Unit 2 How often do you exercise?
【教学目标】
1. 掌握本单元基本词汇和常用短语： how often , hardly , twice , once , although .
2. 学习如何运用频率副词来谈论人们的活动。
【教学重点和难点】
重点：掌握What do …? 和How often…?的句型。
掌握表示时间频度的词汇。
难点：辨析：always usually often sometimes hardly never
辨析：all most some no
