复习目标:1.Words and useful expressions in this unit .
2. Make small talk .
重难点: Tag questions .
一. 课前预习:
Read through this unit and finish these exercises :
Task 1. Words and phrases in this unit :
1在中午 ___________2 向某人告别 _____________________3 浏览 _____________
4 乘电梯 ______________5 (意外地)出现_____________6 相处 ______________
7 至少_____________8至多 ______________9过马路 _____________________