inventions
unit 2 books could be produced more quickly and cheaply.
课型：读写课
一、read the words before class.
二、学习目标：
1. new words：produce,invention,create,cotton,wood,,ink,knowledge,spread,introduction..
2.phrases: look through, at a time, by hand, at the beginning of, rather than, one day.
3.sentences: 1)information can be kept on cd-roms.
2)books could only be produced one at a time by hand.
3)can books be replaced by computers?
4.grammar: 被动语态的构成和用法
三、学习重点、难点：
grammar: 被动语态在文章中的应用。
【课前准备】
1、课前朗读新单词，注意其音标和汉意，将不会读的圈出来。
2、预习课文，找出下列短语
去…的路_________________ 浏览_______________
由…制成 __________________ 一次 ________________
用手工 __________________ 在…的开始_________________
而不是_____________________学着干某事_________________
以便，为了 __________________ 被…代替___________________
3、问题准备：把预习中的疑难问题记录下来。 ________________________________________________________________
________________________________________________________________
【课堂活动】
step1、新课导入：
1、检查词汇预习，采用小组互查的形式，出现问题让学生及时改正。
2、复习听说课的内容，让学生描述一些发明物是如何改变我们的生活的。先小组，后全班交流
3、由谈论一些发明物的优点，导入新课。what advantages of both books and computers?
make a list of their advantages.
step2、泛读训练：
1、学生独自阅读短文，了解大意，回答问题
can books be replaced by computers ?
2、再读课文，独立完成匹配练习.(activity 2)
a the world before books b the invention of printing c life on paper and in print
d technology and books e can books be replaced by computers?
学生两人一组核对答案，然后老师提问小组成员，全班核对答案。
step3、精读足练
1、语言点导学
学生自读课文，找出疑难问题，先小组后全班解决。
1)every evening my mother looks through magazines at home.每天傍晚，我妈妈在家翻阅杂志。 look through是一个动词短语，表示“浏览，粗略地翻阅”。如：i haven’t looked through the book yet.我还没有翻完这本书。would you quickly look through the composition for me and see if there are any mistakes?你能不能帮我快速看一下这篇作文，看看有没有错误？
2）but in those days, books could only be produced one at a time by hand..但在那个年代，依靠手工，一次只能制作一本书。