This is the second period of this unit.First we will do some revision to test how much Ss have grasped during the first period£¬and it is the time to check the homework on Page 20.To make Ss know exactly how to use these words properly£¬the teacher will explain some useful phrases and structures to the Ss.To improve Ss’ ability of using the language£¬the teacher supplements more explanation and exercises and gives them some related homework as consolidation.