Unit One Lesson1 Choosing a Flat.
（第1课时）
一、教学目标:
1. Review the Comparatives and Superlatives of adjectives and adverbs；
2. Talk about flats；
3. Learn the new modal verb；
二、教学重点与难点:
Understand and use "should” according to different context correctly.
三、敎前准备: Textbook, student's book, a recorder and a computer；
