Unit 4 Then and now A Let’s learn 课件+素材+教案（18张ppt）

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Unit4_A_Let’s_learn 课件
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压缩包内容：
dining_hall_128k.mp3
grass_128k.mp3
gym_128k.mp3
last_month_128k.mp3
last_year_128k.mp3
Songs_in_unit2：Last_weekend动画.swf
Unit4_A_Let’s_learn 教案.doc
Unit4_A_Let’s_learn 课件.ppt