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　_______________