==================资料简介======================
冀教版小学英语一年级下Lesson21课文同步课件
================================================
压缩包内容：
lesson21\Danny.swf
lesson21\LiMing.swf
lesson21\sound\U3_L21_01_s001.mp3
lesson21\sound\U3_L21_01_s002.mp3
lesson21\sound\U3_L21_01_s003.mp3
......
