Unit1 Living with technology Reading2教学设计
单元：Unit1 Living with technology
板块：Reading 2
Thoughts on design
这是Readi ng 板块的第二课时。由于Reading 板块的文章不仅为学生提供丰富的信息，同时又富含字、词、句等语言材料供学生学习，所以第二课时教学主要关注学生字词句等语言知识的学习和运用，如重要短语的理解和用法以及核心词汇的理解和用法等。
Teaching aims:
Students will learn to use some important phrases and key words.
Teaching procedures:
Step 1 Important phrases
• The evolution of video and sound devices
• shortly afterwards
• contributed to the development of TV
• was very primitive and had many drawbacks
